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 India Remove constraint Subject: India Subject term biochemical oxygen demand Remove constraint Subject term: biochemical oxygen demand
Start Over

Search

209  Search Results

« Previous | 1 - 50 of 209 |
Number of results to display per page

Search Results

1. Assessment of ecohydrogeochemical status of freshwater Loktak Lake of Manipur, India

Author:
Ranu Jajo Laishram; Gyanendra Yumnam; Wazir Alam
Source:
Environmental monitoring and assessment 2022 v.194 no.9 pp. 659
ISSN:
0167-6369
Subject:
World Health Organization; biochemical oxygen demand; coliform bacteria; fluorides; freshwater; freshwater lakes; hydrogeochemistry; iron; irrigation water; oxygen; pH; permeability; sodium; sodium adsorption ratio; sodium carbonate; turbidity; water hardness; India
Abstract:
... The present study has been carried out to assess the ecohydrogeochemical status of Loktak Lake, the largest freshwater lake in the Northeastern region of India, based on the water quality parameters, hydrogeochemistry, water quality indices (WQI) and trophic state index (TSI). The spatio-temporal variations of physicochemical parameters have been assessed, and it was found that parameters such as ...
DOI:
10.1007/s10661-022-10336-w

2. Assessment of seasonal and spatial fluctuations in wastewater quality using multivariate statistical methods

Author:
Anusha Nadella; Dhrubajyoti Sen
Source:
Environmental monitoring and assessment 2022 v.194 no.4 pp. 254
ISSN:
0167-6369
Subject:
ammonia; biochemical oxygen demand; cluster analysis; coliform bacteria; monsoon season; nitrates; orthophosphates; oxygen; pH; phosphorus; principal component analysis; stormwater; summer; temperature; wastewater; water quality; winter; India
Abstract:
... This study aims at evaluating the seasonal and spatial fluctuations in the quality of wastewater passing through the stormwater flow (SWF) channel located in Kolkata, India, using multivariate statistical methods. In this study, the primary quality data were collected from eight selected sampling stations on the SWF channel during three seasons (summer, monsoon, and winter of 2019) for 10 paramete ...
DOI:
10.1007/s10661-022-09900-1

3. Bioremediation potential of newly isolated Bacillus albus strain VKDS9 for decolourization and detoxification of biomethanated distillery effluent and its metabolites characterization for environmental sustainability

Author:
Vineet Kumar; Sakshi Agrawal; Sushil Kumar Shahi; Ankit Motghare; Simranjeet Singh; Praveen C. Ramamurthy
Source:
Environmental technology & innovation 2022 v.26 pp. 102260
ISSN:
2352-1864
Subject:
Cicer arietinum; bacteria; biochemical oxygen demand; biodegradation; bioremediation; chemical oxygen demand; chemical pollutants; color; decolorization; environmental technology; glucose; high performance liquid chromatography; metabolites; pH; peptones; phytotoxicity; sludge; sustainable development; temperature; India
Abstract:
... In India, the environment friendly and sustainable management of colored effluents emanating from alcohol-producing distilleries has become a serious environmental concern. The current study aimed to examine the efficiency of ligninolytic enzyme-producing bacterial strain isolated from ameliorated distillery sludge by enrichment method for its bioremediation and detoxification potential of biometh ...
DOI:
10.1016/j.eti.2021.102260

4. Fish assemblage, ecosystem status and potential impact of Nile Tilapia in Halali Reservoir of Central India

Author:
Canciyal Johnson; Uttam Kumar Sarkar; Satish Kumar Koushlesh; Archan Kanti Das; Basanta Kumar Das; Bablu Kumar Naskar
Source:
Environment, development and sustainability 2022 v.24 no.6 pp. 7753-7775
ISSN:
1387-585X
Subject:
Oreochromis niloticus; alkalinity; biochemical oxygen demand; cluster analysis; correspondence analysis; dissolved oxygen; ecosystems; fish; fish communities; fisheries; habitats; nitrates; pH; phosphates; silicates; species diversity; surface water; sustainable fisheries; water hardness; India
Abstract:
... The pattern of spatial fish assemblage, diversity, habitat, and potential impact of Nile tilapia (Oreochromis niloticus) was studied in a tropical reservoir of central India during June 2018–July 2019. A total of 21 species under six orders nine families and 18 genera were recorded which is comparatively low than previous records. The fish abundance similarity showed a maximum similarity of 78% be ...
DOI:
10.1007/s10668-021-01756-8

5. The Influence of Physico-Chemical Parameters on Habitat Ecology and Assemblage Structure of Freshwater Phytoplankton in Tehri Reservoir Garhwal (Uttarakhand) India

Author:
D. S. Malik; Prachi Rathi
Source:
Proceedings of the National Academy of Sciences, India, Section B: biological sciences 2022 v.92 no.3 pp. 541-551
ISSN:
0369-8211
Subject:
Bacillariophyceae; Chlorophyceae; Cyanophyceae; alkalinity; biochemical oxygen demand; chlorides; correspondence analysis; electrical conductivity; freshwater; habitats; monsoon season; oxygen; pH; phosphates; phytoplankton; sulfates; turbidity; water temperature; winter; India
Abstract:
... The present study deals with the influence of physico-chemical parameters on habitat ecology and assemblage structure of freshwater phytoplankton in Tehri reservoir Garhwal (Uttarakhand) India. Habitat ecological variables play a major role in determining the diversity, abundance and occurrence of phytoplankton in reservoir. Physicochemical variables and phytoplankton genera were analysed on a sea ...
DOI:
10.1007/s40011-021-01313-3

6. Seasonal variations in the water quality and antibiotic resistance of microbial pollution indicators in the Mandovi and Zuari estuaries, Goa, India

Author:
Ashwini D. Toraskar; Cathrine S. Manohar; Charmaine L. Fernandes; Durbar Ray; Abigayle D. Gomes; Ajit Antony
Source:
Environmental monitoring and assessment 2022 v.194 no.2 pp. 71
ISSN:
0167-6369
Subject:
antibiotic resistance; biochemical oxygen demand; coasts; estuaries; monsoon season; multiple drug resistance; oxygen; pH; risk; salinity; sediments; sustainable development; temperature; transportation; water quality; India
Abstract:
... The two adjacent estuaries of the rivers Mandovi and Zuari, along the Goa coast in the central west coast of India, are a large complex aquatic system hosting diverse natural habitats. The water quality in these habitats is affected by various anthropogenic activities as they are extensively used for transportation, fisheries and various recreational activities. In the present study, changes in th ...
DOI:
10.1007/s10661-021-09679-7

