PubAg

Main content area

You searched for: Journal Ecological engineering Remove constraint Journal: Ecological engineering Publication Year 2016 Remove constraint Publication Year: 2016 Source 2016 v.97 Remove constraint Source: 2016 v.97
Start Over

Search

70  Search Results

« Previous | 1 - 20 of 70 |
Number of results to display per page

Search Results

1. A datamining approach to identifying spatial patterns of phosphorus forms in the Stormwater Treatment Areas in the Everglades, US

Author:
Corstanje, R.; Grafius, D.R.; Zawadzka, J.; Moreira Barradas, J.; Vince, G.; Ivanoff, D.; Pietro, K.
Source:
Ecological engineering 2016 v.97 pp. 567-576
ISSN:
0925-8574
Subject:
Citrus; biodiversity; data collection; ecosystems; environmental factors; habitat destruction; models; nitrogen; nutrients; phosphorus; principal component analysis; risk; runoff; stormwater management; sugarcane; urbanization; vegetables; Florida
Abstract:
... The Everglades ecosystem in Florida, USA, is naturally phosphorus (P) limited, and faces threats of ecosystem change and associated losses to habitat, biodiversity, and ecosystem function if subjected to high inflows of P and other nutrients. In addition to changes in historic hydropattern, upstream agriculture (sugar cane, vegetable, citrus) and urbanization has placed the Everglades at risk due ...
DOI:
10.1016/j.ecoleng.2016.10.003

2. A decadal-scale nutrient loading study in a coastal wetland: Impacts on soil microbial processes

Author:
Steinmuller, H.E.; Graham, S.A.; White, J.R.; McKee, M.; Mendelssohn, I.A.
Source:
Ecological engineering 2016 v.97 pp. 58-63
ISSN:
0925-8574
Subject:
agricultural land; biogeochemical cycles; denitrification; fertilizers; microbial biomass; nitrogen; nitrogen content; organic matter; phosphorus; pollution load; soil microorganisms; soil nutrients; wastewater; wetland soils; wetlands; Mississippi River
Abstract:
... Fertilizer use in agricultural lands and treated wastewater disposal have increased bioavailable nitrogen (N) and phosphorus (P) loading to wetlands and aquatic systems with potential implications for nutrient cycling and soil microbial processes. Recently, conflicting results of N loading impacts on microbial-mediated organic matter decomposition in coastal wetland soils have been reported. Howev ...
DOI:
10.1016/j.ecoleng.2016.07.008

3. A developed fuzzy-stochastic optimization for coordinating human activity and eco-environmental protection in a regional wetland ecosystem under uncertainties

Author:
Zeng, X.T.; Huang, G.H.; Yang, X.L.; Wang, X.; Fu, H.; Li, Y.P.; Li, Z.
Source:
Ecological engineering 2016 v.97 pp. 207-230
ISSN:
0925-8574
Subject:
biochemical oxygen demand; decision making; ecosystems; issues and policy; mathematical theory; pollution control; probability distribution; risk; risk reduction; socioeconomic development; uncertainty; wastewater; water allocation; water quality; wetlands; China
Abstract:
... In this study, a developed fuzzy approximation mixed stochastic approach (DFAS) is proposed for a regional wetland ecosystem (RWE) management under uncertainty. DFAS can handle traditional objective non-determinacy (caused by natural element) and anthropogenic uncertainty (caused by artificial factor) expressed as probability distribution and fuzzy set in objective function or constraint; it also ...
DOI:
10.1016/j.ecoleng.2016.09.002

4. An advanced oxidation process for wastewater treatment to reduce the ecological burden from pharmacotherapy and the agricultural use of pesticides

Author:
Klančar, Anita; Trontelj, Jurij; Kristl, Albin; Meglič, Andrej; Rozina, Tinkara; Justin, Maja Zupančič; Roškar, Robert
Source:
Ecological engineering 2016 v.97 pp. 186-195
ISSN:
0925-8574
Subject:
analytical methods; atrazine; ciprofloxacin; cleaning; clofibric acid; diclofenac; drugs; electrochemistry; electrodes; oxidation; platinum; pollutants; simazine; solid phase extraction; surveys; wastewater; wastewater treatment
Abstract:
... The presence of pharmaceuticals and pesticides in the environment has been frequently confirmed and has been recognized as a potential threat to the environment. This paper describes an advanced wastewater treatment process based on the electrochemical oxidation of pollutants, and the development of a sensitive analytical method to monitor the analytes in wastewater samples comprised of solid phas ...
DOI:
10.1016/j.ecoleng.2016.09.010

