U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PubAg

Main content area

You searched for: Subject Cyanobacteria Remove constraint Subject: Cyanobacteria Subject Bacillariophyceae Remove constraint Subject: Bacillariophyceae Text Availability Citation in PubAg Remove constraint Text Availability: Citation in PubAg
Start Over

Search

324  Search Results

« Previous | 1 - 100 of 324 |
Number of results to display per page

Search Results

1. 6700 years of diatom changes related to land use and climatic fluctuations in the Lake Aydat catchment (Auvergne, France): Coupling with cyanobacteria akinetes, pollen and non-pollen palynomorphs data

Author:
Aude Beauger; Karen Serieyssol; Benjamin Legrand; Delphine Latour; Vincent Berthon; Marlène Lavrieux; Yannick Miras
Source:
Quaternary international 2022 v.636 pp. 167-179
ISSN:
1040-6182
Subject:
Aulacoseira; Bacillariophyceae; Cannabis sativa; Cyanobacteria; Stephanodiscus; eutrophication; hemp; humans; lakes; land use; landscapes; livestock; plankton; pollen; tourism; water quality; watersheds; France
Abstract:
... Nowadays Lake Aydat is an important site for tourism activities but blooms of cyanobacteria induced some restriction for aquatic activities by humans and their livestock. Thus, it was important to understand the lake's history as it should help in the development of restoration strategies to improve water quality in the future. Lake Aydat had a complex history affected by climatic changes and huma ...
DOI:
10.1016/j.quaint.2022.01.013

2. Aggregated filter‐feeding consumers alter nutrient limitation: consequences for ecosystem and community dynamics

Author:
Carla L. Atkinson; Caryn C. Vaughn; Kenneth J. Forshay; Joshua T. Cooper
Source:
Ecology 2013 v.94 no.6 pp. 1359-1369
ISSN:
0012-9658
Subject:
Bacillariophyceae; Cyanobacteria; algae; aquatic ecosystems; biogeochemical cycles; community structure; excretion; fauna; field experimentation; freshwater; mussels; nitrogen; nutrients; phosphorus; primary productivity; rivers; species diversity; stoichiometry; streams; Midwestern United States
Abstract:
... Nutrient cycling is a key process linking organisms in ecosystems. This is especially apparent in stream environments in which nutrients are taken up readily and cycled through the system in a downstream trajectory. Ecological stoichiometry predicts that biogeochemical cycles of different elements are interdependent because the organisms that drive these cycles require fixed ratios of nutrients. T ...
DOI:
10.1890/12-1531.1

3. Algae community response to climate change and nutrient loading recorded by sedimentary phytoplankton pigments in the Changtan Reservoir, China

Author:
Shouliang Huo; Hanxiao Zhang; Chunzi Ma; Beidou Xi; Jingtian Zhang; Zhuoshi He; Xiaochuang Li; Fengchang Wu
Source:
Journal of hydrology 2019 v.571 pp. 311-321
ISSN:
0022-1694
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; air temperature; algae; biomass; global warming; hydrology; models; phosphorus; phytoplankton; pigments; pollution load; water quality; China
Abstract:
... Climate change is likely to stimulate variations in phytoplankton composition and production in gradually eutrophicating water, with negative consequences for the water quality of many reservoirs. This study analyzed the effects of climate warming and increased nutrient loading on algae communities recorded by sedimentary pigments in the Changtan Reservoir of southeastern China from 1985 to 2015. ...
DOI:
10.1016/j.jhydrol.2019.02.005

4. Algal Response to Removal of the Invasive Cordgrass Spartina densiflora in a Salt Marsh at Humboldt Bay, California, USA

Author:
Augyte Simona; Pickart Andrea
Source:
Natural areas journal 2014 v.34 no.3 pp. 325-331
ISSN:
0885-8608
Subject:
Bacillariophyceae; Cyanobacteria; Spartina densiflora; biomass; food webs; macroalgae; salt marshes; vascular plants; California
Abstract:
... There are few published studies examining the effects of invasive vascular plants on cooccurring nonvascular species, despite the fact that photoautotrophic algae and cyanobacteria exist at the base of the marine food web. This study tested whether the removal of the invasive dense-flowered cordgrass (Spartina densiflora Brogn.) resulted in an increase in biomass of micro- and macroalgae in a salt ...
DOI:
10.3375/043.034.0307

5. Algal bloom prediction of the lower Han River, Korea using the EFDC hydrodynamic and water quality model

Author:
Jaeyoung Kim; Tongeun Lee; Dongil Seo
Source:
Ecological modelling 2017 v.366 pp. 27-36
ISSN:
0304-3800
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; algae; algal blooms; chlorophyll; data collection; hydrodynamics; hydrologic models; phytoplankton; prediction; rivers; temperature; toxicity; water quality; Korean Peninsula
Abstract:
... The lower part of the Han River, which flows through Seoul, Korea, experienced excessive toxic cyanobacterial growth in 2015. Modeling of algal bloom occurrence patterns in the lower part of this river was performed using the Environmental Fluid Dynamics Code (EFDC) to understand algal dynamics and thus better develop management alternatives. For a 71km long river section, 1175 horizontal 2-D grid ...
DOI:
10.1016/j.ecolmodel.2017.10.015

6. Algal communities in the polluted lower Jordan River, Israel

Author:
Moti Tavassi; Sophia Barinova; Hillel Glassman
Source:
Israel journal of plant sciences 2008 v.56 no.1-2 pp. 111-119
ISSN:
0792-9978
Subject:
freshwater; rivers; plankton; Euglenozoa; lakes; salinity; Chlorophyta; pollution; pH; periphyton; temperature; Cyanobacteria; aquatic ecosystems; Bacillariophyceae; Israel; Jordan River
Abstract:
... The lower Jordan River stretches from the outlet of Lake Kinneret to the Dead Sea (190 km meandering distance) and is one of the most polluted rivers in Israel. In order to estimate the aquatic ecosystem of the northern part of the lower Jordan River (between the outlet of Lake Kinneret and Hussein Bridge), we used algal communities as biological indicators to monitor pollution levels in two seaso ...
DOI:
10.1560/IJPS.56.1-2.111

7. Algal community patterns in Slovenian bogs along environmental gradients

Author:
Aleksandra Klemenčič; Nataša Smolar-Žvanut; Darja Istenič; Tjaša Griessler-Bulc
Source:
Biologia 2010 v.65 no.3 pp. 422-437
ISSN:
1336-9563
Subject:
Bacillariophyceae; Cyanobacteria; algae; bedrock; bogs; cluster analysis; correspondence analysis; dissolved oxygen; flora; pH; peatlands; shade; water temperature; Slovenia
Abstract:
... In 2005 and 2006, epiphyton samples were collected from seven lowland and montane peat bogs in Slovenia. Water temperature, pH, conductivity, dissolved oxygen and saturation were measured at the same time. Diatoms, desmids and Cyanobacteria were the most abundand groups in species number. Canonical Correspondence Analysis (CCA) was carried out on Cyanobacteria, diatom and desmid flora composition. ...
DOI:
10.2478/s11756-010-0033-7

8. Algal community response to experimental and interannual variation in hydrology in an Alaskan boreal fen

Author:
Rober Allison R.; Wyatt Kevin H.; Turetsky Merritt R.; Stevenson R. Jan
Source:
Freshwater science 2013 v.32 no.1 pp. 1-11
ISSN:
2161-9565
Subject:
Bacillariophyceae; Cyanobacteria; Oedogonium; Spirogyra; climate change; community structure; drought; ecosystems; environmental factors; microalgae; nutrients; peatlands; spring; surface water; water table
Abstract:
... Floristic studies indicate the abundance of microalgae in northern boreal peatlands, but we know relatively little about their ecology or how they will respond to changes in environmental conditions expected in this region as climate changes. We examined changes in algal community structure at sites exposed to a long-term water-table manipulation, including drought (lowered water-table treatment), ...
DOI:
10.1899/11-131.1

9. Algal community responses to shallow lake dystrophication11This article is derived from a special session entitled “A New Hydrology: Inflow Effects on Ecosystem Form and Functioning” that took place at the February 2011 ASLO Aquatic Sciences conference in San Juan, Puerto Rico.

Author:
Matthew N. Waters; Michael F. Piehler; Joseph M. Smoak; Thomas S. Bianchi
Source:
Canadian journal of fisheries and aquatic sciences 2012 v.69 no.8 pp. 1433-1443
ISSN:
1205-7533
Subject:
Bacillariophyceae; Cyanobacteria; algae; carbon; coasts; community structure; ecosystems; hydrology; lakes; lignin; nutrients; organic matter; photosynthesis; pigments; sediments; wetlands; North Carolina
Abstract:
... This research details changes in lake algal community structure that occurred during dystrophication. We conducted a paleolimnological investigation of Pungo Lake, a shallow, dystrophic system near the coast of North Carolina, USA. Multiple chemical and biological proxies were measured on a sediment core, including sedimentary photosynthetic pigments, lignin-phenols, nutrients, and δ¹³C. Data anal ...
DOI:
10.1139/f2012-021

10. Algal species diversity of arid region lakes in Kazakhstan and Israel

Author:
S. S. Barinova; T. M. Bragina; E. Nevo
Source:
Community ecology 2009 v.10 no.1 pp. 7-16
ISSN:
1585-8553
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; acidification; algae; arid zones; cluster analysis; lakes; mineralization; periphyton; plankton; salinity; semiarid zones; species diversity; Israel; Kazakhstan
Abstract:
... In two arid/semiarid regions, we studied diversity of algae in lakes and pools with salinity ranging from 0.1‰ up to 39‰ In plankton and periphyton of 34 lakes in northern Kazakhstan, we found 252 species belonging to 113 genera of 8 algal divisions. In 24 pools with experimental salinity ranges in the Negev desert of Israel, we recorded 86 species from 47 genera of 6 algal divisions. The dominant ...
DOI:
10.1556/ComEc.10.2009.1.2

11. Alleviation of high light-induced photoinhibition in cyanobacteria by artificially conferred biosilica shells

Author:
Wei Xiong; Zhou Yang; Hailei Zhai; Guangchuan Wang; Xurong Xu; Weimin Ma; Ruikang Tang
Source:
Chemical communications 2013 v.49 no.68 pp. 7525-7527
ISSN:
1364-548X
Subject:
Bacillariophyceae; Cyanobacteria; biomimetics; chemical communication; chemical reactions; light intensity; photoinhibition; silica
Abstract:
... Bioinspired by diatoms, biomimetic silicification confers an artificial shell on cyanobacteria to alleviate photoinhibition; thus, the photosynthesis of the resulting cyanobacteria@SiO₂ becomes more efficient under high light conditions. ...
DOI:
10.1039/c3cc42766h

12. Amino Acid Composition of Green Microalgae and Diatoms, Cyanobacteria, and Zooplankton (Review)

Author:
A. A. Kolmakova; V. I. Kolmakov
Source:
Inland water biology 2019 v.12 no.4 pp. 452-461
ISSN:
1995-0829
Subject:
Bacillariophyceae; Cyanobacteria; amino acid composition; amino acids; aquatic ecosystems; herbivores; microalgae; zooplankton
Abstract:
... We have reviewed foreign and domestic literature devoted to the study of the amino acid (AA) composition of aquatic organisms representing major groups of producers (green microalgae and diatoms, and cyanobacteria) and primary consumers (zooplankton). Based on published data, we estimate the composition of essential and nonessential AAs of microalgae, cyanobacteria, and zooplankton and determine t ...
DOI:
10.1134/S1995082919040060

13. Approach deliberation for source identification of sedimentary organic matters via comparing freshwater lakes with multi-ecotypes

Author:
Xiaoguang Xu; Wei Li; Hui Deng; Megumu Fujibayashi; Munehiro Nomura; Osamu Nishimura; Guoxiang Wang
Source:
Science of the total environment 2019 v.649 pp. 327-334
ISSN:
0048-9697
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; Miozoa; Nelumbo; Nymphoides; Phragmites; Trapa; bacteria; biomarkers; ecotypes; eutrophication; fatty acid composition; fatty acids; freshwater ecosystems; freshwater lakes; microalgae; organic matter; plants (botany); sediments; stable isotopes; statistical models; China; Japan
Abstract:
... Despite of the importance of understanding the sediment quality for lacustrine management, the source evaluation of sedimentary organic matter (SOM) in freshwater lakes is still insufficient. In this study, two shallow eutrophic lakes of Lake Taihu, China and Lake Izunuma, Japan were systematically investigated. Results of fatty acid profiles demonstrated that a wide range of organic matters, vary ...
DOI:
10.1016/j.scitotenv.2018.08.236