7. Utility of constructed wetlands for treatment of hospital effluent and antibiotic resistant bacteria in resource limited settings: A case study in Ujjain, India

Author:
Vivek Parashar; Surya Singh; Manju R. Purohit; Ashok J. Tamhankar; Dharmpal Singh; Madhanraj Kalyanasundaram; Cecilia Stålsby Lundborg; Vishal Diwan
Source:
Water environment research 2022 v.94 no.9 pp. e10783
ISSN:
1061-4303
Subject:
Phragmites; Typha latifolia; animal and human health; antibiotic resistance; biochemical oxygen demand; case studies; chemical oxygen demand; ciprofloxacin; constructed wetlands; cost effectiveness; environment; hospitals; nitrate nitrogen; research; soil; t-test; total suspended solids; turbidity; vegetation; wastewater; wastewater treatment; water; water quality; India
Abstract:
... Increasing generation of wastewater and its indiscriminate disposal is detrimental to human and animal health. Resource‐limited settings often struggle for efficient wastewater treatment systems owing to lack of funds and operational difficulties. Therefore, alternative treatment systems involving low expenditure and simplistic operations are need of the hour. Constructed wetlands are one such alt ...
DOI:
10.1002/wer.10783

8. A laboratory-scale study of residential greywater treatment with sugarcane in a constructed wetland

Author:
Nandhagopal Boopathi; Rajeshkumar Kadarkarai
Source:
Environmental science and pollution research 2022 v.29 no.40 pp. 61178-61186
ISSN:
0944-1344
Subject:
biochemical oxygen demand; bioenergy; bricks; chemical oxygen demand; coir; constructed wetlands; greywater; phytoremediation; pith; population growth; research; soil; subsurface flow; sugarcane; total nitrogen; wastewater treatment; water shortages; India
Abstract:
... Due to India’s population expansion, water recycling is critical to reducing water scarcity. The purpose of this study is to discuss the recycling and reuse of domestic greywater. The horizontal subsurface flow constructed wetland (HSSF-CW) was employed to treat greywater, with bioenergy crops replacing decorative plants. CO 86032 and CO 15027 sugarcane varieties were employed for phytoremediation ...
DOI:
10.1007/s11356-022-20264-4

9. Assessment of potential risks of heavy metals from wastewater treatment plants of Srinagar city, Kashmir

Author:
U. Qayoom; S. U. Bhat; I. Ahmad; A. Kumar
Source:
International journal of environmental science and technology 2022 v.19 no.9 pp. 9027-9046
ISSN:
1735-1472
Subject:
aluminum; ammonia; arsenic; atomic absorption spectrometry; biochemical oxygen demand; cadmium; carcinogenicity; chromium; copper; health effects assessments; heavy metals; iron; lakes; lead; mercury; principal component analysis; public health; risk; sewage; sludge; supply chain; total phosphorus; wastewater; wastewater treatment; zinc; India
Abstract:
... Globally an enormous amount of sewage and sludge is being generated which has turned out to be a major environmental threat due to the associated risks arising from heavy metals. In this context the present study aimed to assess the concentration of heavy metals in sewage and sludge from wastewater treatment plants located around Dal Lake of Srinagar city. Aluminum, iron, zinc, lead, copper, mercu ...
DOI:
10.1007/s13762-021-03612-8

10. Assessment of water quality condition and spatiotemporal patterns in selected wetlands of Punjab, India

Author:
Yadvinder Singh; Gurdarshan Singh; Jasvirinder Singh Khattar; Sophia Barinova; Jasneet Kaur; Sumit Kumar; Davinder Pal Singh
Source:
Environmental science and pollution research 2022 v.29 no.2 pp. 2493-2509
ISSN:
0944-1344
Subject:
alkalinity; ammonium; analysis of variance; bicarbonates; biochemical oxygen demand; chemical oxygen demand; comparative study; electrical conductivity; monsoon season; oxygen; pH; phosphates; principal component analysis; research; summer; water quality; winter; India
Abstract:
... Wetlands are one of the most productive aquatic ecosystems on earth, and their water quality is an indicative of their suitability for maintaining various ecosystem services. In this study, different statistical techniques and water quality index (WQI) were employed to access the status and spatiotemporal patterns in water quality of seven selected (two natural and five manmade) wetlands of Punjab ...
DOI:
10.1007/s11356-021-15590-y

11. Bacterial diversity assessment of world’s largest sewage-fed fish farms with special reference to water quality: a Ramsar site

Author:
Inderjeet Tyagi; Kaomud Tyagi; Rakesh Bhutiani; Kailash Chandra; Vikas Kumar
Source:
Environmental science and pollution research 2021 v.28 no.31 pp. 42372-42386
ISSN:
0944-1344
Subject:
Arcobacter; Cyanobium; Pseudomonas; Sulfurospirillum; aquaculture; bacterial communities; biochemical oxygen demand; chemical oxygen demand; community structure; constructed wetlands; dissolved oxygen; fish; fisheries; irrigation; pollution control; research; sewage; water quality; water quality analysis; India
Abstract:
... Bacterial community structure is one of the essential components of aquaculture dynamics and plays an important role in maintaining wetland health. The present work is an effort to study the structure of bacterial communities in the world’s largest sewage-fed fish farms, the East Kolkata Wetlands (EKWs), along with their predicted functional metabolic pathways and correlation with environmental va ...
DOI:
10.1007/s11356-021-13756-2

12. Characterization of bacterial diversity in wastewater of Indian paper industries with special reference to water quality

Author:
I. Tyagi; K. Tyagi; K. Chandra; Vikas Kumar
Source:
International journal of environmental science and technology 2022 v.19 no.5 pp. 3669-3684
ISSN:
1735-1472
Subject:
Acinetobacter; Aerococcus; Chryseobacterium; Microbacterium; Sphingomonas; bacterial communities; biochemical oxygen demand; biosynthesis; carbohydrate metabolism; chemical oxygen demand; correspondence analysis; fatty acids; genes; paper; pollution control; wastewater; wastewater treatment; water pollution; water quality; India
Abstract:
... The bacterial diversity in terms of structure and community profile, with special reference to water quality in the wastewater treatment plant of Indian paper industries, is poorly understood. In the present work, characterization of bacterial diversity using 16S (V3-V4 region) rRNA gene amplicon sequencing data with reference to physicochemical parameters in the wastewater treatment plant of two ...
DOI:
10.1007/s13762-021-03249-7