5. A non-invasive preferential root distribution analysis methodology from a slope stability approach

Author:
Tardío, Guillermo; González-Ollauri, Alejandro; Mickovski, Slobodan B.
Source:
Ecological engineering 2016 v.97 pp. 46-57
ISSN:
0925-8574
Subject:
ground-penetrating radar; image analysis; models; root systems; trees
Abstract:
... Asymmetric root distribution pattern on steep terrain is analysed by combining GPR (Ground Penetrating Radar) image analysis with a theoretical root distribution model and is verified with field investigation data. Root distribution and morphology of a mature deciduous tree were analysed in terms of the plant’s anchorage needs in an asymmetric loading condition scenario. The GPR method was combine ...
DOI:
10.1016/j.ecoleng.2016.08.005

6. A review on multifaceted application of nanoparticles in the field of bioremediation of petroleum hydrocarbons

Author:
Kumari, Babita; Singh, D.P.
Source:
Ecological engineering 2016 v.97 pp. 98-105
ISSN:
0925-8574
Subject:
adsorption; biodegradation; bioremediation; biosurfactants; enzymes; hydrocarbons; hydrophobicity; metals; microbial growth; microorganisms; nanoparticles; pesticides; petroleum; solubility; surface area
Abstract:
... Nanotechnology is an emerging field to produce nano-scale products with more efficient reactivity and larger surface area than its bulk phase. These unique attributes of nano-particles offer immense potential for their application to clean up petroleum hydrocarbons, pesticides and metals contaminated sites. As compared to the conventional physico-chemical methods of remediation of contaminated sit ...
DOI:
10.1016/j.ecoleng.2016.08.006

7. Aridland constructed treatment wetlands II: Plant mediation of surface hydrology enhances nitrogen removal

Author:
Sanchez, Christopher A.; Childers, Daniel L.; Turnbull, Laura; Upham, Robert F.; Weller, Nicholas
Source:
Ecological engineering 2016 v.97 pp. 658-665
ISSN:
0925-8574
Subject:
cities; climate; constructed wetlands; ecosystem services; evaporation; hydrology; marshes; models; nitrogen; soil microorganisms; solutes; summer; transpiration; vegetation; water treatment; Arizona
Abstract:
... Constructed treatment wetlands have been well established as effective and sustainable solutions to the problem of urban water treatment and reuse. However, treatment wetlands located in aridland cities may behave differently relative to their more mesic and humid counterparts, and this could potentially impact their ability to deliver the ecosystem services that are expected of them. Specifically ...
DOI:
10.1016/j.ecoleng.2016.01.002

8. Aridland constructed treatment wetlands I: Macrophyte productivity, community composition, and nitrogen uptake

Author:
Weller, Nicholas A.; Childers, Daniel L.; Turnbull, Laura; Upham, Robert F.
Source:
Ecological engineering 2016 v.97 pp. 649-657
ISSN:
0925-8574
Subject:
Schoenoplectus acutus; Schoenoplectus americanus; Typha; aboveground biomass; belowground biomass; botanical composition; community structure; cost effectiveness; ecosystems; macrophytes; managers; nitrogen; nitrogen content; nutrient content; planting; pure stands; soil; urban areas; wastewater treatment; water resources; water reuse; wetlands; Arizona
Abstract:
... Urbanized areas increasingly rely on constructed treatment wetlands (CTW) for cost effective and environmentally-based wastewater treatment. Constructed treatment wetlands are particularly attractive treatment options in arid urban environments where water reuse is important for dealing with scarce water resources. Emergent macrophytes play an important role in nutrient removal, particularly nitro ...
DOI:
10.1016/j.ecoleng.2015.05.044