14. Are microcosm volume and sample pre-filtration relevant to evaluate phytoplankton growth?

Author:
Patrícia Nogueira; Rita B. Domingues; Ana B. Barbosa
Source:
Journal of experimental marine biology and ecology 2014 v.461 pp. 323-330
ISSN:
0022-0981
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; biomass; estuaries; filtration; food webs; growth chambers; phytoplankton; plant growth; predators
Abstract:
... “Bottle effects” are one of the most deeply rooted concerns of phytoplankton microcosm studies and are mainly related to incubation time and sample volume. Sample pre-filtration to remove larger grazers is also a common procedure in experimental phytoplankton ecology studies, particularly in nutrient enrichment experiments. However, the effects of bottle volume and sample pre-filtration on the out ...
DOI:
10.1016/j.jembe.2014.09.006

15. Artificial mixing to control cyanobacterial blooms: a review

Author:
Petra M. Visser; Bas W. Ibelings; Myriam Bormans; Jef Huisman
Source:
Aquatic ecology 2016 v.50 no.3 pp. 423-441
ISSN:
1386-2588
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; algal blooms; biomass; chlorophyll; eutrophication; lakes; mixing; models; nutrients; oxygen; phytoplankton; sediments; temperature; turbulent flow; water content
Abstract:
... Artificial mixing has been used as a measure to prevent the growth of cyanobacteria in eutrophic lakes and reservoirs for many years. In this paper, we give an overview of studies that report on the results of this remedy. Generally, artificial mixing causes an increase in the oxygen content of the water, an increase in the temperature in the deep layers but a decrease in the upper layers, while t ...
DOI:
10.1007/s10452-015-9537-0

16. Assessing aquatic ecosystem health through the analysis of plankton biodiversity

Author:
N. F. Shao; S. T. Yang; Y. Sun; Y. Gai; C. S. Zhao; F. Wang; X. Yin; B. Dong
Source:
Marine & freshwater research 2019 v.70 no.5 pp. 647-655
ISSN:
1323-1650
Subject:
Bacillariophyceae; Chlorophyta; Cladocera; Cyanobacteria; Protozoa; Rotifera; anthropogenic activities; autumn; biodiversity; cities; developing countries; ecological restoration; environmental health; food webs; freshwater; freshwater ecosystems; health effects assessments; health status; models; monitoring; phytoplankton; rivers; spring; summer; zooplankton; China
Abstract:
... Healthy plankton communities are the foundation of many freshwater food webs. Their biodiversity is often used to directly reflect the health of the rivers. Globally, river ecosystem restoration is a critical issue and many freshwater ecosystems, especially in cities, are degraded because of intensive human activities. This is true for Jinan, China’s first pilot city for the Water Ecological Civil ...
DOI:
10.1071/MF18342

17. Assessing the Effects of Phytoplankton Structure on Zooplankton Communities in Different Types of Urban Lakes

Author:
Larisa I. Florescu; Mirela M. Moldoveanu; Rodica D. Catană; Ioan Păceșilă; Alina Dumitrache; Athanasios A. Gavrilidis; Cristian I. Iojă
Source:
Diversity 2022 v.14 no.3 pp. -
ISSN:
1424-2818
Subject:
Bacillariophyceae; Chlorophyceae; Copepoda; Cyanobacteria; Rotifera; chlorophyll; eutrophication; fauna; flora; food webs; groundwater recharge; habitats; lakes; microclimate; phytoplankton; runoff; species richness; water supply; zooplankton
Abstract:
... Urban lakes play important roles in microclimate regulation such as controlling run-off and groundwater recharge, as well as being a source of water supply and a habitat for a wide variety of flora and fauna. Bucharest has a wide variety of water resources where phytoplankton represent the dominant primary producer, the defining biological factor for zooplankton development. Our hypothesis was tha ...
DOI:
10.3390/d14030231

18. Assessing the impacts of phosphorus inactive clay on phosphorus release control and phytoplankton community structure in eutrophic lakes

Author:
Yuping Su; Chaowei Zhang; Jianxi Liu; Yuan Weng; Helong Li; Dayi Zhang
Source:
Environmental pollution 2016 v.219 pp. 620-630
ISSN:
0269-7491
Subject:
Bacillariophyceae; Cyanobacteria; algal blooms; aluminum; bioavailability; clay; community structure; eutrophication; lakes; lanthanum; phosphorus; phytoplankton; sediments
Abstract:
... Addressing the challenge that phosphorus is the key factor and cause for eutrophication, we evaluated the phosphorus release control performance of a new phosphorus inactive clay (PIC) and compared with Phoslock®. Meanwhile, the impacts of PIC and Phoslock® on phytoplankton abundance and community structure in eutrophic water were also discussed. With the dosage of 40 mg/L, PIC effectively removed ...
DOI:
10.1016/j.envpol.2016.06.029

19. Assessing the relevance of top-down and bottom-up effects as phytoplankton structure drivers in a subtropical hypereutrophic shallow lake

Author:
Diego Frau; Yamila Battauz; Patricio Francisco Alvarenga; Pablo Augusto Scarabotti; Gisela Mayora; Rodrigo Sinistro
Source:
Aquatic ecology 2019 v.53 no.2 pp. 265-280
ISSN:
1386-2588
Subject:
Bacillariophyceae; Cyanobacteria; Rotifera; autumn; eggs; environmental factors; eutrophication; fish; fish communities; hatching; lakes; nutrient availability; nutrients; phytoplankton; predation; prediction; summer; temperature; winter; zooplankton
Abstract:
... Although several studies explain the trophic cascade in water systems, we lack knowledge about top-down–bottom-up effects on phytoplankton from eutrophic lakes. In this study, we tested the importance of trophic cascades on phytoplankton structure, predicting that environmental variations are the main drivers. We performed a monthly sampling during a year to measure environmental variables, phytop ...
DOI:
10.1007/s10452-019-09687-3

20. Assessing uncertainty of hydrological and ecological parameters originating from the application of an ensemble of ten global-regional climate model projections in a coastal ecosystem of the lagoon of Venice, Italy

Author:
M. Pesce; A. Critto; S. Torresan; E. Giubilato; L. Pizzol; A. Marcomini
Source:
Ecological engineering 2019 v.133 pp. 121-136
ISSN:
0925-8574
Subject:
Bacillariophyceae; Cyanobacteria; General Circulation Models; chlorophyll; climate change; climatic factors; coastal ecosystems; coastal water; coasts; ecological models; hydrologic models; inorganic phosphorus; nitrogen; pollution load; summer; uncertainty; watersheds; winter; Italy
Abstract:
... With increasing evidences of climate change affecting coastal waters, there is a strong need to understand future climate conditions and assess the potential responses of delicate coastal ecosystems. Results of climate change studies based on only one GCM-RCM combination should be interpreted with caution as results are highly dependent on the assumptions of the selected combination. In this study ...
DOI:
10.1016/j.ecoleng.2019.04.011

21. Bi-weekly Changes in Phytoplankton Abundance in 25 Tributaries of Lake St. Francis, Canada: Evaluating the Occurrence of Nuisance and Harmful Algae

Author:
MacKenzie E. Waller; Andrew J. Bramburger; Brian F. Cumming
Source:
Journal of Great Lakes research 2016 v.42 no.5 pp. 1049-1059
ISSN:
0380-1330
Subject:
Bacillariophyceae; Cyanobacteria; algae; eutrophication; lakes; lotic systems; models; phosphorus; phytoplankton; regression analysis; streams; water temperature; watersheds; Canada; Great Lakes; Saint Lawrence River
Abstract:
... Eutrophication and undesirable algae growth remain listed as beneficial use impairments in 14 Great Lakes areas of concern, including the Cornwall/St. Lawrence region. However, there is currently a lack of information regarding the distribution and frequency of undesirable algae occurrences, particularly in lotic systems influencing this region. Here, we examine phytoplankton assemblages in 25 tri ...
DOI:
10.1016/j.jglr.2016.07.003

22. Biodiversidad de algas planctónicas marinas (Cyanobacteria, Prasinophyceae, Euglenophyta, Chrysophyceae, Dictyochophyceae, Eustigmatophyceae, Parmophyceae, Raphidophyceae, Bacillariophyta, Cryptophyta, Haptophyta, Dinoflagellata) en México

Author:
David U. Hernández-Becerril
Source:
Revista mexicana de biodiversidad 2014 v.85 pp. 44-53
ISSN:
1870-3453
Subject:
Bacillariophyceae; Chrysophyceae; Cryptista; Cyanobacteria; Dictyochophyceae; Euglenozoa; Eustigmatophyceae; Haptophyta; Miozoa; Raphidophyceae; biodiversity; marinas; microalgae; new species; phytoplankton; protists; protocols; Gulf of Mexico; Mexico
Abstract:
... This paper attempts to provide an updated revision of the biodiversity of the microalgae and protists of the marine phytoplankton in Mexican waters. A higher effort has been given to studies from the Mexican Pacific, considering the available literature, whereas the southern Gulf of Mexico counts with few recent investigations on phytoplanktonic taxonomic groups. Diatoms and dinoflagellates are, w ...
DOI:
10.7550/rmb.32037

23. Biodiversity patterns of plankton assemblages at the extremes of the Red Sea

Author:
J. K. Pearman; S. Kürten; Y. V. B. Sarma; B. H. Jones; S. Carvalho
Source:
FEMS microbiology ecology 2016 v.92 no.3 pp. fiw002
ISSN:
1574-6941
Subject:
Bacillariophyceae; Cyanobacteria; Dinophyceae; Mamiellophyceae; alpha-Proteobacteria; basins; biodiversity; chlorophyll; community structure; correspondence analysis; eukaryotic cells; genes; nutrients; plankton; prokaryotic cells; ribosomal RNA; Gulf of Aden; Red Sea
Abstract:
... The diversity of microbial plankton has received limited attention in the main basin of the Red Sea. This study investigates changes in the community composition and structure of prokaryotes and eukaryotes at the extremes of the Red Sea along cross-shelf gradients and between the surface and deep chlorophyll maximum. Using molecular methods to target both the 16S and 18S rRNA genes, it was observe ...
DOI:
10.1093/femsec/fiw002

24. Biofilm biodiversity in French and Swiss show caves using the metabarcoding approach: First data

Author:
Stéphane Pfendler; Battle Karimi; Pierre-Alain Maron; Lisa Ciadamidaro; Benoît Valot; Faisl Bousta; Laurence Alaoui-Sosse; Badr Alaoui-Sosse; Lotfi Aleya
Source:
Science of the total environment 2018 v.615 pp. 1207-1217
ISSN:
0048-9697
Subject:
Ascomycota; Bacillariophyceae; Basidiomycota; Chlorophyceae; Cyanobacteria; DNA barcoding; Eustigmatophyceae; Trebouxiophyceae; Zygomycota; aesthetics; bacteria; biodiversity; biofilm; caves; chemical degradation; community structure; fungi; limestone; microalgae; microbial communities; microscopy; mosses and liverworts; photosynthesis
Abstract:
... In recent decades, show caves have begun to suffer from microorganism proliferation due to artificial lighting installations for touristic activity. In addition to the aesthetic problem, light encourages microorganisms that are responsible for physical and chemical degradation of limestone walls, speleothems and prehistoric paintings of cultural value. Microorganisms have previously been described ...
DOI:
10.1016/j.scitotenv.2017.10.054

25. Bioindication of the Influence of Oil Production on Sphagnum Bogs in the Khanty-Mansiysk Autonomous Okrug–Yugra, Russia

Author:
Olga Skorobogatova; Elvira Yumagulova; Tatiana Storchak; Sophia Barinova
Source:
Diversity 2019 v.11 no.11 pp. -
ISSN:
1424-2818
Subject:
Bacillariophyceae; Charophyta; Cyanobacteria; Euglenozoa; Sphagnum; algae; bogs; decision making; ecosystems; monitoring; oil fields; oils; pH; pollution; salinity; species richness; Russia
Abstract:
... Algal diversity in the bogs of the Ershov oil field of the Khanty-Mansiysk Autonomous Okrug–Yugra (KMAO-Yugra) with the gradient of oil pollution between 255 and 16,893 mg kg−1 has been studied with the help of bioindication methods and ecological mapping. Altogether 91 species, varieties, and forms of algae and cyanobacteria from seven divisions have been revealed for the first time f ...
DOI:
10.3390/d11110207

26. Biological sources of sedimentary organic matter in Neoproterozoic–Lower Cambrian shales in the Sichuan Basin (SW China): Evidence from biomarkers and microfossils