13. Cloud-based neuro-fuzzy hydro-climatic model for water quality assessment under uncertainty and sensitivity

Author:
Ananya Jain; Srinivas Rallapalli; Dhruv Kumar
Source:
Environmental science and pollution research 2022 v.29 no.43 pp. 65259-65275
ISSN:
0944-1344
Subject:
algorithms; biochemical oxygen demand; climate; coliform bacteria; data collection; fuzzy logic; neural networks; oxygen; pH; rain; research; river flow; river water; rivers; temperature; uncertainty; water quality; watersheds; Ganges River; India
Abstract:
... River water quality is a function of various bio-physicochemical parameters which can be aggregated for calculating the Water Quality Index (WQI). However, it is challenging to model the nonlinearity and uncertain behavior of these parameters. When data is deficient and noisy, it creates missing and conflicting parameters within their complex inter-relationships. It is also essential to model how ...
DOI:
10.1007/s11356-022-20385-w

14. Comparative assessment of dominant macrophytes and limnological parameters of Dal lake and Chatlam wetlands in the Union territory of Jammu & Kashmir, India

Author:
Siraj Yousuf Parray; Bhupendra Koul; Maulin P. Shah
Source:
Environmental technology & innovation 2021 v.24 pp. 101978
ISSN:
2352-1864
Subject:
Azolla; Mentha; Nymphoides peltata; ammonium nitrogen; biochemical oxygen demand; chemical oxygen demand; environmental technology; eutrophication; lakes; macrophytes; nitrate nitrogen; orthophosphates; summer; watersheds; wetlands; winter; India
Abstract:
... The aim of the study was to analyze and compare the physico-chemical properties of water, with respect to the anthropogenic stresses on the growth and dominance of aquatic macrophytes at the four selected sites in Dal lake and Chatlam wetlands, during the year 2020. We have identified 12 species of macrophytes from the Dal lake and 20 species from the Chatlam wetlands. Highest importance value ind ...
DOI:
10.1016/j.eti.2021.101978

15. Development of fuzzy analytic hierarchy process based water quality model of Upper Ganga river basin, India

Author:
Vijay Kumar Singh; Devendra Kumar; Sudhir Kumar Singh; Quoc Bao Pham; Nguyen Thi Thuy Linh; Safwan Mohammed; Duong Tran Anh
Source:
Journal of environmental management 2021 v.284 pp. 111985
ISSN:
0301-4797
Subject:
World Health Organization; alkalinity; bicarbonates; biochemical oxygen demand; calcium; chemical oxygen demand; chlorine; electrical conductivity; environmental management; environmental sustainability; hardness; hydrochemistry; hydrologic models; magnesium; potassium; rivers; sodium; streams; surface water; urbanization; water hardness; watersheds; India
Abstract:
... The ecological sustainability of rivers is in question due to severe pollution and lack of stringent regulations. Long term (1990–2016) water quality data of five stations namely Haridwar, Bareilly, Kanpur, Prayagraj and Varanasi of Upper Ganga river, India was considered for analysis using fuzzy analytical process (FAHP) based water quality index (WQI) to assess surface water quality. The value o ...
DOI:
10.1016/j.jenvman.2021.111985

16. Establishment and impact of exotic Cyprinus carpio (Common Carp) on native fish diversity in Buxar stretch of River Ganga, India

Author:
Archisman Ray; Canciyal Johnson; Ranjan Kumar Manna; Raju Baitha; Subhadeep Das Gupta; Nitish Kumar Tiwari; Himanshu Sekhar Swain; Basanta Kumar Das
Source:
Aquatic ecosystem health & management 2021 v.24 no.2 pp. 52-63
ISSN:
1463-4988
Subject:
Cyprinus carpio; Oreochromis niloticus; administrative management; aquatic ecosystems; biochemical oxygen demand; carp; decline; digestive system; environmental health; indigenous species; invasive species; phosphates; phytoplankton; river flow; rivers; sex ratio; water quality; zooplankton; India
Abstract:
... The catch pattern of the exotic Common Carp (Cyprinus carpio) and their relationship with water quality along with maturity status of fishes were assessed during 2017-2019 to understand overall establishment and impact of the species in Buxar stretch of River Ganga in West Bihar, India. A total of 64 fish species were recorded including two exotic fishes (C. carpio and Oreochromis niloticus) from ...
DOI:
10.14321/aehm.024.02.09

17. Evaluating the performance of horizontal sub-surface flow constructed wetlands: A case study from southern India

Author:
Priyanka Jamwal; Anjali V. Raj; Lakshmi Raveendran; Shahana Shirin; Stephanie Connelly; Jagadeesh Yeluripati; Samia Richards; Lakshminarayana Rao; Rachel Helliwell; Matteo Tamburini
Source:
Ecological engineering 2021 v.162 pp. 106170
ISSN:
0925-8574
Subject:
Canna indica; biochemical oxygen demand; case studies; chemical oxygen demand; models; pollution control; rust diseases; septic systems; subsurface flow; total phosphorus; India
Abstract:
... Constructed wetlands are a nature-based engineering solution enabling polishing of septic tank effluents at low-cost. However to date, the influence of planting on treatment efficiency remains little understood. Here we report a case study evaluating the performance of two near-identical Horizontal Sub-Surface Flow Constructed Wetlands (HSSF-CW) deployed at a school in southern India. The HSSF-CWs ...
DOI:
10.1016/j.ecoleng.2021.106170

18. Evaluation of hydro-biological parameters in response to semi-diurnal tides in a tropical estuary

Author:
Sanjiba Kumar Baliarsingh; Aneesh Anandrao Lotliker; Suchismita Srichandan; Rajdeep Roy; Biraja Kumar Sahu; Alakes Samanta; T.M. Balakrishnan Nair; Tamoghna Acharyya; Chandanlal Parida; Sambit Singh; Amit Kumar Jena
Source:
International journal of ecohydrology & hydrobiology 2021 v.21 no.4 pp. 700-717
ISSN:
1642-3593
Subject:
ammonium; biochemical oxygen demand; biomass; brackish water; coasts; dissolved oxygen; estuaries; hydrobiology; nitrogen; phosphates; phytoplankton; riparian areas; rivers; salinity; silicates; water quality; Bay of Bengal; India
Abstract:
... One of the significant aspects of estuarine water quality assessment is to discern the effect of tide on the environmental parameters. The variability of different physical, chemical, and biological parameters, in response to semi-diurnal tides, over a tidal cycle was investigated at contrasting salinity regimes of Mahanadi estuary. This estuary is formed at the mouth of Mahanadi River (the third ...
DOI:
10.1016/j.ecohyd.2021.03.002