9. Badlands forest restoration in Central Spain after 50 years under a Mediterranean-continental climate

Author:
Mongil-Manso, J.; Navarro-Hevia, J.; Díaz-Gutiérrez, V.; Cruz-Alonso, V.; Ramos-Díez, I.
Source:
Ecological engineering 2016 v.97 pp. 313-326
ISSN:
0925-8574
Subject:
Pinus; calcium; climate; coniferous forests; forest restoration; forest soils; granite; humus; infiltration rate; land management; magnesium; nitrogen; reforestation; resistance to penetration; rivers; sandy soils; sediment yield; sediments; silviculture; sodium; soil chemical properties; soil depth; soil erosion; soil formation; soil texture; stand density; Spain
Abstract:
... This study shows the results of a badlands restoration carried out 50 years ago in Central Spain in terms of soil evolution, vegetation and hydrological characteristics. Although gully restoration is frequently employed to recover degraded soils and reduce sediment yield to rivers and reservoirs, analysis of the evolution of this type of action after a long period of time is not so commonplace. Mo ...
DOI:
10.1016/j.ecoleng.2016.10.020

10. Bioremediation and biomass harvesting of anaerobic digested cheese whey in microalgal-based systems for lipid production

Author:
Riaño, B.; Blanco, S.; Becares, E.; García-González, M.C.
Source:
Ecological engineering 2016 v.97 pp. 40-45
ISSN:
0925-8574
Subject:
algae culture; ammonium; biofuels; biomass production; bioremediation; cheese whey; chemical oxygen demand; culture media; flocculation; harvesting; lipid content; lipids; pH; phosphorus; wastewater
Abstract:
... Agro-industrial wastewaters are potential resources for production of microalgae biofuels. The aim of the present work was to determine the feasibility of a semi-continuously fed microalgal-based system for the treatment of anaerobic digested cheese whey (AD) and to evaluate biomass productivity and lipid accumulation for a period of 77d. The effect of increasing ammonium loading rate (ALR) and de ...
DOI:
10.1016/j.ecoleng.2016.08.002

11. Characteristics of phosphorus components in the sediments of main rivers into the Bohai Sea

Author:
Shan, Baoqing; Li, Jie; Zhang, Wenqiang; Di, Zhenzhen; Jin, Xin
Source:
Ecological engineering 2016 v.97 pp. 426-433
ISSN:
0925-8574
Subject:
sediments; basins; inorganic phosphorus; aquatic organisms; nuclear magnetic resonance spectroscopy; rivers; sewage; industry; orthophosphates; fertilizers; freshwater ecosystems; iron; nutrition; phosphonates; pollution; esters; eutrophication; risk reduction; phospholipids
Abstract:
... Phosphorus (P) is an essential nutrient for aquatic organisms; however, excessive P inflow to freshwater ecosystems can induce eutrophication. P concentrations in the rivers around the Bohai Sea have been amplified by fertilizer and sewage inputs associated with the development of industry and agriculture. Yet, knowledge of the characteristics of P is lacking at the main rivers which were inflow i ...
DOI:
10.1016/j.ecoleng.2016.10.042

12. Characterization of bacterial community in biofilm and sediments of wetlands dominated by aquatic macrophytes

Author:
Pang, Si; Zhang, Songhe; Lv, XiaoYang; Han, Bing; Liu, Kaihui; Qiu, Changhao; Wang, Chao; Wang, Peifang; Toland, Harry; He, Zhenli
Source:
Ecological engineering 2016 v.97 pp. 242-250
ISSN:
0925-8574
Subject:
Bacteroidetes; Chloroflexi; Firmicutes; Myriophyllum; Nymphoides peltata; Proteobacteria; Trapa; Verrucomicrobia; algae; bacteria; bacterial communities; biofilm; cluster analysis; community structure; epiphytes; lakes; leaves; macrophytes; principal component analysis; roots; sediments; stems; wetlands
Abstract:
... Though aquatic macrophytes play an important role in wetlands, their effects on bacteria community structures in biofilms and sediments are far from clear. In the present study, bacterial communities were investigated in biofilm attached to leaves, stems and roots of aquatic macrophytes (Myriophyllum verticillatum, Nymphoides peltatum and Trapa japonica) and in vertical sediment cores from vegetat ...
DOI:
10.1016/j.ecoleng.2016.10.011