Author:
Ning Wang; Meijun Li; Haitao Hong; Daofu Song; Xingwang Tian; Peng Liu; Ronghui Fang; Guo Chen; Maolin Wang
Source:
Palaeogeography, palaeoclimatology, palaeoecology 2019 v.516 pp. 342-353
ISSN:
0031-0182
Subject:
Bacillariophyceae; Cambrian period; Cyanobacteria; Ediacaran period; Miozoa; Pelagophyceae; Rhizobiales; algae; ancestry; basins; biomarkers; carbon; methane; methanotrophs; microfossils; organic matter; shale; stable isotopes; China
Abstract:
... Study of the occurrence and formation of sedimentary organic matter in the Sichuan Basin, southern China, provides valuable insights into the biological sources and compositions of Neoproterozoic to Lower Cambrian shales. Rock samples from two sets of shales in the Sichuan Basin and adjacent areas, including the Ediacaran Doushantuo shale and the Lower Cambrian Qiongzhusi shale in the Gaoshiti-Mox ...
DOI:
10.1016/j.palaeo.2018.12.012

27. Breeding and life cycle of the ornamental freshwater shrimp Neocaridina davidi in a biofilm‐based culture system

Author:
Verónica Elizabeth Viau; Jonatan Gabriel Pérez; Ana Laura Tomas; Pablo Andrés Fracas; Florencia Belén Veira; Itzick Vatnick; Laura Susana López Greco
Source:
Aquaculture research 2020 v.51 no.9 pp. 3847-3864
ISSN:
1355-557X
Subject:
Bacillariophyceae; Ciliophora; Cyanobacteria; adults; aquariums; biofilm; biomass; breeding; diet; economic valuation; egg incubation; energy; environmental factors; fecundity; females; growth performance; industry; juveniles; life history; microalgae; pigmentation; prices; rearing; shrimp
Abstract:
... Neocaridina davidi is a popular shrimp in the aquarium industry; however, information regarding its husbandry is scarce. In this study, we investigated the contribution of biofilm to its life cycle, comprising three successive phases: (1) the evaluation of biofilm growth on plastic nets (PN), plastic sheets (PS) and agrovelo (AV); (2) the reproduction of adult shrimp to get juveniles (JI); and (3) ...
DOI:
10.1111/are.14733

28. Carbonaceous and nitrogenous disinfection by-product formation from algal organic matter

Author:
Emma H. Goslan; Céline Seigle; Diane Purcell; Rita Henderson; Simon A. Parsons; Bruce Jefferson; Simon J. Judd
Source:
Chemosphere 2017 v.170 pp. 1-9
ISSN:
0045-6535
Subject:
Bacillariophyceae; Cyanobacteria; absorbance; algae; algal blooms; byproducts; carbohydrate content; chlorination; disinfection; drinking water; haloacetic acids; hydrophilicity; organic matter; water treatment
Abstract:
... Seasonal algal blooms in drinking water sources release intracellular and extracellular algal organic matter (AOM) in significant concentrations into the water. This organic matter provides precursors for disinfection by-products (DBPs) formed when the water is subsequently chlorinated at the final disinfection stage of the potable water treatment process. This paper presents results of AOM charac ...
DOI:
10.1016/j.chemosphere.2016.11.148

29. Changes in Phytoplankton and Water Quality during Sustainable Restoration of an Urban Lake Used for Recreation and Water Supply

Author:
Anna Kozak; Ryszard Gołdyn; Renata Dondajewska; Katarzyna Kowalczewska-Madura; Tomasz Holona
Source:
Water 2017 v.9 no.9 pp. -
ISSN:
2073-4441
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; aeration; algae; autumn; chlorophyll; cyanobacterial toxins; eutrophication; groundwater; iron; lakes; orthophosphates; phytoplankton; recreation; rivers; spring; summer; taxonomy; urban areas; water quality; water supply; Poland
Abstract:
... Groundwater intake near Lake Głębokie, situated in the city of Szczecin in Northwestern Poland, resulted in a distinct decrease in the lake water level. Water intake from a river and a neighboring urban area led to eutrophication and a strong cyanobacterial water bloom. Both the water intake and recreation were threatened due to the possible influence of cyanobacterial toxins. The lake was subject ...
DOI:
10.3390/w9090713

30. Changes in Relative Thylakoid Protein Abundance Induced by Fluctuating Light in the Diatom Thalassiosira pseudonana

Author:
Grouneva Irina; Muth-Pawlak Dorota; Battchikova Natalia; Aro Eva-Mari
Source:
Journal of Proteome Research 2016 v.15 no.5 pp. 1649-1658
ISSN:
1535-3907
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; Thalassiosira pseudonana; autotrophs; embryophytes; light harvesting complex; light intensity; mixing; photosynthesis; proteome; thylakoids
Abstract:
... One of the hallmarks of marine diatom biology is their ability to cope with rapid changes in light availability due to mixing of the water column and the lens effect. We investigated how irradiance fluctuations influence the relative abundance of key photosynthetic proteins in the centric diatom Thalassiosira pseudonana by means of mass-spectrometry-based approaches for relative protein quantitati ...
DOI:
10.1021/acs.jproteome.6b00124

31. Changes in carbon and nitrogen cycling in a floodplain lake over recent decades linked to littoral expansion, declining riverine influx, and eutrophication

Author:
Xu Chen; Suzanne McGowan; Linghan Zeng; Lei Xu; Xiangdong Yang
Source:
Hydrological processes 2017 v.31 no.17 pp. 3110-3121
ISSN:
0885-6087
Subject:
Bacillariophyceae; Cyanobacteria; carbon; carbon nitrogen ratio; eutrophication; floodplains; lakes; littoral zone; nitrates; nitrogen; nitrogen content; nitrogen cycle; organic matter; phytoplankton; sediments; shorelines; soil; stable isotopes; wastewater; China
Abstract:
... This study aimed to understand changes in the biogeochemical processing of organic matter (OM) in response to multiple stressors (e.g., littoral area expansion, wastewater input, and hydrological regulation) in East Dongting Lake (Central China) over the past 60 years, using analyses of total organic carbon (TOC), total nitrogen (TN), C/N ratios, δ¹³C, δ¹⁵N, and diatoms from 2 sediment cores colle ...
DOI:
10.1002/hyp.11254

32. Changes in phytoplankton biomass due to diversion of an inflow into the Urayama Reservoir

Author:
Hiroshi Yajima; Jungkyu Choi
Source:
Ecological engineering 2013 v.58 pp. 180-191
ISSN:
0925-8574
Subject:
Bacillariophyceae; Cyanobacteria; aquatic ecosystems; biomass; chlorophyll; dissolved oxygen; estuaries; heat; hydrodynamics; hydrology; lakes; models; nutrients; phytoplankton; pollution load; turbidity; water quality; water temperature
Abstract:
... The three-dimensional hydrodynamic Estuary, Lake and Coastal Ocean Model (ELCOM) coupled with the ecological Computational Aquatic Ecosystem DYnamics Model (CAEDYM) was applied to Urayama Reservoir in order to examine the effect of an inflow bypass on the water quality in the reservoir. The bypass system functions by intaking water from upstream of the reservoir and transferring it to the reservoi ...
DOI:
10.1016/j.ecoleng.2013.06.030

33. Changes in phytoplankton communities along nutrient gradients in Lake Taihu: evidence for nutrient reduction strategies

Author:
Ying Ai; Yonghong Bi; Zhengyu Hu
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 447-457
ISSN:
0254-4059
Subject:
Bacillariophyceae; Cyanobacteria; algal blooms; biomass; community structure; eutrophication; lakes; nitrogen; nitrogen content; nutrients; phosphorus; phytoplankton; China
Abstract:
... An annual investigation on phytoplankton communities was conducted to reveal the effects of nutrients on phytoplankton assemblages in Lake Taihu, East China. A total of 78 phytoplankton taxa were identified. Phytoplankton biomass was higher in the northern part of the lake than in the southern part. Cyanobacteria and Bacillariophyta alternated dominance in the northern area, where algal blooms oft ...
DOI:
10.1007/s00343-015-4079-9

34. Characterisation of a major phytoplankton bloom in the River Thames (UK) using flow cytometry and high performance liquid chromatography

Author:
H.L. Moorhouse; D.S. Read; S. McGowan; M. Wagner; C. Roberts; L.K. Armstrong; D.J.E. Nicholls; H.D. Wickham; M.G. Hutchins; M.J. Bowes
Source:
Science of the total environment 2018 v.624 pp. 366-376
ISSN:
0048-9697
Subject:
Bacillariophyceae; Cyanobacteria; Miozoa; algal blooms; biomass; chlorophyll; cost effectiveness; flow cytometry; high performance liquid chromatography; light microscopy; phytoplankton; pigments; rivers; screening; spectroscopy; storms; summer; United Kingdom
Abstract:
... Recent river studies have observed rapid phytoplankton dynamics, driven by diurnal cycling and short-term responses to storm events, highlighting the need to adopt new high-frequency characterisation methods to understand these complex ecological systems. This study utilised two such analytical methods; pigment analysis by high performance liquid chromatography (HPLC) and cell counting by flow cyt ...
DOI:
10.1016/j.scitotenv.2017.12.128

35. Characteristics of phytoplankton communities and their biomass variation in a gas hydrate drilling area in the northern South China Sea

Author:
Yu Wang; Jian-hua Kang; Qian-yong Liang; Xue-bao He; Jian-jun Wang; Mao Lin
Source:
Marine pollution bulletin 2018 v.133 pp. 606-615
ISSN:
0025-326X
Subject:
Bacillariophyceae; Cyanobacteria; Miozoa; biomass; bubbles; chlorophyll; community structure; correlation; dominant species; drilling; environmental factors; euphotic zone; gas hydrate; methane; oils; pH; phosphates; photosynthesis; phytoplankton; temperature; turbulent flow; water pollution; Gulf of Mexico; South China Sea
Abstract:
... We analyzed the data obtained from field observations on a gas hydrate drilling area in Dongsha of northern South China Sea (SCS) in middle May (before drilling) and early October (after drilling) in 2013. The variation in the phytoplankton communities and biomass as well as the impacts of environmental factors including dissolved methane was studied. Results indicated that the gas hydrate drillin ...
DOI:
10.1016/j.marpolbul.2018.06.018

36. Characteristics of spatial distribution for microbial ecology inside and outside source water reservoir

Author:
Jun Guo; Yuanyuan Zheng; Jinhao Teng; Xumin Wang; Jiaxiu Song
Source:
Journal of cleaner production 2021 v.311 pp. 127697
ISSN:
0959-6526
Subject:
Actinobacteria; Bacillariophyceae; Bacteroidia; Chlorophyta; Chytridiomycota; Cryptomonadaceae; Cyanobacteria; Sclerotiniaceae; Verrucomicrobia; denitrification; environmental impact; eutrophication; internal transcribed spacers; microbial communities; odors; oxidation; ribosomal RNA; risk; water flow; water reservoirs
Abstract:
... Although the steady-state transition caused by ecological changes is well known, the microorganisms involved are rarely understood. Gradual microbial community changes induced by the storage and operation of reservoirs were investigated in this study. Microbial 16S rRNA (16S ribosomal RNA) and ITS (Internal Transcribed Spacer) genes were analyzed by high-throughput sequencing to explore the microb ...
DOI:
10.1016/j.jclepro.2021.127697

37. Characterization of phytoplankton variability in the Cariaco Basin using spectral absorption, taxonomic and pigment data

Author:
L. Lorenzoni; G. Toro-Farmer; R. Varela; L. Guzman; J. Rojas; E. Montes; F. Muller-Karger
Source:
Remote sensing of environment 2015 v.167 pp. 259-268
ISSN:
0034-4257
Subject:
Bacillariophyceae; Cyanobacteria; absorption; basins; biomass; carbon; climate change; coasts; community structure; continental shelf; data collection; ecosystems; models; optical properties; phytoplankton; pigments; prediction; remote sensing; seasonal variation; time series analysis; uncertainty; water quality; wet season; Caribbean Sea; Venezuela
Abstract:
... The spectral absorption coefficient of marine phytoplankton provides information on phytoplankton community structure, biomass, and general physiological conditions. These variables are necessary for understanding and predicting ocean productivity, carbon fluxes, underwater light propagation, water quality, and for assessing marine photochemical processes. The Cariaco Basin, located on the contine ...
DOI:
10.1016/j.rse.2015.05.002

38. Chesapeake Bay’s “forgotten” Anacostia River: eutrophication and nutrient reduction measures

Author:
Caroline M. Solomon; Melanie Jackson; Patricia M. Glibert
Source:
Environmental monitoring and assessment 2019 v.191 no.5 pp. 265
ISSN:
0167-6369
Subject:
Bacillariophyceae; Cyanobacteria; ammonium; chlorophyll; eutrophication; hypoxia; nitrates; nutrients; phytoplankton; rivers; sewage treatment; spring; summer; temperature; water quality; zeaxanthin; Chesapeake Bay; District of Columbia
Abstract:
... The Anacostia River, a Chesapeake Bay tributary running through Washington, D.C., is small but highly polluted with nutrients and contaminants. There is currently a multi-billion dollar tunnel project underway, being built in several phases, aimed at diverting effluent to sewage treatment, especially during high flow periods, and improving water quality of the Anacostia and the river into which it ...
DOI:
10.1007/s10661-019-7437-9