19. Evaluation of water quality and potential metal contamination in ecologically important Bhindawas bird sanctuary, India

Author:
Vandana Shan; S. K. Singh; A. K. Haritash
Source:
Applied water science 2021 v.11 no.1 pp. 8
ISSN:
2190-5487
Subject:
agricultural runoff; biochemical oxygen demand; dissolved oxygen; heavy metals; irrigation; migratory behavior; nitrates; phosphates; resorts; submerged aquatic plants; vegetation; wastewater; water quality; wetlands; India
Abstract:
... Considering the environmental, agricultural, and ecological significance of Bhindawas wetland, the present study is the first comprehensive investigation to assess the water quality, determine the suitability of water for aquatic life in the wetland; and its suitability for irrigation in areas around the wetland. Twenty samples of water from Bhindawas wetland were analyzed and spatial variations o ...
DOI:
10.1007/s13201-020-01334-9

20. First surveillance of SARS-CoV-2 and organic tracers in community wastewater during post lockdown in Chennai, South India: Methods, occurrence and concurrence

Author:
Paromita Chakraborty; Mukesh Pasupuleti; M.R. Jai Shankar; Girija K. Bharat; Sundar Krishnasamy; Sakshi Chadha Dasgupta; Shyamal Kumar Sarkar; Kevin C. Jones
Source:
Science of the total environment 2021 v.778 pp. 146252
ISSN:
0048-9697
Subject:
COVID-19 infection; Severe acute respiratory syndrome coronavirus 2; biochemical oxygen demand; caffeine; decaffeination; environment; filtration; genes; hospitals; monitoring; pandemic; sediments; sewage; sewage treatment; sludge; syringes; viral load; viruses; wastewater; watersheds; India
Abstract:
... Surveillance of SARS-CoV-2 and organic tracers (OTs) were conducted in the community wastewater of Chennai city and the suburbs, South India, during partial and post lockdown phases (August–September 2020) as a response to the coronavirus disease 2019 (COVID-19) pandemic. Wastewater samples were collected from four sewage treatment plants (STPs), five sewage pumping stations (SPSs) and at differen ...
DOI:
10.1016/j.scitotenv.2021.146252

21. Hydrogeochemical characteristics of surface and groundwater: suitability for human consumption and irrigated agriculture purposes in Suruliyar sub basin, South India

Author:
S. Chandran; P. Selvan; M. Dhanasekarapandian; V. Kumar; U. Surendran
Source:
Environmental geochemistry and health 2022 v.44 no.6 pp. 1713-1737
ISSN:
0269-4042
Subject:
basins; biochemical oxygen demand; calcium; chemical oxygen demand; drought; electrical conductivity; fecal bacteria; groundwater; humans; hydrogeochemistry; irrigated farming; irrigation; magnesium; nitrates; pH; river water; salinity; sodium; sodium adsorption ratio; soil; soil quality; sulfates; surface water; sustainable development; India
Abstract:
... The Suruliyar sub basin in Tamil Nadu, India, was monitored for the assessment of water and soil quality. Surface water, groundwater, and soil samples were collected during the pre-monsoon (June 2016) and post-monsoon (December 2016) seasons within the sub basin area and analyzed for various physical, chemical, and biological properties, namely, pH, electrical conductivity, total dissolved solids ...
DOI:
10.1007/s10653-021-01145-0

22. Impacts of stone mining and crushing on environmental health in Dwarka river basin

Author:
Swades Pal; Indrajit Mandal
Source:
Geocarto international 2021 v.36 no.4 pp. 392-420
ISSN:
1752-0762
Subject:
agricultural productivity; air; alkalinity; biochemical oxygen demand; chemical oxygen demand; dissolved oxygen; dust; environmental health; fish; forests; human health; organic carbon; particulates; river water; rivers; soil; stream channels; temperature; water quality; watersheds; India
Abstract:
... The present work intends to explore the impact of stone mine and crushing on environmental components in the Middle catchment of Dwarka river basin of Eastern India. Stone dust produced from the crusher units (∼10–11 tons/day) is not only injurious for human health but also other valuable components of the environment like air, water, soil and forest qualities. In consequences of this, temperature ...
DOI:
10.1080/10106049.2019.1597390

23. Indian coastal waters: a concoction of sewage indicator bacteria! An assessment on recreational beaches

Author:
Mehmuna Begum; C. Saravana Kumar; Subrat Naik; Umakanta Pradhan; Uma Sankar Panda; Pravakar Mishra
Source:
Environmental monitoring and assessment 2021 v.193 no.7 pp. 455
ISSN:
0167-6369
Subject:
Escherichia; biochemical oxygen demand; coastal water; dissolved inorganic nitrogen; phosphates; pollution control; prediction; rain; recreation; sewage; water quality; India
Abstract:
... Coastal water quality assessment is important to maintain a healthy environment for various uses including fisheries and recreation. Microbial populations are used as biological indicators of contamination to monitor water quality and are considered by the government to be one of the critical features for issuing safety guidelines. Different bacterial groups (pathogenic, vibrio and faecal) from fi ...
DOI:
10.1007/s10661-021-09244-2

24. Laundry greywater treatment by anaerobic filters and vertical flow constructed wetlands

Author:
Swapnil Punyapwar; Srikanth Mutnuri
Source:
Water and environment journal 2022 v.36 no.3 pp. 504-512
ISSN:
1747-6585
Subject:
Canna indica; biochemical oxygen demand; chemical oxygen demand; environment; gravel; greywater; laundry; macrophytes; nitrates; nitrites; nitrogen; organic matter; orthophosphates; pH; pollutants; pollution control; sand; wastewater treatment; water; water quality; India
Abstract:
... Laundry processes are huge water consumers and contribute to wastewaters in high volume. In the current report, treatment of greywater (GW) was studied from commercial laundry in BITS Pilani, KK Birla Goa Campus, India, which produces around 2–2.5 m³/day of GW. Source laundry GW showed physicochemical parameters like chemical oxygen demand (COD), biochemical oxygen demand (BOD₅), ammoniacal N (NH₄ ...
DOI:
10.1111/wej.12782

25. Lipolytic Nocardiopsis for reduction of pollution load in textile industry effluent and SWISS model for structural study of lipase