13. Characterization of cadmium removal from aqueous solution by biochar produced from Ipomoea fistulosa at different pyrolytic temperatures

Author:
Goswami, Ritusmita; Shim, Jaehong; Deka, Shantanu; Kumari, Deepa; Kataki, Rupam; Kumar, Manish
Source:
Ecological engineering 2016 v.97 pp. 444-451
ISSN:
0925-8574
Subject:
Ipomoea carnea subsp. fistulosa; adsorbents; adsorption; aqueous solutions; biochar; cadmium; ions; kinetics; potassium hydroxide; pyrolysis; remediation; temperature; toxic substances; wastewater; water pollution
Abstract:
... Water contamination by Cadmium (Cd) from industrial wastewater discharge is a critical global predicament. Its remediation creates an imperative need for the development of low-cost adsorbents with high efficiency. We demonstrate use of a novel adsorbent- Ipomoea fistulosa biochar as a low cost, efficient method to remove Cd from aqueous solution with minimum contact time period and adsorbent dose ...
DOI:
10.1016/j.ecoleng.2016.10.007

14. Combustibility of biomass from perennial crops cultivated on a rewetted Mediterranean peatland

Author:
Giannini, Vittoria; Oehmke, Claudia; Silvestri, Nicola; Wichtmann, Wendelin; Dragoni, Federico; Bonari, Enrico
Source:
Ecological engineering 2016 v.97 pp. 157-169
ISSN:
0925-8574
Subject:
Arundo donax; Miscanthus giganteus; Phragmites australis; Populus canadensis; Salix alba; ash content; biomass; calcium; carbon; chlorine; combustion; coppicing; crop quality; crops; eutrophication; gas emissions; grasses; harvest date; heat; hydrogen; magnesium; nitrogen; peat soils; peatlands; phosphorus; planting; potassium; sodium; subsidence; sulfur; watersheds; Italy; Northern European region
Abstract:
... A paludicultural experiment was conducted in the Massaciuccoli Lake Basin (Tuscany, IT) to test this restoration strategy to reduce water eutrophication and subsidence phenomena of peat soils. The species tested were three perennial rhizomatous grasses (PRGs), Arundo donax, Miscanthus x giganteus, Phragmites australis, and two woody crops managed as short-rotation coppice (SRC), Populus x canadens ...
DOI:
10.1016/j.ecoleng.2016.09.008

15. Comparative process optimization of pilot-scale total petroleum hydrocarbon (TPH) degradation by Paspalum scrobiculatum L. Hack using response surface methodology (RSM) and artificial neural networks (ANNs)

Author:
Sanusi, Salmi Nur Ain; Halmi, Mohd Izuan Effendi; Abdullah, Siti Rozaimah Sheikh; Hassan, Hassimi Abu; Hamzah, Firdaus Mohamad; Idris, Mushrifah
Source:
Ecological engineering 2016 v.97 pp. 524-534
ISSN:
0925-8574
Subject:
Paspalum scrobiculatum; aeration; equations; neural networks; petroleum; prediction; regression analysis; response surface methodology
Abstract:
... The aim of this study is to investigate an optimization process for the degradation of total petroleum hydrocarbon (TPH) by a tropical plant, Paspalum scrobiculatum L. Hack, using response surface methodology and artificial neural network. The optimum conditions predicted by RSM were found to be at a diesel concentration of 3%, 72 sampling days and an aeration rate of 1.77L/min with a 76.8% maximu ...
DOI:
10.1016/j.ecoleng.2016.10.044

16. Comparison of cyanobacteria monitoring methods in a tropical reservoir by in vivo and in situ spectrofluorometry

Author:
Silva, Talita; Giani, Alessandra; Figueredo, Cleber; Viana, Priscila; Khac, Viet Tran; Lemaire, Bruno J.; Tassin, Bruno; Nascimento, Nilo; Vinçon-Leite, Brigitte
Source:
Ecological engineering 2016 v.97 pp. 79-87
ISSN:
0925-8574
Subject:
Planktothrix; absorbance; biomass; chlorophyll; eutrophication; fluorescence; fluorescence emission spectroscopy; fluorometry; lakes; monitoring; phytoplankton; surface water; temperate zones; Brazil
Abstract:
... A reliable and representative monitoring of phytoplankton abundance, especially cyanobacteria, is mandatory for choosing the best management or restoration strategy and for assessing its effectiveness in worldwide eutrophic lakes and reservoirs. In vivo and in situ fluorometry is expected to be faster than the traditional methods of phytoplankton counting and chlorophyll-a (chla) extraction and qu ...
DOI:
10.1016/j.ecoleng.2016.06.037