39. Chlorophyll a, nutrients and phytoplanktonic community in a continental ecosystem highly influenced by marine waters

Author:
Remedios Martínez-Guijarro; Inmaculada Romero; María Pachés; Carmen M. Martí; Jose Ferrer
Source:
Journal of experimental marine biology and ecology 2013 v.442 pp. 30-38
ISSN:
0022-0981
Subject:
freshwater; chlorophyll; nutrient content; phytoplankton; rivers; salinity; nutrients; Cryptophyceae; environmental factors; Cyanobacteria; nitrates; rain; ecosystems; Dinophyceae; Coccolithophyceae; coastal water; Chlorophyceae; nitrites; estuaries; Bacillariophyceae
Abstract:
... The Júcar River, characterized by a very irregular freshwater flow, discharges into the Spanish Mediterranean coastal waters. However, the flow at its mouth is usually insignificant due to the overexploitation of upstream waters, except during intense rain periods. The presence or absence of freshwater generates two different scenarios/conditions in this ecosystem.The vertical gradient of salinity ...
DOI:
10.1016/j.jembe.2013.01.026

40. Climate Change Will Make Recovery from Eutrophication More Difficult in Shallow Danish Lake Søbygaard

Author:
Jonas Rolighed; Erik Jeppesen; Martin Søndergaard; Rikke Bjerring; Jan H. Janse; Wolf M. Mooij; Dennis Trolle
Source:
Water 2016 v.8 no.10 pp. -
ISSN:
2073-4441
Subject:
Bacillariophyceae; Cyanobacteria; biomass; chlorophyll; climate; climate change; ecological models; ecosystems; eutrophication; lakes; nitrogen; phosphorus; phytoplankton; pollution load; primary productivity; sediments; summer; temperature; Denmark
Abstract:
... Complex lake ecosystem models can assist lake managers in developing management plans counteracting the eutrophication symptoms that are expected to be a result of climate change. We applied the ecological model PCLake based on 22 years of data from shallow, eutrophic Lake Søbygaard, Denmark and simulated multiple combinations of increasing temperatures (0–6 °C), reduced external nutrient loads (0 ...
DOI:
10.3390/w8100459

41. Combined effects of elevated carbon dioxide and temperature on phytoplankton-zooplankton link: A multi-influence of climate change on freshwater planktonic communities

Author:
Wei Li; Xiaoguang Xu; Jingmei Yao; Nobuyuki Tanaka; Osamu Nishimura; Hua Ma
Source:
Science of the total environment 2019 v.658 pp. 1175-1185
ISSN:
0048-9697
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; Daphnia magna; algae; algae culture; biomass; carbon; carbon dioxide; carbon dioxide enrichment; climate change; fatty acid composition; freshwater; freshwater ecosystems; phosphorus; phytoplankton; polyunsaturated fatty acids; temperature; zooplankton
Abstract:
... It is essential to understand the combined effects of elevated CO₂ and temperature on phytoplankton-zooplankton link when attempting to predict climate change responses of freshwater ecosystems. Phytoplankton species differ in stoichiometric and fatty acids composition, and this may result in phytoplankton-mediated effect on zooplankton at elevated CO₂ and temperature. Beyond the isolated analysis ...
DOI:
10.1016/j.scitotenv.2018.12.180

42. Community structure and physiological characterization of microbial mats in Byers Peninsula, Livingston Island (South Shetland Islands, Antarctica)

Author:
Fernández-Valiente, Eduardo; Camacho, Antonio; Rochera, Carlos; Rico, Eugenio; Vincent, Warwick F.; Quesada, Antonio
Source:
FEMS microbiology ecology 2007 v.59 no.2 pp. 377-385
ISSN:
0168-6496
Subject:
Bacillariophyceae; Cyanobacteria; carbon; community structure; lutein; nitrates; nitrogen; nitrogen fixation; photosynthesis; soil; stable isotopes; streams; Antarctic region; Antarctica
Abstract:
... The community structure and physiological characteristics of three microbial mat communities in Byers Peninsula (Livingston Island, South Shetland Islands, Antarctica) were compared. One of the mats was located at the edge of a stream and was dominated by diatoms (with a thin basal layer of oscillatorian cyanobacteria), whereas the other two mats, located over moist soil and the bottom of a pond, ...
DOI:
10.1111/j.1574-6941.2006.00221.x
PubMed:
17069622

43. Community-level changes in periphytic biofilm caused by copper contamination

Author:
Mariana L. Sousa; Fungyi Chow; Marcelo L. M. Pompêo
Source:
Journal of applied phycology 2019 v.31 no.4 pp. 2401-2410
ISSN:
0921-8971
Subject:
Bacillariophyceae; Cyanobacteria; algicides; aquatic ecosystems; bioaccumulation; biofilm; chlorophyll; community structure; copper; food chain; mucilages; periphyton; photosynthesis; pollutants; primary productivity; sediments; temperature; toxicity
Abstract:
... Periphyton has been recognized as an important element in aquatic food chains due to its role in primary production. More recently, it has been used as bioindicator of contamination in reservoirs since biofilm analysis can support in understanding the impacts of bottom-up contaminants to the reservoirs. Copper (Cu) is one of these pollutants which has been used as an algicide; it accumulates in th ...
DOI:
10.1007/s10811-019-1734-0

44. Comparative analyses of physiological assays and chlorophyll a variable fluorescence parameters: investigating the importance of phosphorus availability in oligotrophic and eutrophic freshwater systems

Author:
Kim J. Rattan
Source:
Aquatic ecology 2017 v.51 no.3 pp. 359-375
ISSN:
1386-2588
Subject:
Bacillariophyceae; Cyanobacteria; chlorophyll; electron transfer; eutrophication; fluorescence; freshwater; lakes; light intensity; nitrogen; phosphorus; phytoplankton; summer; Lake Erie; Lake Huron; Lake Ontario
Abstract:
... Diverse measurements of nutrient status indicators were used to test the severity of physiological phosphorus (P) limitation of phytoplankton among lake systems ranging from oligotrophic to eutrophic, based on P and chlorophyll a (Chl a) concentrations. Metabolic assays and particulate nutrient ratios were used to estimate nutrient status at sites located in Lake Erie, Lake Ontario and Lake Huron. ...
DOI:
10.1007/s10452-017-9622-7

45. Comparative assessment of various lipid extraction protocols and optimization of transesterification process for microalgal biodiesel production

Author:
Shovon Mandal; Reeza Patnaik; Amit Kumar Singh; Nirupama Mallick
Source:
Environmental technology 2013 v.34 no.13-14 pp. 2009-2018
ISSN:
1479-487X
Subject:
diesel fuel; feedstocks; Bacillariophyceae; ambient temperature; pretreatment; economic development; microwave treatment; osmotic stress; Chlorophyta; response surface methodology; oils; biodiesel; biomass; environmental technology; autoclaving; homogenization; freeze drying; methanol; catalysts; osmotic treatment; transesterification; fatty acid methyl esters; solvents; microalgae; Cyanobacteria
Abstract:
... Biodiesel, using microalgae as feedstocks, is being explored as the most potent form of alternative diesel fuel for sustainable economic development. A comparative assessment of various protocols for microalgal lipid extraction was carried out using five green algae, six blue-green algae and two diatom species treated with different single and binary solvents both at room temperature and using a s ...
DOI:
10.1080/09593330.2013.827730

46. Comparing new and conventional methods to estimate benthic algal biomass and composition in freshwaters

Author:
Maria Kahlert; Brendan G. McKie
Source:
Environmental science 2014 v.16 no.11 pp. 2627-2634
ISSN:
2050-7895
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; Rhodophyta; algae; biomass; chlorophyll; community structure; fluorescence; nitrogen fixation; pigments; streams; total phosphorus; Sweden
Abstract:
... We compared conventional microscope-based methods for quantifying biomass and community composition of stream benthic algae with output obtained for these parameters from a new instrument (the BenthoTorch), which measures fluorescence of algal pigments in situ. Benthic algae were studied in 24 subarctic oligotrophic (1.7–26.9, median 7.2 μg total phosphorus L⁻¹) streams in Northern Sweden. Reading ...
DOI:
10.1039/c4em00326h

47. Comparison between jet and paddlewheel mixing for the cultivation of microalgae in anaerobic digestate of piggery effluent (ADPE)

Author:
Eladl Eltanahy; Sarik Salim; Ashiwin Vadiveloo; Jennifer J. Verduin; Bruno Pais; Navid R. Moheimani
Source:
Algal research 2018 v.35 pp. 274-282
ISSN:
2211-9264
Subject:
Bacillariophyceae; Chlorella; Cyanobacteria; algae culture; ammonium; biomass production; effluents; kinetic energy; microalgae; mixing; nutrients; ponds; shear stress; swine; turbulent flow; wastewater
Abstract:
... There is great need to improve turbulent mixing of microalgae cultures grown in turbid wastewater to ensure efficient use of light and nutrients for higher biomass productivity and nutrient removal rates. In this outdoor study, we compared the turbulent mixing and nutrient removal efficiency of conventional paddlewheel driven raceway ponds (PWP) with customized jet-nozzle raceway pond (JNP) on mic ...
DOI:
10.1016/j.algal.2018.08.025

48. Competition for nutrients and light: testing advances in resource competition with a natural phytoplankton community

Author:
Amanda Burson; Maayke Stomp; Emma Greenwell; Julia Grosse; Jef Huisman
Source:
Ecology 2018 v.99 no.5 pp. 1108-1118
ISSN:
0012-9658
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; community structure; ecological differentiation; models; nitrogen; nutrient content; nutrients; phosphorus; photosynthesis; phytoplankton; pigments; plant communities; pollution load; prediction; species diversity; North Sea
Abstract:
... A key challenge in ecology is to understand how nutrients and light affect the biodiversity and community structure of phytoplankton and plant communities. According to resource competition models, ratios of limiting nutrients are major determinants of species composition. At high nutrient levels, however, species interactions may shift to competition for light, which might make nutrient ratios le ...
DOI:
10.1002/ecy.2187

49. Complex responses of phototrophic communities to climate warming during the Holocene of northeastern Ontario, Canada

Author:
Brett G Elmslie; Cale AC Gushulak; Maxime P Boreux; Scott F Lamoureux; Peter R Leavitt; Brian F Cumming
Source:
Holocene 2020 v.30 no.2 pp. 272-288
ISSN:
1477-0911
Subject:
Bacillariophyceae; Cyanobacteria; Holocene epoch; Pinus; algae; climate; global warming; lakes; mixing; nutrient content; pigments; plankton; pollen; species diversity; temperature; Ontario
Abstract:
... Historical changes in Holocene climate in northeastern Ontario were quantified using analyses of sedimentary pollen, diatoms, and pigments in a small boreal lake. Modern analog reconstructions of average temperature from Holocene pollen assemblages of Charland Lake showed temperature was ~2°C warmer than present conditions ~7800–4500 cal. yr BP, a time period consistent with the Holocene thermal m ...
DOI:
10.1177/0959683619883014

50. Composition and Diversity of Intertidal Microphytobenthos and Phytoplankton in Chesapeake Bay

Author:
Matthew R. Semcheski; Todd A. Egerton; Harold G. Marshall
Source:
Wetlands 2016 v.36 no.3 pp. 483-496
ISSN:
0277-5212
Subject:
Bacillariophyceae; Cyanobacteria; aquatic food webs; benthic organisms; biomass; habitats; littoral zone; microalgae; phylogeny; phytoplankton; salinity; seasonal variation; sediments; surveys; Chesapeake Bay
Abstract:
... Microphytobenthic communities have long been recognized as significant components of aquatic systems and often treated as singular functional elements of benthic habitats. Recent evidence suggests that these communities are phylogenetically diverse, with varying physiological characteristics. Considering their capabilities of nutrient regulation, sediment stabilization, and position in aquatic foo ...
DOI:
10.1007/s13157-016-0756-5

51. Composition and settling properties of suspended particulate matter in estuaries of the Chesapeake Bay and Baltic Sea regions