Author:
Gayatriben B. Patel; Parita Rakholiya; Toral Shindhal; Sunita Varjani; N.M. Tabhani; Kamleshkumar R. Shah
Source:
Bioresource technology 2021 v.341 pp. 125673
ISSN:
0960-8524
Subject:
Nocardiopsis alba; amino acid sequences; biochemical oxygen demand; chemical oxygen demand; fabrics; industrial wastewater; models; oils; socioeconomics; technology; textile mill effluents; triacylglycerol lipase; India
Abstract:
... The aim of this work was to study the reduction of pollution load in the textile industry effluent by lipase producing Nocardiopsis alba. Nocardiopsis alba was isolated from the soap-stock of an oil refinery located in North Gujarat, India. Lipase 2 (EC 3.1.1.3) protein sequence was identified from Nocardiopsis alba and the 3D model was predicted by SWISS Modeling. Lipolytic Nocardiopsis alba show ...
DOI:
10.1016/j.biortech.2021.125673

26. Multi-criteria based geospatial assessment to utilize brackishwater resources to enhance fish production

Author:
M. Jayanthi; S. Thirumurthy; M. Samynathan; P. Kumararaja; M. Muralidhar; K.K. Vijayan
Source:
Aquaculture 2021 v.537 pp. 736528
ISSN:
0044-8486
Subject:
Monte Carlo method; ammonium nitrogen; biochemical oxygen demand; brackish water; cage culture; cages; chlorophyll; ecosystems; estuaries; fish production; geospatial data processing; infrastructure; livelihood; markets; nitrates; nitrites; oxygen; pH; phosphates; salinity; sand; surface water; temperature; turbidity; uncertainty analysis; water currents; water quality; India
Abstract:
... The growing demand for protein food and stagnating capture fisheries production is forcing researchers to explore alternative water resources and technologies to increase fish production. The aquaculture site suitability assessment in water bodies would ensure that the selected waterbody will provide a conducive growing environment for fishes without affecting the prevailing environmental ecosyste ...
DOI:
10.1016/j.aquaculture.2021.736528

27. Multivariate and Statistical Evaluation of Coastal Water Quality and Seasonal Variation in the Physicochemical Properties of Gulf of Khambhat Region, Gujarat, India

Author:
Jitendra Kumar Singh; Pankaj Kumar; Saurabh Vishwakarma
Source:
Water, air, and soil pollution 2022 v.233 no.9 pp. 358
ISSN:
0049-6979
Subject:
air; alkalinity; biochemical oxygen demand; chemical oxygen demand; chlorides; coastal water; coasts; monsoon season; multivariate analysis; nitrates; nitrites; oxygen; pH; phosphates; salinity; seasonal variation; soil pollution; stormwater; sulfates; surface water temperature; total organic carbon; turbidity; water quality; India
Abstract:
... Coastal basins are the world’s largest ultimate natural system for productivity and more than 40% of the world’s population prefers to live on the coastline. Thus, the coastal region is of great economic and nutritional importance. The current research study investigates the seasonal deviations in coastal water quality at four different locations along the Gulf of Khambhat, Gujarat, India, for thr ...
DOI:
10.1007/s11270-022-05799-z

28. A Tale of Two Rivers: Can the Restoration Lessons of River Thames (Southern UK) Be Transferred to River Hindon (Northern India)?

Author:
Vasker Sharma; Himanshu Joshi; Michael J. Bowes
Source:
Water, air, and soil pollution 2021 v.232 no.5 pp. 212
ISSN:
0049-6979
Subject:
air; ammonium; ammonium nitrogen; analysis of variance; base flow; basins; biochemical oxygen demand; dissolved oxygen; dry season; ecosystems; industrial wastewater; phosphorus; population density; rivers; sewage; sewage treatment; soil pollution; temporal variation; water; water quality; watersheds; India
Abstract:
... This study identifies the basin scale factors and potential remedies to restore the severely polluted Hindon River in India, by comparing with another basin with high population density: the River Thames in the UK. Biochemical oxygen demand (BOD) and dissolved oxygen (DO) in the Thames River are usually around 8 mg/l and 7.5 mg/l respectively, while phosphorus and ammonium range between 0.1–0.6 mg ...
DOI:
10.1007/s11270-021-05152-w

29. Upgrading combined anaerobic-aerobic UASB-FPU to UASB-DHS system: Cost comparison and performance perspective for developing countries

Author:
Mohd Aamir Mazhar; Nadeem A. Khan; Afzal Husain Khan; Sirajuddin Ahmed; Asif Ali Siddiqui; Azhar Husain; Rahisuddin; Vineet Tirth; Saiful Islam; Neeraj Kumar Shukla; Fazlollah Changani; Mahmood Yousefi; Ali Eltom Hassaballa; Neyara Radwan
Source:
Journal of cleaner production 2021 v.284 pp. 124723
ISSN:
0959-6526
Subject:
area; biochemical oxygen demand; chemical oxygen demand; cost analysis; developing countries; energy; exhibitions; irrigation; municipal wastewater; sewage treatment; sludge; surface water; total suspended solids; upflow anaerobic sludge blanket reactor; India
Abstract:
... This study determined the performance of upgraded sewage treatment plant (STP) based on an anaerobic-aerobic system consisting Up-flow Anaerobic Sludge Blanket (UASB) reactor, Final Polishing Unit (FPU) and Down-flow Hanging Sponge (DHS) system, treating municipal wastewater located at Dhandhupura, Agra, Uttar Pradesh (India). The performance evaluation of STP were based on the removal efficiency ...
DOI:
10.1016/j.jclepro.2020.124723

30. Water pollution examination through quality analysis of different rivers: a case study in India

Author:
Rohit Sharma; Raghvendra Kumar; Devendra Kumar Sharma; Manash Sarkar; Brojo Kishore Mishra; Vikram Puri; Ishaani Priyadarshini; Pham Huy Thong; Phuong Thao Thi Ngo; Viet-Ha Nhu
Source:
Environment, development and sustainability 2022 v.24 no.6 pp. 7471-7492
ISSN:
1387-585X
Subject:
biochemical oxygen demand; case studies; environment; fecal bacteria; oxygen; pH; rivers; temperature; wastewater; water pollution; water quality; India
Abstract:
... Restoration of water quality at rivers is a big problem for water quality managers. This paper analyzes water quality parameters across five years from 2012 to 2016 in a case study of different Indian rivers. Recently, Indian rivers have experienced massive contamination and water quality depletion due to the entry of wastewater from different regions of India. The quality of Indian rivers has not ...
DOI:
10.1007/s10668-021-01777-3