17. Composition, structural characteristics and indication of water quality of dissolved organic matter in Dongting Lake sediments

Author:
Li, Yanping; Zhang, Li; Wang, Shengrui; Zhao, Haichao; Zhang, Rui
Source:
Ecological engineering 2016 v.97 pp. 370-380
ISSN:
0925-8574
Subject:
absorbance; aromatic compounds; dissolved organic matter; environmental factors; esters; fluorescence emission spectroscopy; humification; lakes; metabolism; nitrogen content; sediments; trophic levels; water quality
Abstract:
... This study aims to establish the relationship between the composition, structure of sediment dissolved organic matter (DOM) and water quality based on changes of environmental conditions in Dongting Lake. Hence, UV–vis absorbance and fluorescence spectroscopy were combined to characterize the components and structure of DOM in surface sediments of Dongting Lake. The relationship of the structural ...
DOI:
10.1016/j.ecoleng.2016.10.035

18. Constructed wetland planning-based bi-level optimization to balance the watershed ecosystem and economic development: A case study at the Chaohu Lake watershed, China

Author:
Ni, Jingneng; Xu, Jiuping; Zhang, Mengxiang
Source:
Ecological engineering 2016 v.97 pp. 106-121
ISSN:
0925-8574
Subject:
algorithms; carrying capacity; case studies; constructed wetlands; economic development; economic policy; ecosystems; environmental impact; environmental policy; lakes; models; uncertainty; watersheds; China
Abstract:
... Due to environmental carrying capacity limitations, accelerated economic development can result in serious damage to watershed ecosystems. Using planned watershed-scale constructed wetlands (CW), this paper describes how balance can be achieved between the watershed ecosystem and economic development. To accomplish this goal, a bi-level optimization model is established, in which fuzzy random vari ...
DOI:
10.1016/j.ecoleng.2016.07.024

19. Effect of biochar on the fate and transport of manure-borne progesterone in soil

Author:
Alizadeh, Sanaz; Prasher, Shiv O.; ElSayed, Eman; Qi, Zhiming; Patel, Ramanbhai M.
Source:
Ecological engineering 2016 v.97 pp. 231-241
ISSN:
0925-8574
Subject:
biochar; desorption; leachates; lysimeters; pollution; poultry; progesterone; softwood; soil amendments; swine; topsoil
Abstract:
... The sorption affinity and desorption resistance of two types of biochars as soil amendments was evaluated in laboratory. The softwood and hardwood-biochars demonstrated a high sorption affinity for progesterone. The effective distribution coefficient (Kdᵉᶠᶠ) of soil-soft wood-derived biochar (SBS₄₅₀) was significantly higher (H0: P<0.05) than soil-hardwood-derived biochar (SBH₇₅₀), indicating its ...
DOI:
10.1016/j.ecoleng.2016.08.001

20. Effect of grassland vegetation on diurnal temperature range in China’s temperate grassland region

Author:
Shen, Xiangjin; Liu, Binhui; Zhou, Daowei; Lu, Xianguo
Source:
Ecological engineering 2016 v.97 pp. 292-296
ISSN:
0925-8574
Subject:
air temperature; cooling; diurnal variation; growing season; meadows; steppes; vegetation cover; China
Abstract:
... Based on the observation minus reanalysis (OMR) method, this study explored the impacts of grassland vegetation on diurnal temperature range (DTR) in China’s temperate grassland region from 1982 to 2005. Results showed that temperate grassland vegetation generally tended to decrease growing-season DTR, but the degree of influence of vegetation on DTR was different among different grassland types. ...
DOI:
10.1016/j.ecoleng.2016.10.014