Author:
Paul A. Bukaveckas; Marija Katarzyte; Anne Schlegel; Renalda Spuriene; Todd Egerton; Diana Vaiciute
Source:
Journal of soils and sediments 2019 v.19 no.5 pp. 2580-2593
ISSN:
1439-0108
Subject:
Bacillariophyceae; Cyanobacteria; chlorophyll; community structure; estuaries; hydrology; organic matter; particulates; phytoplankton; rivers; summer; surface area; watersheds; Baltic Sea; Chesapeake Bay; Lithuania; United States
Abstract:
... PURPOSE: Our goal was to understand how differences in source material (allochthonous vs. autochthonous) and phytoplankton communities (diatoms vs. cyanobacteria) influence composition and settling properties of suspended particulate matter. MATERIALS AND METHODS: We characterized the composition and settling properties of suspended particulate matter in two systems—one which has a high hydrologic ...
DOI:
10.1007/s11368-018-02224-z

52. Contrasted effects of natural complex mixtures of PAHs and metals on oxygen cycle in a microbial mat

Author:
Olivier Pringault; Johanne Aube; Olivier Bouchez; Christophe Klopp; Jérome Mariette; Frédéric Escudie; Pavel Senin; Marisol Goni-Urriza
Source:
Chemosphere 2015 v.135 pp. 189-201
ISSN:
0045-6535
Subject:
Bacillariophyceae; Cyanobacteria; autotrophs; autumn; bacteria; basins; biofilm; chemical composition; heterotrophs; metals; microbial activity; oils; oxygen; oxygen production; pollutants; polycyclic aromatic hydrocarbons; spring; water pollution
Abstract:
... The contamination of polluted environments is often due to a complex mixture of pollutants sometimes at trace levels which nevertheless may have significant effects on the diversity and functioning of organisms. The aim of this study was to assess the functional responses of a microbial mat exposed to a natural complex mixture of PAHs and metals as a function of the maturation stage of the biofilm ...
DOI:
10.1016/j.chemosphere.2015.04.037

53. Contrasting responses of intertidal microphytobenthos and phytoplankton biomass and taxonomic composition to the nutrient loads in the Jiulong River Estuary

Author:
Yuyuan Xie; Lei Wang; Xin Liu; Xin Li; Yuanyong Wang; Bangqin Huang
Source:
Phycological research 2019 v.67 no.2 pp. 152-163
ISSN:
1322-0829
Subject:
Bacillariophyceae; Cyanobacteria; biodiversity; biomass; carbon; carbon cycle; chlorophyll; computer software; ecological function; ecosystems; environmental factors; estuaries; eutrophication; high performance liquid chromatography; littoral zone; nutrients; phosphates; phytoplankton; pollution load; rivers; salinity; seasonal variation; summer; surveys; taxonomy; temperature; trophic relationships; winter
Abstract:
... Microphytobenthos (MPB) and phytoplankton are important primary producers in the estuarial ecosystem, and their functions are critical to the ecosystem's biodiversity and environmental safety. The aim of this study was to compare the response of MPB and phytoplankton to the nutrient loads in a eutrophic estuary, which has seldom been studied. We used high‐performance liquid chromatography (HPLC) a ...
DOI:
10.1111/pre.12363

54. Contrasting roles of water chemistry, lake morphology, land-use, climate and spatial processes in driving phytoplankton richness in the Danish landscape

Author:
Korhan Özkan; Erik Jeppesen; Martin Søndergaard; Torben L. Lauridsen; Lone Liboriussen; Jens-Christian Svenning
Source:
Hydrobiologia 2013 v.710 no.1 pp. 173-187
ISSN:
0018-8158
Subject:
Bacillariophyceae; Cyanobacteria; Dinophyceae; Euglenophyceae; biocenosis; climate; environmental factors; hydrochemistry; lakes; land use; models; nitrogen content; phosphorus; phytoplankton; ponds; watersheds
Abstract:
... Understanding of the forces driving the structure of biotic communities has long been an important focus for ecology, with implications for applied and conservation science. To elucidate the factors driving phytoplankton genus richness in the Danish landscape, we analyzed data derived from late-summer samplings in 195 Danish lakes and ponds in a spatially-explicit framework. To account for the une ...
DOI:
10.1007/s10750-011-0996-6

55. Crystalline phase-dependent eco-toxicity of titania nanoparticles to freshwater biofilms

Author:
Kun Li; Jin Qian; Peifang Wang; Chao Wang; Jingjing Liu; Xin Tian; Bianhe Lu; Mengmeng Shen
Source:
Environmental pollution 2017 v.231 pp. 1433-1441
ISSN:
0269-7491
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; algae; apoptosis; biofilm; biomass; community structure; freshwater; irradiation; nanoparticles; necrosis; oxidative stress; photocatalysis; photosynthesis; reactive oxygen species; titanium dioxide; toxicity; ultraviolet radiation
Abstract:
... The potential toxic impacts of different crystal phases of titania nanoparticles (TNPs) on freshwater biofilms, especially under ultraviolet C irradiation (UVC), are unknown. Here, adverse impacts of three phases (anatase, rutile, and P25, 50 mg L−1 respectively) with UVC irradiation (An-UV, Ru-UV, and P25-UV) on freshwater biofilms were conducted. Characterization experiments revealed that rutile ...
DOI:
10.1016/j.envpol.2017.09.004

56. Cyanobacteria and Diatoms in Biofilms of Two Karstic Streams in Germany and Changes of Their Communities Along Calcite Saturation Gradients

Author:
Nicole Brinkmann; Ladislav Hodač; Kathrin I. Mohr; Alena Hodačová; Regine Jahn; Jessica Ramm; Christine Hallmann; Gernot Arp; Thomas Friedl
Source:
Geomicrobiology journal 2015 v.32 no.3-4 pp. 255-274
ISSN:
1521-0529
Subject:
sequence analysis; carbon dioxide; species identification; calcite; ribosomal RNA; biofilm; springs (water); clones; spring; streams; monophyly; molecular cloning; calcification; Cyanobacteria; Bacillariophyceae; Germany
Abstract:
... Biofilms microscopically dominated by cyanobacteria and diatoms of two CO ₂ degassing karst-water creeks in Germany were investigated for their diversities along a gradient of calcification using SSU rRNA gene cloning and sequencing from environmental samples. The recovered totals of 731/413 cyanobacteria/diatom clones were grouped at 97/98% similarity levels into 28/29 molecular OTUs widely sprea ...
DOI:
10.1080/01490451.2014.901438

57. Cyanobacterial influence on diatom community lifeform dynamics in shallow subtropical lakes of Florida USA

Author:
Thomas J. Whitmore; Melanie A. Riedinger-Whitmore; Francesca M. Lauterman; Jason H. Curtis
Source:
Journal of paleolimnology 2018 v.60 no.2 pp. 223-246
ISSN:
0921-2728
Subject:
Aulacoseira; Bacillariophyceae; Cyanobacteria; competitive exclusion; eutrophication; global warming; lakes; limnology; macrophytes; mixing; nitrogen; nutrient availability; nutrient content; nutrients; organic matter; paleontology; pigments; plankton; sediments; silica; stable isotopes; Florida
Abstract:
... Fragilarioid diatom taxa are often deemed ubiquitous in shallow lake systems. Their presence has been described as contributing to statistical noise in paleolimnological studies of cold-temperate lakes. In shallow, warm-temperate lakes of Florida, long-term transitions from assemblages dominated by Aulacoseira spp. to fragilarioid taxa, particularly Pseudostaurosira brevistriata, Staurosira constr ...
DOI:
10.1007/s10933-018-0018-z

58. Dependence between occurrence of selected species of psammic rotifers and phytopsammon abundance

Author:
Irena Bielańska-Grajner; Tadeusz Molenda
Source:
Annales UMCS, Biologia 2009 v.63 no.2 pp. 7-11
ISSN:
2083-3563
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; Rotifera; algae; beaches; highlands; lakes; surface water; Poland
Abstract:
... Correlations between densities of dominant species of psammic (i.e. sand-loving) rotifers and densities of cyanobacteria and algae were studied on beaches of 16 natural lakes and 11 artificial water bodies. The lakes are located in the Bytów, Drawsko and Wielkopolska Lakelands (NW Poland), while the artificial water bodies, on the Silesian Upland (SW Poland). The psammon was dominated by diatoms a ...
DOI:
10.2478/v10067-008-0013-2

59. Detection of the suspected neurotoxin β-methylamino-l-alanine (BMAA) in cyanobacterial blooms from multiple water bodies in Eastern Australia

Author:
Brendan J. Main; Lee C. Bowling; Matthew P. Padula; David P. Bishop; Simon M. Mitrovic; Gilles J. Guillemin; Kenneth J. Rodgers
Source:
Harmful algae 2018 v.74 pp. 10-18
ISSN:
1568-9883
Subject:
Alzheimer disease; Bacillariophyceae; Cyanobacteria; Miozoa; Parkinson disease; amyotrophic lateral sclerosis; constitutional isomers; food security; freshwater; humans; liquid chromatography; neurotoxins; poisonous algae; public health; saline water; surface water; tandem mass spectrometry; terrestrial ecosystems; toxicity; waterways; New South Wales
Abstract:
... The emerging toxin β-methylamino-l-alanine (BMAA) has been linked to the development of a number of neurodegenerative diseases in humans including amyotrophic lateral sclerosis (ALS), Alzheimer’s disease, and Parkinson’s disease. BMAA has been found to be produced by a range of cyanobacteria, diatoms, and dinoflagellates worldwide, and is present in freshwater, saltwater, and terrestrial ecosystem ...
DOI:
10.1016/j.hal.2018.03.004

60. Determination of the spatial and temporal variability of phytoplankton community structure in Daya Bay via HPLC-CHEMTAX pigment analysis

Author:
Longhua Wang; Linjian Ou; Kaixuan Huang; Chao Chai; Zhaohui Wang; Xiaomin Wang; Tao Jiang
Source:
Journal of oceanology and limnology 2018 v.36 no.3 pp. 750-760
ISSN:
2096-5508
Subject:
Bacillariophyceae; Cyanobacteria; Miozoa; ammonium; autumn; biomass; chlorophyll; community structure; correspondence analysis; dissolved inorganic nitrogen; high performance liquid chromatography; microscopy; nitrates; nitrogen; phosphates; phosphorus; phytoplankton; salinity; spring; summer; temperature; temporal variation; winter; South China Sea
Abstract:
... The spatial and temporal variability of the phytoplankton community structure in Daya Bay, South China Sea, were identified by using HPLC-CHEMTAX analytical techniques. The highest chlorophyll a (Chl a) concentrations were observed during summer (with an average value of 0.84 μg/L) and lowest ones during winter (with an average value of 0.33 μg/L). CHEMTAX processing revealed the seasonal successi ...
DOI:
10.1007/s00343-018-7103-z

61. Determining the health of river-dominated estuaries using microalgal biomass and community composition

Author:
Gavin C. Snow
Source:
South African journal of botany 2016 v.107 pp. 21-30
ISSN:
0254-6299
Subject:
Bacillariophyceae; Cyanobacteria; Miozoa; biomass; case studies; chlorophyll; community structure; computer software; estuaries; freshwater; microalgae; nutrients; phytoplankton; river water; rivers; species diversity; water quality; watersheds
Abstract:
... Microalgae, composed of phytoplankton and benthic microalgae, are used in estuary freshwater requirement studies as they respond quickly to changes in water quality and river flow. The aim of this paper is to show how microalgae are used to determine the present ecological status of river-dominated estuaries by determining the changes in biomass and community composition from the reference state, ...
DOI:
10.1016/j.sajb.2016.02.201

62. Development and application of a multiplex PCR system for drowning diagnosis

Author:
Cheng Xiao; Quyi Xu; Huan Li; Xiaolin Zhu; Zhonghao Yu; Jian Zhao; Yue Li; Hong Liu; He Shi; Chao Liu
Source:
Electrophoresis 2021 v.42 no.11 pp. 1270-1278
ISSN:
0173-0835
Subject:
Aeromonas; Bacillariophyceae; Cyanobacteria; DNA; electrophoresis; forensic sciences; kidneys; liver; lungs; polymerase chain reaction; China
Abstract:
... In recent years, the DNA detection of drowning‐related diatoms, cyanobacteria, and aeromonas has gradually attracted interest from forensic scientists. In this study, we described the validation and application of a novel multiplex PCR system. This system integrated 12 fluorescently labelled primers designed to amplify specific genes of diatoms, cyanobacteria, and aeromonas. The specificity studie ...
DOI:
10.1002/elps.202000265

63. Diatoms and Cyanobacteria of Periphyton of Experimental Synthetic Polymer Materials in Karantinnaya Bay in the Black Sea