31. A comparative assessment of the status of Surajkund and Rani Pond, Aurangabad, Bihar, India using overall Index of Pollution and Water Quality Index

Author:
Dina Nath Pandit; Rachna Kumari; Surendra Kumar Shitanshu
Source:
Acta ecologica Sinica 2022 v.42 no.3 pp. 149-155
ISSN:
1872-2032
Subject:
alkalinity; anthropogenic activities; biochemical oxygen demand; chlorides; electrical conductivity; fluorides; issues and policy; nitrates; oxygen; pH; sewage; summer; water temperature; India
Abstract:
... The Water Quality Index is one of the most effective tools to communicate information on the quality of water to the people. An attempt was made to assess the annual and seasonal status of Surajkund and Rani Pond, Aurangabad, Bihar, India using the overall Index of Pollution and Water Quality Index from November 2017 to October 2019. The values of eleven parameters namely water temperature, pH, el ...
DOI:
10.1016/j.chnaes.2020.11.009

32. A critical review on sludge management from onsite sanitation systems: A knowledge to be revised in the current situation

Author:
N. Chandana; Bakul Rao
Source:
Environmental research 2022 v.203 pp. 111812
ISSN:
0013-9351
Subject:
biochemical oxygen demand; chemical oxygen demand; electrical conductivity; excreta; human development; humans; management systems; pH; research; sanitation; sludge; soil pollution; transportation; India
Abstract:
... Access to safe excreta disposal is a basic human right and an essential element of human development. Developing countries (like India) have constructed millions of toilets with on-site sanitation technologies (OSTs). However, these OSTs lack the required management system for collection, transportation and disposal of Faecal Sludge (FS, sludge getting accumulated in OST), leading to considerable ...
DOI:
10.1016/j.envres.2021.111812

33. Bioassessment in the aquatic ecosystems of highly urbanized agglomeration in India: An application of physicochemical and macroinvertebrate-based indices

Author:
Preeti Kumari; Subodh Kumar Maiti
Source:
Ecological indicators 2020 v.111 pp. 106053
ISSN:
1470-160X
Subject:
alkalinity; biochemical oxygen demand; biological assessment; chlorides; electrical conductivity; fauna; lakes; lentic systems; lotic systems; macroinvertebrates; oxygen; pH; rivers; steel; total Kjeldahl nitrogen; urbanization; water management; water quality; India
Abstract:
... Benthic macroinvertebrates (B-macros) from fourteen sampling sites from lentic (lake), intermediate (canal) and lotic (river) ecosystems of Jamshedpur Steel City (JSC) were analyzed, to monitor the changes in their distribution in relation to water quality. JSC is one of the largest Urban Agglomeration in India, which houses more than 1200 industries. The effect of pollution on B-macros communitie ...
DOI:
10.1016/j.ecolind.2019.106053

34. Case study on ncov-19 pandemic effect on Indian economy and geographic impact

Author:
M. Amardeepak; E. Mamatha; S. Durga Sasi Kiran; S. Manjunath; C.S. Reddy
Source:
Indian journal of ecology 2021 v.48 no.spl pp. 45-48
ISSN:
0304-5250
Subject:
COVID-19 infection; Severe acute respiratory syndrome coronavirus 2; air quality; biochemical oxygen demand; case studies; humans; mortality; oxygen; pH; pandemic; traffic; water quality; China; India
Abstract:
... COVID-19 is a disease caused by severe acute respiratory syndrome corona Virus-2 (SARS-COV-2), which emerged in Wuhan city, Hubei province of China, and has now spread its roots over 220 countries and territories around the world. A few vaccines developed for this contagious disease till date have shown promising results. As a consequence of the COVID-19 pandemic, there is a tremendous impact on t ...

35. Comparative study on physicochemical status and diversity of macrophytes and zooplanktons of two urban ponds of Chandannagar, WB, India

Author:
Rituparna Sarkar; Apurba Ratan Ghosh; Naba Kumar Mondal
Source:
Applied water science 2020 v.10 no.2 pp. 63
ISSN:
2190-5487
Subject:
Rotifera; alkalinity; biochemical oxygen demand; chlorides; comparative study; macrophytes; pH; ponds; total dissolved solids; total suspended solids; water hardness; water temperature; winter; zooplankton; India
Abstract:
... Present investigation has made an attempt to assess the variations in physicochemical status of two urban ponds (constructed boundary: Pond A and natural boundary: Pond B) of Chandannagar and also established the variations in the diversity of macrophytes and zooplankton of the study areas during winter (Nov–Dec, 2017). Limnological parameters recorded from two spots collected in three phases, suc ...
DOI:
10.1007/s13201-020-1146-y

36. Deciphering long-term seasonal and tidal water quality trends in the Mahanadi estuary

Author:
Tamoghna Acharyya; Bikram Prativa Sudatta; Suchismita Srichandan; Sanjiba Kumar Baliarsingh; Aneesh Anandrao Lotliker; Susmita Raulo; Sambit Singh; Alakes Samanta
Source:
Journal of coastal conservation 2021 v.25 no.6 pp. 56
ISSN:
1400-0350
Subject:
ammonium; anthropogenic activities; biochemical oxygen demand; dissolved oxygen; estuaries; monsoon season; phosphates; phytoplankton; point source pollution; river flow; rivers; runoff; salinity; silicates; water quality; zooplankton; India
Abstract:
... Long-term water quality observations are mainly lacking in the Indian estuaries. Mahanadi River Estuary (MRE), formed at the mouth of India’s third-largest peninsular river, is experiencing anthropogenic stress. The present study evaluates the variability of water quality parameters (physical, chemical, and biological) over 23 years (1991–2013). This study also assessed the seasonality of water qu ...
DOI:
10.1007/s11852-021-00843-2

37. Implementation of data intelligence models coupled with ensemble machine learning for prediction of water quality index

Author:
Sani Isah Abba; Quoc Bao Pham; Gaurav Saini; Nguyen Thi Thuy Linh; Ali Najah Ahmed; Meriame Mohajane; Mohammadreza Khaledian; Rabiu Aliyu Abdulkadir; Quang-Vu Bach
Source:
Environmental science and pollution research international 2020 v.27 no.33 pp. 41524-41539
ISSN:
0944-1344
Subject:
ammonia; biochemical oxygen demand; dissolved oxygen; fuzzy logic; pH; pollution control; prediction; regression analysis; research; rivers; temperature; water quality; India
Abstract:
... In recent decades, various conventional techniques have been formulated around the world to evaluate the overall water quality (WQ) at particular locations. In the present study, back propagation neural network (BPNN) and adaptive neuro-fuzzy inference system (ANFIS), support vector regression (SVR), and one multilinear regression (MLR) are considered for the prediction of water quality index (WQI ...
DOI:
10.1007/s11356-020-09689-x