Author:
L. I. Ryabushko; A. V. Bondarenko; E. S. Miroshnichenko; D. N. Lishaev; A. G. Shiroyan
Source:
Inland water biology 2020 v.13 no.3 pp. 399-407
ISSN:
1995-0829
Subject:
Bacillariophyceae; Cyanobacteria; benthic organisms; biotechnology; inland waters; medicine; periphyton; pollution; polymers; species diversity; Black Sea
Abstract:
... The species composition of diatoms and cyanobacteria of the periphyton of experimental synthetic polymer materials, which are anthropogenic waste products and damage marine coastal ecosystems, are presented for the first time. A vertical collector with polymer material samples was exposed in Karantinnaya Bay (the Black Sea) at a depth of 1 to 12 m from August 4 to September 18, 2018. A total of 94 ...
DOI:
10.1134/S1995082920020285

64. Didymosphenia geminata invasion in South America: Ecosystem impacts and potential biogeochemical state change in Patagonian rivers

Author:
Brian Reid; Rodrigo Torres
Source:
Acta oecologica 2014 v.54 pp. 101-109
ISSN:
1146-609X
Subject:
Bacillariophyceae; Cyanobacteria; algae; benthic zone; biogeochemical cycles; biomass; ecosystem services; ecosystems; environmental impact; gravel; hydrodynamics; pH; phosphorus; rivers; streams; surveys; trapping; Argentina; Chile
Abstract:
... The diatom Didymosphenia geminata has emerged as a major global concern, as both an aggressive invader of rivers and streams in the southern hemisphere, and for its ability to form nuisance blooms in oligotrophic systems in its native range. South American D. geminata blooms were first documented in Chilean Patagonia in May 2010, and have spread to over five regions and three provinces, in Chile a ...
DOI:
10.1016/j.actao.2013.05.003

65. Diet of the Keyhole Limpet Megathura crenulata (Mollusca: Gastropoda) in Subtropical Rocky Reefs

Author:
Mazariegos-Villarreal Alejandra; Piñón-Gimate Alejandra; Aguilar-Mora Fátima; Medina Marco; Serviere-Zaragoza Elisa
Source:
Journal of shellfish research 2013 v.32 no.2 pp. 297-303
ISSN:
0730-8000
Subject:
Cryptopleura; Cystoseira; Callophyllis; food groups; algae; Nienburgia; Bivalvia; Bacillariophyceae; Pterosiphonia; Bryozoa; coasts; Nematoda; stomach; omnivores; Urochordata; seagrasses; Megathura crenulata; Hydrozoa; diet; Crustacea; limpets; reefs; Cyanobacteria; Mexico
Abstract:
... The diet of the keyhole limpet Megathura crenulata was determined from stomach contents of 119 specimens collected from 3 rocky reefs on the west coast of the Baja California Peninsula, Mexico, in July and November 2006 and March 2007. Limpet stomachs contained 78 taxa, including filamentous cyanobacteria, diatoms, brown and red algae, marine seagrass, foraminifera, hydrozoans, bryozoans, nematode ...
DOI:
10.2983/035.032.0208

66. Different ecological mechanisms lead to similar grazer controls on the functioning of periphyton Antarctic and sub-Antarctic communities

Author:
Nelson Valdivia; Luis M. Pardo; Erasmo C. Macaya; Pirjo Huovinen; Iván Gómez
Source:
Progress in oceanography 2019 v.174 pp. 7-16
ISSN:
0079-6611
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; Fissurellidae; Miozoa; Phaeophyceae; biocenosis; chlorophyll; ecosystems; grazing; habitats; herbivores; littoral zone; models; periphyton; primary productivity; Antarctic region; Antarctica; Argentina
Abstract:
... The processes underpinning the differences between Antarctic and sub-Antarctic ecological communities are still unclear. Dispersal, drift, speciation, and abiotic environmental filtering have been considered to explain these differences; biotic interactions, however, have received less attention. Antarctic intertidal assemblages of macrobenthic grazers are characterised by numerically abundant pop ...
DOI:
10.1016/j.pocean.2018.01.008

67. Distribution of epipelic algae and related environmental nutrients in Taihu Lake, revealed by HPLC analysis

Author:
Yuzhi Song; Yan Xue; Yongxia Gao; Yan Jin
Source:
Marine & freshwater research 2019 v.70 no.6 pp. 849-856
ISSN:
1323-1650
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; algae; biomass; chlorophyll; environmental factors; epiphytes; eutrophication; freshwater lakes; high performance liquid chromatography; nutrients; sediments; total nitrogen; total phosphorus; zeaxanthin; China
Abstract:
... Epipelic algal biomass and composition (determined by HPLC pigment analysis) and related environmental nutrients were investigated in a phytoplankton-dominated area (Meiliang Bay), a macrophyte-dominated area (East Taihu Lake) and a transition zones (Gonghu Bay) in a shallow eutrophic freshwater lake (Taihu Lake, eastern China). Surface sediment samples were collected at 11 sampling sites in April ...
DOI:
10.1071/MF17318

68. Diversity of algal species present in waste stabilisation ponds and different factors affecting its enrichment and phototaxis

Author:
Swati Dahiya; Aparajita Shilpie; Gowtham Balasundaram; Raja Chowdhury; Pradeep Kumar; Arun Kumar Mishra
Source:
Chemistry and ecology 2021 v.37 no.6 pp. 515-529
ISSN:
1029-0370
Subject:
Actinastrum; Bacillariophyceae; Chlamydomonas reinhardtii; Chlorella sorokiniana; Chlorococcum; Cyanobacteria; Euglena; Scenedesmus; Selenastrum; Tetradesmus; Volvox; acetates; algae; chemistry; culture media; dominant species; green light; metagenomics; municipal wastewater; phototaxis; red light; species diversity; wastewater treatment; white light; winter; India
Abstract:
... Several algal species were found in the samples collected from a wastewater treatment plant located in Uttarakhand, India. Several media and their modifications were employed to understand the role of these elements and compounds in the species composition and proliferation. Euglena, Chlamydomonas-reinhardtii, Chlorella-sorokiniana, Chlorococcum, several diatoms and cyanobacteria were found in the ...
DOI:
10.1080/02757540.2021.1910242

69. Diversity of an aerial phototrophic coating of historic buildings in the former Auschwitz II-Birkenau concentration camp

Author:
Paulina Nowicka-Krawczyk; Joanna Żelazna-Wieczorek; Anna Otlewska; Anna Koziróg; Katarzyna Rajkowska; Małgorzata Piotrowska; Beata Gutarowska; Agnieszka Żydzik-Białek
Source:
Science of the total environment 2014 v.493 pp. 116-123
ISSN:
0048-9697
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; algae; autotrophs; biodegradation; biofilm; bricks; buildings; climate change; climatic factors; coatings; concrete; historic sites; plaster; relative humidity; soil; summer; temperature; winter; wood
Abstract:
... Aerial phototrophs colonize materials of anthropogenic origin, thus contributing to their biodeterioration. Structures preserved at the former Auschwitz II-Birkenau concentration and extermination camp show signs of degradation by cyanobacteria and algae. In order to protect the Auschwitz-Birkenau Memorial Site, diversity of aerial phototrophs growing on the historic buildings has been studied. An ...
DOI:
10.1016/j.scitotenv.2014.05.113

70. Do human activities affect phytoplankton biomass and composition in embayments on Lake Diefenbaker?

Author:
Oghenemise Abirhire; Rebecca L. North; Kristine Hunter; David Vandergucht; Jeff Hudson
Source:
Journal of Freshwater Ecology 2016 v.31 no.4 pp. 597-608
ISSN:
2156-6941
Subject:
Bacillariophyceae; Cryptophyceae; Cyanobacteria; algae; anthropogenic activities; biomass; cattle; humans; lakes; marinas; microsatellite repeats; phytoplankton; rivers; water quality; Saskatchewan
Abstract:
... Lake Diefenbaker (LD) is an important source of water for southern Saskatchewan. LD is characterized by numerous embayments containing anthropogenic activities (e.g., housing, marinas, cattle watering). Many of these activities are increasing on this important reservoir in association with the rapidly developing economy of Saskatchewan. These activities may reduce water quality directly or indirec ...
DOI:
10.1080/02705060.2016.1205526

71. Does pigment composition reflect phytoplankton community structure in differing temperature and light conditions in a deep alpine lake? An approach using HPLC and delayed fluorescence techniques

Author:
Greisberger, Sonja; Teubner, Katrin
Source:
Journal of phycology 2007 v.43 no.6 pp. 1108-1119
ISSN:
0022-3646
Subject:
microscopy; phytoplankton; community structure; lakes; fluorescence; Cryptophyceae; high performance liquid chromatography; regression analysis; wavelengths; temperature; Cyanobacteria; Bacillariophyceae; pigments; Austria
Abstract:
... In vivo delayed fluorescence (DF) and HPLC/CHEMTAX pigment analyses were used to investigate seasonal and depth distributions of phytoplankton in a deep alpine mesotrophic lake, Mondsee (Austria). Using chl a equivalents, we determined significant relationships with both approaches. Community structure derived from pigment ratios of homogenous samples was compared with microscopic estimations usin ...
DOI:
10.1111/j.1529-8817.2007.00404.x

72. Does turbidity induced by Carassius carassius limit phytoplankton growth? A mesocosm study

Author:
Hu He; En Hu; Jinlei Yu; Xuguang Luo; Kuanyi Li; Erik Jeppesen; Zhengwen Liu
Source:
Environmental science and pollution research international 2017 v.24 no.5 pp. 5012-5018
ISSN:
0944-1344
Subject:
Bacillariophyceae; Carassius carassius; Cyanobacteria; algae; aquaculture; biomass; chlorophyll; community structure; eutrophication; fauna; fish; lakes; nutrient content; phytoplankton; sediments; turbidity; China
Abstract:
... It is well established that benthivorous fish in shallow lakes can create turbid conditions that influence phytoplankton growth both positively, as a result of elevated nutrient concentration in the water column, and negatively, due to increased attenuation of light. The net effect depends upon the degree of turbidity induced by the benthivores. Stocked Carassius carassius dominate the benthivorou ...
DOI:
10.1007/s11356-016-8247-z

73. Dynamic CO2 and pH levels in coastal, estuarine, and inland waters: Theoretical and observed effects on harmful algal blooms

Author:
John A. Raven; Christopher J. Gobler; Per Juel Hansen
Source:
Harmful algae 2020 v.91 pp. 101594
ISSN:
1568-9883
Subject:
Bacillariophyceae; Coccolithophyceae; Cyanobacteria; Dinophyceae; Pelagophyceae; Raphidophyceae; Ulvophyceae; algal blooms; bicarbonates; carbon cycle; carbonates; climate change; coasts; dissolved carbon dioxide; ecosystems; estuaries; inland waters; inorganic carbon; ocean acidification; pH; phenotype; physiology; poisonous algae; uncertainty
Abstract:
... Rising concentrations of atmospheric CO₂ results in higher equilibrium concentrations of dissolved CO₂ in natural waters, with corresponding increases in hydrogen ion and bicarbonate concentrations and decreases in hydroxyl ion and carbonate concentrations. Superimposed on these climate change effects is the dynamic nature of carbon cycling in coastal zones, which can lead to seasonal and diel cha ...
DOI:
10.1016/j.hal.2019.03.012

74. Dynamics of Species and Size Structures of Phytoplankton at Different Levels of Bottom-Up and Top-Down Effects in Experimental Conditions

Author:
E. G. Sakharova; I. Yu. Feniova; Z. I. Gorelysheva; M. Rzepecki; I. Kostshevska-Shlakovska; A. V. Krylov; N. S. Zilitinkevicz
Source:
Contemporary problems of ecology 2019 v.12 no.3 pp. 245-253
ISSN:
1995-4255
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; Miozoa; algae; eutrophication; fish; phytoplankton; zooplankton
Abstract:
... An experimental study of the impacts of trophic conditions and the activity of zooplankton and fish on the phytoplankton structure has shown that, at the beginning of the experiment, the species and size structures of algae were dependent on the N : P ratio. This parameter causes the differences in phytoplankton structures between mesotrophic and eutrophic conditions so that, in mesotrophic condit ...
DOI:
10.1134/S1995425519030119

75. Dynamics of phytoplankton communities in eutrophying tropical shrimp ponds affected by vibriosis

Author:
Hugues Lemonnier; François Lantoine; Claude Courties; Delphine Guillebault; Elizabeth Nézan; Nicolas Chomérat; Karine Escoubeyrou; Christian Galinié; Bernard Blockmans; Thierry Laugier
Source:
Marine pollution bulletin 2016 v.110 no.1 pp. 449-459
ISSN:
0025-326X
Subject:
Bacillariophyceae; Cryptophyceae; Cyanobacteria; Dinophyceae; Phaeocystis; Vibrio; algae; aquaculture systems; biomass; farms; flow cytometry; microscopy; mortality; phylogeny; phytoplankton; ponds; shrimp; shrimp culture; vibriosis; water pollution; New Caledonia
Abstract:
... Tropical shrimp aquaculture systems in New Caledonia regularly face major crises resulting from outbreaks of Vibrio infections. Ponds are highly dynamic and challenging environments and display a wide range of trophic conditions. In farms affected by vibriosis, phytoplankton biomass and composition are highly variable. These conditions may promote the development of harmful algae increasing shrimp ...
DOI:
10.1016/j.marpolbul.2016.06.015