38. Implications of demographic changes and land transformations on surface water quality of rural and urban subbasins of Upper Bhima River basin, Maharashtra, India

Author:
Satyavati Shukla; Shirishkumar Gedam; M. V. Khire
Source:
Environment, development and sustainability 2020 v.22 no.1 pp. 129-171
ISSN:
1387-585X
Subject:
Landsat; agricultural land; biochemical oxygen demand; chlorides; coliform bacteria; color; fertilizers; geographic information systems; image analysis; industrial wastes; land cover; pH; population growth; remote sensing; scanners; surface water; sustainable development; thematic maps; total dissolved solids; turbidity; urbanization; water hardness; water pollution; watersheds; India
Abstract:
... For sustainable development in a river basin, it is crucial to understand population growth–land use/land cover (LU/LC) transformations–water quality nexus. This study investigates the effects of demographic changes and LU/LC transformations on surface water quality of rural (Ghod) and urban (Mula-Mutha) subbasins of Upper Bhima River basin. Population data (1981–2011) and LU/LC data {October 2002 ...
DOI:
10.1007/s10668-018-0187-y

39. Pollution and its consequences at Ganga Sagar mass bathing in India

Author:
Ritam Sinha; Sourav Das; Tuhin Ghosh
Source:
Environment, development and sustainability 2020 v.22 no.2 pp. 1413-1430
ISSN:
1387-585X
Subject:
administrative management; biochemical oxygen demand; coliform bacteria; degradation; dissolved oxygen; ecosystems; environment; fecal bacteria; health surveys; hosts; mass; materials; nitrates; people; phosphates; population; sewage; soil; volume; water; water analysis; water quality; Bay of Bengal; Ganges River; India
Abstract:
... Sagar Island is the largest island of Indian Sundarban, which hosts Ganga Sagar Mela (GSM). GSM is the second largest gathering (mass bathing) in India after Kumbha Mela. The total population of Sagar Island is more than 2.12 lakh. During GSM, another 20 lakh visit the island to take holy dip at the confluence of the River Ganges at Bay of Bengal. Physicochemical and bacteriological analysis of wa ...
DOI:
10.1007/s10668-018-0255-3

40. Remote sensing and GIS based analysis of temporal land use/land cover and water quality changes in Harike wetland ecosystem, Punjab, India

Author:
Sukhdeep Singh; Anil Bhardwaj; V.K. Verma
Source:
Journal of environmental management 2020 v.262 pp. 110355
ISSN:
0301-4797
Subject:
agricultural land; biochemical oxygen demand; chemical oxygen demand; ecological balance; ecosystems; forests; geographic information systems; groundwater; land cover; land use; monitoring; pH; remote sensing; surface water; temporal variation; turbidity; wastelands; water pollution; water quality; water table; wetlands; India
Abstract:
... Wetlands help in maintaining ecological balance in an area, but are shrinking fast all over the world. A study was conducted on the Harike wetland in Punjab state of India to analyze temporal changes in land use/land cover (LULC), water spread area and water pollution by using RS and GIS techniques. The LULC map of Harike wetland ecosystem covering an area of 22213.91 ha was prepared through on-sc ...
DOI:
10.1016/j.jenvman.2020.110355

41. Self-cleansing properties of Ganga during mass ritualistic bathing on Maha-Kumbh

Author:
Sanjay Dwivedi; Puneet Singh Chauhan; Seema Mishra; Amit Kumar; Pradyumna Kumar Singh; Mohan Kamthan; Reshu Chauhan; Surabhi Awasthi; Sumit Yadav; Aradhana Mishra; Shekhar Mallick; Sanjeev Kumar Ojha; Sri Krishna Tewari; Rudra Deo Tripathi; Chandra Shekhar Nautiyal
Source:
Environmental monitoring and assessment 2020 v.192 no.4 pp. 221
ISSN:
0167-6369
Subject:
bacteria; bacterial growth; bacteriophages; biochemical oxygen demand; chemical oxygen demand; cleaning; hardness; ions; issues and policy; physicochemical properties; rivers; sediments; trace elements; water quality; India
Abstract:
... The deterioration of water quality of river Ganga is a huge concern for Govt. of India. Apart from various pollution sources, the religious and ritualistic activities also have a good share in deteriorating Ganga water quality. Thus, the aim of the present study was to evaluate the changes in physico-chemical properties, microbial diversity and role of bacteriophages in controlling bacterial popul ...
DOI:
10.1007/s10661-020-8152-2

42. Spatio-temporal trends in the flow and water quality: response of river Yamuna to urbanization

Author:
Shweta Lokhande; Vinod Tare
Source:
Environmental monitoring and assessment 2021 v.193 no.3 pp. 117
ISSN:
0167-6369
Subject:
aquatic organisms; biochemical oxygen demand; chemical oxygen demand; coliform bacteria; data collection; decision making; dissolved oxygen; ecosystems; electrical conductivity; fecal bacteria; groundwater; humans; monsoon season; municipal wastewater; nitrogen; photosynthesis; pollution control; riparian areas; river water; rivers; sewage; sodium; time series analysis; urbanization; India
Abstract:
... Urban rivers are major victims of pollution and the river Yamuna is a notable example. Effective human intervention requires an understanding of the water quality response of rivers to urbanization. To this end, the time-series data from the Central Water Commission (CWC) and the Central Pollution Control Board (CPCB) was analyzed. The dataset included 44 parameters for twelve stations on Yamuna m ...
DOI:
10.1007/s10661-021-08873-x

43. Summer methane emissions from sewage water–fed tropical shallow aquaculture ponds characterized by different water depths