76. Ecological processes-driven distribution of net-algal diversity and carbon sequestration potential across the sewage effluent gradient of stabilization pond system

Author:
Dipanwita Sarkar (Paria); Susmita Lahiri (Ganguly); Debarati Ghosh; B.B. Jana
Source:
International journal of ecohydrology & hydrobiology 2019 v.19 no.3 pp. 464-472
ISSN:
1642-3593
Subject:
Bacillariophyceae; Chrysophyceae; Cyanobacteria; Euglenophyceae; biomass; carbon sequestration; clearcutting; fish culture; global carbon budget; municipal wastewater; net primary productivity; phytoplankton; ponds; seasonal variation; sediments; sewage effluent; waste lagoons; wetlands
Abstract:
... Spatial and seasonal variability of diversity, abundance and carbon sequestration potential of net-phytoplankton were examined across the sewage effluent of six wetlands in waste stabilization ponds used for the treatment of municipal wastewater cum fish culture. The values of the Shannon-Weiner diversity index for Myxophycaeae, Euglenophyceae, and Chrysophyceae were higher in the facultative pond ...
DOI:
10.1016/j.ecohyd.2018.10.003

77. The Effect of Light on Bacterial Activity in a Seaweed Holobiont

Author:
Sergio A. Coelho-Souza; Stuart R Jenkins; Antonio Casarin; Maria Helena Baeta-Neves; Leonardo T. Salgado; Jean R.D. Guimaraes; Ricardo Coutinho
Source:
Microbial ecology 2017 v.74 no.4 pp. 868-876
ISSN:
0095-3628
Subject:
Bacillariophyceae; Cyanobacteria; Sargassum; bacteria; biofilm; chloramphenicol; extinction; macroalgae; microbial activity; penicillins; photosynthesis; primary productivity; solar radiation; streptomycin; trophic relationships
Abstract:
... Holobionts are characterized by the relationship between host and their associated organisms such as the biofilm associated with macroalgae. Considering that light is essential to macroalgae survival, the aim of this study was to verify the effect of light on the heterotrophic activity in biofilms of the brown macroalgae Sargassum furcatum during its growth cycle. Measurements of heterotrophic act ...
DOI:
10.1007/s00248-017-0995-x

78. Effects of Water Level Increase on Phytoplankton Assemblages in a Drinking Water Reservoir

Author:
Yangdong Pan; Shijun Guo; Yuying Li; Wei Yin; Pengcheng Qi; Jianwei Shi; Lanqun Hu; Bing Li; Shengge Bi; Jingya Zhu
Source:
Water 2018 v.10 no.3 pp. -
ISSN:
2073-4441
Subject:
Bacillariophyceae; Cyanobacteria; biomass; drinking water; ecological function; environmental factors; hydrodynamics; lakes; physicochemical properties; phytoplankton; seasonal variation; total nitrogen; variance; water reservoirs; Asia
Abstract:
... Excessive water level fluctuation may affect physico-chemical characteristics, and consequently ecosystem function, in lakes and reservoirs. In this study, we assessed the changes of phytoplankton assemblages in response to water level increase in Danjiangkou Reservoir, one of the largest drinking water reservoirs in Asia. The water level increased from a low of 137 m to 161 m in 2014 as a part of ...
DOI:
10.3390/w10030256

79. Effects of artificial thermocline deepening on sedimentation rates and microbial processes in the sediment

Author:
Andrea Fuchs; Julia Klier; Federica Pinto; Géza B. Selmeczy; Beáta Szabó; Judit Padisák; Klaus Jürgens; Peter Casper
Source:
Hydrobiologia 2017 v.799 no.1 pp. 65-81
ISSN:
0018-8158
Subject:
Bacillariophyceae; Cyanobacteria; ammonium; barium; carbon dioxide; ecosystems; freshwater lakes; global warming; greenhouse gas emissions; greenhouse gases; manganese; methane; models; nitrous oxide; nutrients; oxygen; phosphates; phytoplankton; sediments; silicon; strontium; surface water; temperature profiles
Abstract:
... Global warming affects the thermal stratification of freshwater lakes, and thus can lead to thermocline deepening. To follow the direct and indirect effects of thermocline shifts on processes at the sediment–water interface, the thermoclines in six of twelve lake enclosures were deepened by pumping warm surface water below the thermocline. Hypolimnetic temperatures increased and oxygen concentrati ...
DOI:
10.1007/s10750-017-3202-7

80. Effects of different culture periods of commercial invasive red alga Kappaphycus alvarezii (Doty) Doty on plankton community structures in tropical marine environment, Southeast coast of India

Author:
R. Rajaram; S. Rameshkumar
Source:
Regional studies in marine science 2019 v.32 pp. 100906
ISSN:
2352-4855
Subject:
Bacillariophyceae; Copepoda; Cyanobacteria; Kappaphycus alvarezii; Miozoa; analysis of variance; biochemical oxygen demand; chlorophyll; coasts; community structure; crop yield; farming systems; gross primary productivity; invasive species; marine environment; monsoon season; net primary productivity; nitrates; pH; phytoplankton; population density; salinity; species diversity; India
Abstract:
... The commercial invasive red alga Kappaphycus alvarezii was cultivated by floating raft technique for the assessment of crop yields, growth rates and their impacts on the plankton community related to hydrobiological parameters in the Munakadu coast, Southeastern India for the period of one year from February 2016 to January 2017. The ANOVA results showed that the crop yield and daily growth rate o ...
DOI:
10.1016/j.rsma.2019.100906

81. Effects of fish-farm biodeposition on periphyton assemblages on artificial substrates in the southern Tyrrhenian Sea (Gulf of Castellammare, Sicily)

Author:
Mannino, Anna Maria; Sara, Gianluca
Source:
Aquatic ecology 2008 v.42 no.4 pp. 575-581
ISSN:
1386-2588
Subject:
fish culture; fish farms; aquatic plant culture; community structure; Phaeophyceae; community facilities; Cyanobacteria; periphyton; Chlorophyceae; cages; Rhodophyta; Bacillariophyceae; Tyrrhenian Sea; Sicily
Abstract:
... An algal assemblage growing on artificial substrata of fish-farm cages was investigated. Specifically, algal response to the effects of fish-farm facilities was studied, in order to identify a possible future descriptor of biodeposition impact. Some sites were positioned upstream of the farms (at least 750 m; 'controls') and other sites were positioned downstream of the farms ('impacts'). All site ...
DOI:
10.1007/s10452-007-9131-1

82. Effects of hexavalent chromium on phytoplankton and bacterioplankton of the Río de la Plata estuary: an ex-situ assay

Author:
María Belén Sathicq; Nora Gómez
Source:
Environmental monitoring and assessment 2018 v.190 no.4 pp. 229
ISSN:
0167-6369
Subject:
Bacillariophyceae; Cyanobacteria; bacteria; bacterioplankton; chlorophyll; chromium; ecosystems; estuaries; freshwater; oxygen production; phytoplankton; trophic levels
Abstract:
... We examined the responses of the phytoplankton and the bacterioplankton of the freshwater zone of the Río de la Plata estuary when exposed to an addition of hexavalent chromium (Cr⁺⁶). The planktonic community from a coastal site was exposed to a chromium increase of 80 μg L⁻¹ for 72 h in laboratory conditions. The results showed a decrease in the concentration of Cr⁺⁶ by 33% in the treatments, al ...
DOI:
10.1007/s10661-018-6619-1

83. Effects of increasing nutrient disturbances on phytoplankton community structure and biodiversity in two tropical seas

Author:
Yuping Zhou; Bo Hu; Weihong Zhao; Dongyang Cui; Liju Tan; Jiangtao Wang
Source:
Marine pollution bulletin 2018 v.135 pp. 239-248
ISSN:
0025-326X
Subject:
Bacillariophyceae; Cyanobacteria; atmospheric deposition; biodiversity; biomass; chlorophyll; community structure; dissolved inorganic nitrogen; iron; marine ecosystems; meteorological data; nitrates; phosphates; phytoplankton; statistical analysis; water pollution; Indian Ocean; South China Sea
Abstract:
... Statistical analysis of rainfall data from 2005 to 2015 showed that atmospheric deposition supplied large amount of dissolved inorganic nitrogen (38–155 mg·m−2·month−1) in N-deficient South China Sea and Eastern Indian Ocean. To understand marine ecosystem responses to increasing nutrient disturbances, we implemented field mesocosm experiments to study phytoplankton community structure and biodive ...
DOI:
10.1016/j.marpolbul.2018.07.033

84. Effects of inorganic nutrients on the phytoplankton community in the sea surface microlayer of Daya Bay, South China Sea

Author:
Xin Guo; Zhao-Hui Wang; Jian-Gang Zhao; Lin Xiao; Tao Jiang
Source:
Journal of sea research 2020 v.156 pp. 101830
ISSN:
1385-1101
Subject:
Bacillariophyceae; Cyanobacteria; algae; biogeochemistry; chlorophyll; eutrophication; laboratory experimentation; nitrogen; nutrient content; nutrients; phosphorus; photosynthesis; phytoplankton; radiation resistance; silicates; zeaxanthin; China; South China Sea
Abstract:
... The sea surface microlayer (SML), which is the uppermost layer of the water column between the ocean and atmosphere, has unique physicochemical and biological properties and plays a significant role in biogeochemical processes. Water samples were collected from the SML of Daya Bay in Southern China between June and August of 2013. Algal growth potential (AGP) tests were conducted following the add ...
DOI:
10.1016/j.seares.2019.101830

85. Effects of shear stress on microalgae – A review

Author:
Chinchin Wang; Christopher Q. Lan
Source:
Biotechnology advances 2018 v.36 no.4 pp. 986-1002
ISSN:
0734-9750
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; Haptophyta; Miozoa; Rhodophyta; aeration; cell viability; cell walls; environmental factors; flagellum; heat transfer; microalgae; mixing; shear stress; stress tolerance; turbulent flow; viscosity
Abstract:
... Cultivation of microalgae requires consideration of shear stress, which is generated by operations such as mixing, circulation, aeration and pumping that are designed to facilitate mass and heat transfer as well as light distribution in cultures. Excessive shear stress can cause increased cell mortality, decreased growth rate and cell viability, or even cell lysis. This review examines the sources ...
DOI:
10.1016/j.biotechadv.2018.03.001

86. Effects of spring warming and mixing duration on diatom deposition in deep Tiefer See, NE Germany

Author:
Ulrike Kienel; Georgiy Kirillin; Brian Brademann; Birgit Plessen; Reinhard Lampe; Achim Brauer
Source:
Journal of paleolimnology 2017 v.57 no.1 pp. 37-49
ISSN:
0921-2728
Subject:
Bacillariophyceae; Cyanobacteria; Cyclotella; Stephanodiscus; air temperature; ice; lakes; mixing; monitoring; nutrient availability; nutrients; sediment deposition; sediment traps; sediments; silica; silicon; spring; Germany
Abstract:
... Monitoring during three meteorologically different spring seasons in 2012, 2013, and 2014 revealed that temperature increase in spring, which influences spring lake mixing duration, markedly affected nutrient availability and diatom deposition in a sediment trap close to the bottom of deep Tiefer See, NE Germany. Deposition of Stephanodiscus taxa and small Cyclotella taxa was much higher after lat ...
DOI:
10.1007/s10933-016-9925-z

87. Effects of the bloom of harmful benthic dinoflagellate Ostreopsis cf. ovata on the microphytobenthos community in the northern Adriatic Sea

Author:
Stefano Accoroni; Tiziana Romagnoli; Salvatore Pichierri; Cecilia Totti
Source:
Harmful algae 2016 v.55 pp. 179-190
ISSN:
1568-9883
Subject:
Bacillariophyceae; Cyanobacteria; Dinophyceae; biomass; macroalgae; phosphorus; salinity; shade; spring; summer; temperature; temporal variation; winter; Adriatic Sea
Abstract:
... Composition and temporal variation of the microphytobenthos communities of the Conero Riviera (northern Adriatic Sea) were investigated in the course of an annual cycle, focusing on their relationships with blooms of the benthic dinoflagellate Ostreopsis cf. ovata. Sampling was carried out from March 2009 to March 2010 on undisturbed benthic substrata (macroalgae and pebbles). Samples for the stud ...
DOI:
10.1016/j.hal.2016.03.003

88. Effects of wind wave turbulence on the phytoplankton community composition in large, shallow Lake Taihu

Author:
Jian Zhou; Boqiang Qin; Céline Casenave; Xiaoxia Han; Guijun Yang; Tingfeng Wu; Pan Wu; Jianrong Ma
Source:
Environmental science and pollution research international 2015 v.22 no.16 pp. 12737-12746
ISSN:
0944-1344
Subject:
turbulent flow; freshwater; phytoplankton; wind; community structure; lakes; mixing; water waves; Chlorophyta; bioassays; hydrodynamics; summer; eutrophication; spatial variation; Cyanobacteria; Bacillariophyceae; China
Abstract:
... Wind waves are responsible for some of the spatio-temporal gradients observed in the biotic and abiotic variables in large shallow lakes. However, their effects on the phytoplankton community composition are still largely unexplored especially in freshwater systems such as lakes. In this paper, using field observations and mesocosm bioassay experiments, we investigated the impact of turbulence gen ...
DOI:
10.1007/s11356-015-4535-2

89. Effluent from a biofloc technology (BFT) tilapia culture on the aquaponics production of different lettuce varieties

Author:
Sara Mello Pinho; Diego Molinari; Giovanni Lemos de Mello; Kevin M. Fitzsimmons; Maurício Gustavo Coelho Emerenciano
Source:
Ecological engineering 2017 v.103 pp. 146-153
ISSN:
0925-8574
Subject:
Bacillariophyceae; Cyanobacteria; Lactuca sativa; Oligochaeta; Oreochromis niloticus; Protozoa; aquaponics; biofloc technology; fish culture; head lettuce; hydroponics; nutrients; plankton; plant growth
Abstract:
... Aquaponics production is emerging as an alternative for effluent treatment and aquaculture diversification. Also, aquaponics contributes to save water and for the maximum utilization of nutrients and culture areas. The objective of this research was to evaluate the effluent derived from biofloc technology (BFT) tilapia culture on the aquaponics production of three varieties of lettuce Lactuca sati ...
DOI:
10.1016/j.ecoleng.2017.03.009

90. An Enhanced System with Macrophytes and Polyurethane Sponge as an Eco-Technology for Restoring Eutrophic Water: A Pilot Test

Author:
Yijie Wang; Xinan Yin; Yanpeng Cai; Zhifeng Yang
Source:
Water 2019 v.11 no.9 pp. -
ISSN:
2073-4441
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; ammonium nitrogen; biofilm; biological treatment; chemical oxygen demand; dominant species; ecological restoration; equipment; eutrophication; lakes; macrophytes; nitrogen; nutrients; phosphorus; phytoplankton; polyurethanes; ponds; remediation; total nitrogen; total phosphorus; trophic relationships; water quality
Abstract:
... Water eutrophication is one of the most serious environmental problems in urban lakes and ponds due to the excessive nutrients. To deal with this problem, the development of methods for supporting ecological rehabilitation has been undertaken. Meanwhile, the trophic interactions during rehabilitation also have been analyzed. In this study, a new technique was employed to solve the water eutrophica ...
DOI:
10.3390/w11091828

91. Enrichment of highly settleable microalgal consortia in mixed cultures for effluent polishing and low-cost biomass production

Author:
Yuansheng Hu; Xiaodi Hao; Mark van Loosdrecht; Huiqin Chen
Source:
Water research 2017 pp. -
ISSN:
0043-1354
Subject:
Bacillariophyceae; Cyanobacteria; biofuels; biomass production; biotechnology; carbon; carbon dioxide; chemical precipitation; community structure; fuel production; industrial applications; lipid content; microalgae; mixed culture; nitrates; pH; phosphates; phosphorus; wastewater
Abstract:
... Microalgae cultivation is a promising technology for integrated effluent polishing and biofuel production, but poor separability of microalgal cells hinders its industrial application. This study intended to selectively enrich settleable microalgal consortia in mixed culture by applying “wash-out” pressure, which was realized by controlling settling time (ST) and volume exchange ratio (VER) in pho ...
DOI:
10.1016/j.watres.2017.08.034

92. Environmental assessment of the impact of cage fish farming on water quality and phytoplankton status in Monastir Bay (eastern coast of Tunisia)

Author:
Rafika Challouf; Asma Hamza; Mabrouka Mahfoudhi; Khemissa Ghozzi; Mohamed Nejmeddine Bradai
Source:
Aquaculture international 2017 v.25 no.6 pp. 2275-2292
ISSN:
0967-6120
Subject:
Bacillariophyceae; Cyanobacteria; Euglenophyceae; Miozoa; chlorophyll; coasts; environmental assessment; environmental impact; farms; fish culture; models; nutrients; physicochemical properties; phytoplankton; pollution load; silicon; trophic relationships; water quality; Mediterranean region; Tunisia
Abstract:
... Although aquaculture development is experiencing a rapid growth on the southern Mediterranean shore, studies of its environmental impact are still limited. This study, conducted from January to December 2014, in and around a cage fish farm located in Monastir Bay (eastern coast of Tunisia), investigated the hypothesis that cage fish farming would affect the water column quality and plankton commun ...
DOI:
10.1007/s10499-017-0187-1

93. Environmental filters influencing phytoplankton taxonomic structure in cascade reservoirs

Author:
Jascieli Carla Bortolini; Pedro Rogério Leandro da Silva; Gilmar Baumgartner; Norma Catarina Bueno
Source:
Revista brasileira de botânica 2020 v.43 no.2 pp. 405-412
ISSN:
0100-8404
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; algae; biomass; depth; dynamics; ecological function; environmental factors; light; nutrient content; pH; phytoplankton; sampling; seston; temperature; variability; Brazil
Abstract:
... In this study we analyzed the dynamics of the phytoplankton community in two cascade reservoirs in six sampling periods, to investigate the influence of environmental filters on phytoplankton, and the community concordance with the environmental variability. We addressed several questions, and from phytoplankton biomass data and abiotic variables sampled at the Salto Osório and Salto Santiago rese ...
DOI:
10.1007/s40415-020-00604-9

94. Environmental variability drives phytoplankton assemblage persistence in a subtropical reservoir

Author:
FABIANA SCHNECK; ALBANO SCHWARZBOLD; SILVANA C. RODRIGUES; ADRIANO S. MELO
Source:
Austral ecology 2011 v.36 no.7 pp. 839-848
ISSN:
1442-9985
Subject:
Bacillariophyceae; Chlorophyceae; Cryptophyceae; Cyanobacteria; anthropogenic activities; dry season; ecosystems; environmental factors; indicator species; phytoplankton; prediction; subtropics; summer; temporal variation; wet season; winter
Abstract:
... Temporal changes of assemblages may result from environmental variability and reflect seasonal dynamics of their ecosystem. In the subtropics, the hydrological regime is usually characterized by well‐defined wet and dry seasons, regulating discharge and influencing a series of environmental variables that affect phytoplankton persistence. Therefore, we may expect that dry seasons are environment ...
DOI:
10.1111/j.1442-9993.2010.02224.x

95. Epilithic algae from caves of the Krakowsko-Częstochowska Upland (Southern Poland)

Author:
Joanna Czerwik-Marcinkowska; Teresa Mrozińska
Source:
Acta Societatis Botanicorum Poloniae 2009 v.78 no.4 pp. 301-309
ISSN:
0001-6977
Subject:
Bacillariophyceae; Bracteacoccus; Chrysophyceae; Cyanobacteria; Eustigmatophyceae; Trachychloron; agar; algae; caves; habitats; highlands; species identification; ultrastructure; Poland
Abstract:
... This paper describes the first study of algae assemblages in 20 caves in the Krakowsko-Częstochowska Upland (Southern Poland), in the period between 2005-2006. The investigations showed mostly on epilithic algae and their subaeric habitats (rock faces within caves and walls at cave entrances). The morphological and cytological variability of algae were studied in fresh samples, in cultures grown o ...
DOI:
10.5586/asbp.2009.040

96. Epipelic microphototrophs: an overlooked assemblage in lake ecosystems

Author:
Poulíčková Aloisie; Dvořák Petr; Mazalová Petra; Hašler Petr
Source:
Freshwater science 2014 v.33 no.2 pp. 513-523
ISSN:
2161-9565
Subject:
Bacillariophyceae; Cyanobacteria; biogeochemical cycles; biogeography; chlorophyll; ecosystems; lakes; metagenomics; new genus; primary productivity; sediments
Abstract:
... Epipelic microphototrophs perform a range of ecosystem functions including biostabilization of sediments, regulation of benthic—limnetic nutrient cycling, and primary production. This review summarizes the most recent research of lake/pond phototrophic epipelic taxa and highlights the importance of an approach to identifying these algae that combines classic and modern methods, particularly metage ...
DOI:
10.1086/676313

97. Epiphyton in Agricultural Streams: Structural Control and Comparison to Epilithon

Author:
Lishani Wijewardene; Naicheng Wu; Pau Giménez-Grau; Cecilie Holmboe; Nicola Fohrer; Annette Baattrup-Pedersen; Tenna Riis
Source:
Water 2021 v.13 no.23 pp. -
ISSN:
2073-4441
Subject:
Bacillariophyceae; Cyanobacteria; Epilithon; biofilm; biomass; gravel; habitats; macrophytes; nutrient availability; species diversity; stream channels; vegetation; water
Abstract:
... Stream biofilms play an important role in the structure, functioning, and integrity of agricultural streams. In many lowland streams, macrophyte vegetation is abundant and functions as an important substrate for biofilm (epiphyton) in addition to the gravel and stone substrate for epilithon on the stream bed. We expect that reach-scale habitat conditions in streams (e.g., nutrient availability, hy ...
DOI:
10.3390/w13233443

98. Estimation of gut contents of freshwater mussel, Lamellidens marginalis L

Author:
Mandal, Rathindra Nath; Kumar, Kuldeep; Mohanty, Utkal Laxmi; Meher, Prem Kumar
Source:
Aquaculture research 2007 v.38 no.13 pp. 1364-1369
ISSN:
1355-557X
Subject:
Bacillariophyceae; Brachionidae; Cyanobacteria; Euglenaceae; digestive system; freshwater; mussels; phytoplankton; zooplankton
Abstract:
... This study examined the food organisms found in the gut of freshwater mussels, Lamellidens marginalis L. A total of 34 taxa of food organisms were recorded, out of which 30 taxa belonged to phytoplankton and four taxa to zooplankton. Both the groups comprised three families each: Cyanophyceae (blue-green algae), Chlorophycea (green algae) and Bacillariophyceae (diatoms) constituted phytoplankton, ...
DOI:
10.1111/j.1365-2109.2007.01807.x

99. Eutrophication in three Canadian Areas of Concern: Phytoplankton and major nutrient interactions

Author:
M. Munawar; M.A.J. Fitzpatrick
Source:
Aquatic ecosystem health & management 2018 v.21 no.4 pp. 421-437
ISSN:
1539-4077
Subject:
Bacillariophyceae; Cyanobacteria; algae; biomass; coasts; ecosystems; eutrophication; nitrogen; nutrient-nutrient interactions; nutrients; phosphorus; phytoplankton; silica; water quality; Lake Ontario
Abstract:
... The Bay of Quinte, Hamilton Harbour and Toronto Harbour are all coastal regions of Lake Ontario that have experienced eutrophication and all have been designated as ‘Areas of Concern’ under the terms of the Great Lakes Water Quality Agreement. An assessment of the phytoplankton communities in relation to nutrient (P,N,Si) regimes was undertaken during 2015 (Bay of Quinte) and 2016 (Hamilton Harbou ...
DOI:
10.1080/14634988.2018.1530895

100. Eutrophication mediates a common off-flavor compound, 2-methylisoborneol, in a drinking water reservoir

Author:
Brianna K. Olsen; Michael F. Chislock; Alan E. Wilson
Source:
Water research 2016 v.92 pp. 228-234
ISSN:
0043-1354
Subject:
2-methylisoborneol; Bacillariophyceae; Cyanobacteria; aesthetics; community structure; cost effectiveness; drinking water; environmental factors; environmental health; eutrophication; freshwater; geosmin; humans; nitrogen; nutrients; odors; off flavors; phosphorus; phytoplankton; risk; toxins; water reservoirs
Abstract:
... Off-flavors, such as 2-methylisoborneol (MIB) and geosmin, cause drinking water to have earthy or musty tastes and odors. Humans can detect such compounds at minute concentrations (10 and 30 ng/L for MIB and geosmin, respectively), and, although not a health risk, off-flavors can promote consumer distrust. Removal of these compounds is costly and often unreliable or only suitable under certain con ...
DOI:
10.1016/j.watres.2016.01.058