Author:
Sania Shaher; Abhra Chanda; Sourav Das; Isha Das; Sandip Giri; Sourav Samanta; Sugata Hazra; Ananda Deb Mukherjee
Source:
Environmental science and pollution research international 2020 v.27 no.15 pp. 18182-18195
ISSN:
0944-1344
Subject:
aquaculture; biochemical oxygen demand; chlorophyll; dissolved oxygen; fish; greenhouse gas emissions; gross primary productivity; methane; methane production; methanogens; oxidation; pH; photosynthetically active radiation; research; sewage; summer; turbidity; water temperature; India
Abstract:
... Aquaculture practices are steadily increasing to meet the fish demand, especially in tropical countries like India. However, efforts to characterize the contribution of these aquaculture ponds towards greenhouse gas emission like CH₄ are still very few. CH₄ concentration in water [pCH₄(water)] and air–water CH₄ fluxes were estimated (during the summer months) in two sewage-fed ponds having differe ...
DOI:
10.1007/s11356-020-08296-0

44. Urban wetlands of Delhi, India: water quality and pollution status

Author:
Prerna Joshi; N. Siva Siddaiah; Arohi Dixit
Source:
Chemistry in ecology 2021 v.37 no.2 pp. 104-131
ISSN:
1029-0370
Subject:
alkalinity; biochemical oxygen demand; birds; chemical oxygen demand; ecology; electrical conductivity; evaporation; hydrogeochemistry; irrigation water; lakes; oxygen; pH; summer; surface water; temperature; water quality; winter; India
Abstract:
... The present study aims to understand the water quality of four urban wetlands of Delhi-NCR (Sanjay lake, Okhla bird sanctuary, Indira Gandhi stadium lake and Bhalswa lake). Several surface water samples from these wetlands were studied in two seasons (winter and summer) for various physico-chemical properties (temperature, pH, dissolved oxygen, biological oxygen demand, chemical oxygen demand, ele ...
DOI:
10.1080/02757540.2020.1836164

45. Anaerobic and aerobic sewage treatment plants in Northern India: Two years intensive evaluation and perspectives

Author:
Mohd. Najibul Hasan; Abid Ali Khan; Sirajuddin Ahmad; Beni Lew
Source:
Environmental technology & innovation 2019 v.15 pp. 100396
ISSN:
2352-1864
Subject:
aeration; ammonium nitrogen; biochemical oxygen demand; chemical oxygen demand; cities; climate change; forests; ponds; sewage treatment; sludge; surface water; upflow anaerobic sludge blanket reactor; water reuse; India
Abstract:
... The present study investigates the long term treatment performance of seven different sewage treatment plants located in different cities of north India for over a period of two years; two treatment technologies based on intensive aerobic processes — sequencing batch reactor (SBR) and moving bed bio-film reactor (MBBR) and; three combination of Up-flow Anaerobic Sludge Bed (UASB) reactor followed ...
DOI:
10.1016/j.eti.2019.100396

46. Assessment of water quality index and multivariate analysis of high altitude sacred Lake Prashar, Himachal Pradesh, India

Author:
R. Kumari; R. C. Sharma
Source:
International journal of environmental science and technology 2019 v.16 no.10 pp. 6125-6134
ISSN:
1735-1472
Subject:
altitude; autumn; biochemical oxygen demand; calcium; cluster analysis; lakes; monsoon season; multivariate analysis; overgrazing; phosphates; physicochemical properties; potassium; principal component analysis; sodium; spring; summer; turbidity; wastes; water hardness; water temperature; winter; India
Abstract:
... A study was carried out to analyze the physicochemical parameters of sacred lake during November 2015–October 2016. Keeping in view the purpose of the study different analysis has been done to check the water quality of the Prashar Lake. Water quality was evaluated seasonally by using water quality index (WQI), which reflect the defined and future use of water. Different statistical methods: Pears ...
DOI:
10.1007/s13762-018-2007-1

47. Assessment of water quality status of Doyang River, Nagaland, India, using Water Quality Index

Author:
Akumtoshi Lkr; M. R. Singh; Neizo Puro
Source:
Applied water science 2020 v.10 no.1 pp. 46
ISSN:
2190-5487
Subject:
biochemical oxygen demand; dams (hydrology); deforestation; issues and policy; land use; monsoon season; pH; riparian areas; rivers; water quality; watersheds; India
Abstract:
... The Doyang River of Wokha district, Nagaland, NE India, has a strong economic and traditional attachment to the local people. It provides sufficient fertile plains and slopes for cultivation, good grounds for community fishing and hunting. It is not only important for the people of Wokha but also for the state of Nagaland because of the rich natural resources it provides. This study was conducted ...
DOI:
10.1007/s13201-019-1133-3

48. Bioremediation treatment process through mercury-resistant bacteria isolated from Mithi river

Author:
Bhupendra Pushkar; Pooja Sevak; Akansha Singh
Source:
Applied water science 2019 v.9 no.4 pp. 117
ISSN:
2190-5487
Subject:
Acinetobacter; Bacillus (bacteria); Enterobacter; Klebsiella pneumoniae; arsenic; bacteria; biochemical oxygen demand; bioremediation; chemical oxygen demand; chromium; electrical conductivity; heavy metals; industrial effluents; mercury; minimum inhibitory concentration; normal values; ribosomal DNA; river water; rivers; salinity; salt stress; sodium chloride; total dissolved solids; toxicity; India
Abstract:
... Unorganized development all over the world has resulted in the deterioration of the environment. The Mithi river located in Mumbai area is also one of the victims of this unorganized development. It has become a dumping site for industrial effluents, which contains various toxic materials including heavy metals such as mercury, chromium, arsenic. Physicochemical analysis of the Mithi river water s ...
DOI:
10.1007/s13201-019-0998-5

49. Comprehensive evaluation of water quality status for entire stretch of Yamuna River, India

Author:
Maneesh Jaiswal; Jakir Hussain; Sanjay Kumar Gupta; Mahmoud Nasr; Arvind Kumar Nema
Source:
Environmental monitoring and assessment 2019 v.191 no.4 pp. 208
ISSN:
0167-6369
Subject:
atmospheric deposition; bioactive properties; biochemical oxygen demand; decision making; deicing agents; effluents; environmental factors; fertilizers; landfills; monsoon season; oxygen; principal component analysis; rivers; rocks; salts; sewage; soil; stakeholders; surface water; viability; water quality; India
Abstract:
... This study represented the first comprehensive assessment of the physicochemical water quality status of the entire Yamuna River stretch in India. The upper zone had “excellent-to-good” water quality index (WQI) with mean 5-day biochemical oxygen demand (BOD₅) values of 2.1 and 2.4 mg/L during monsoon and non-monsoon, respectively. The middle region was described by “poor-to-marginal” WQI with ave ...
DOI:
10.1007/s10661-019-7312-8

50. 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