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Adisu Befekadu Kebede, Fekadu Fufa Feyessa, Wakjira Takala Dibaba
Pág. 22 - 33
Pollution of surface water with harmful chemicals and eutrophication with excess nutrients are recent serious environmental concerns. This lends the need of knowing the nutrient loading and transport mechanism that will occur with different spatial and t...
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Ing-Marie Gren, Sarah Säll, Abenezer Zeleke Aklilu and Wondmagegn Tirkaso
Mussel farming has been suggested as a low-cost option for reducing nutrient content in eutrophied waters. This study examines whether mussel farming contributes to reductions in total nutrient abatement cost and increases in equity for achieving nutrien...
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Hans Thodsen, Csilla Farkas, Jaroslaw Chormanski, Dennis Trolle, Gitte Blicher-Mathiesen, Ruth Grant, Alexander Engebretsen, Ignacy Kardel and Hans Estrup Andersen
The main environmental stressor of the Baltic Sea is elevated riverine nutrient loads, mainly originating from diffuse agricultural sources. Agricultural practices, intensities, and nutrient losses vary across the Baltic Sea drainage basin (1.75 × 106 km...
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Iosif E. Kapellakis, Nikolaos V. Paranychianakis, Konstantinos P. Tsagarakis and Andreas N. Angelakis
The objective of this study was to investigate the application of constructed wetlands as a mean to manage olive mill wastewater (OMW). Two free water surface (FWS) constructed wetlands, one without (CW1) and one with effluent recirculation (CW2), were o...
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Annette B.G. Janssen, Victor C.L. de Jager, Jan H. Janse, Xiangzhen Kong, ... Wolf M. Mooij
Pág. 276 - 287
Ongoing eutrophication frequently causes toxic phytoplankton blooms. This induces huge worldwide challenges for drinking water quality, food security and public health. Of crucial importance in avoiding and reducing blooms is to determine the maximum nut...
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Yunxing Yin, Sanyuan Jiang, Charlotta Pers, Xiaoying Yang, Qun Liu, Jin Yuan, Mingxing Yao, Yi He, Xingzhang Luo and Zheng Zheng
Many water quality models have been successfully used worldwide to predict nutrient losses from anthropogenically impacted catchments, but hydrological and nutrient simulations with limited data are difficult considering the transfer of model parameters ...
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Petr Fucík, Antonín Zajícek, Markéta Kaplická, Renata Duffková, Jana Peterková, Jana Maxová, ?árka Takácová
Pág. 1 - 19
Rainfall-runoff events significantly influence water runoff and the loss of pollutants from tile-drained agricultural land. We monitored ten small (4 to 38 ha) tile-drained catchments in Czechia for three to five years (2012 to 2016). The discharge was m...
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Petr Fucík, Antonín Zajícek, Markéta Kaplická, Renata Duffková, Jana Peterková, Jana Maxová and ?árka Takácová
Rainfall-runoff events significantly influence water runoff and the loss of pollutants from tile-drained agricultural land. We monitored ten small (4 to 38 ha) tile-drained catchments in Czechia for three to five years (2012 to 2016). The discharge was m...
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Lukas Simon Kriem, Carsten Pietzka, Marc Beckett, Luisa Gärtling and Benjamin Wriedt
Technological advancement in recent decades has allowed for crop cultivation in soilless controlled environments, known as hydroponics, and this is being employed in an increasing number of factories worldwide. With continued local and regional disruptio...
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Ruirui Li, Yi Lu, Fuxu Wan, Yiming Wang and Xiaocheng Pan
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Kim De Mutsert, Amanda Sills, C. J. Carroll Schlick and R. Christian Jones
After a local wastewater treatment plant significantly reduced phosphorus loading into a phytoplankton-dominated tributary of the Potomac River in the early 1980s, water quality and biological communities were monitored bi-weekly from April to September....
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Kim de Mutsert, Amanda Sills, C. J. Carroll Schlick, R. Christian Jones
Pág. 1 - 10
After a local wastewater treatment plant significantly reduced phosphorus loading into a phytoplankton-dominated tributary of the Potomac River in the early 1980s, water quality and biological communities were monitored bi-weekly from April to September....
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Seth Michael Barrus, Gustavious Paul Williams, A. Woodruff Miller, M. Brett Borup, LaVere B. Merritt, David C. Richards and Theron G. Miller
We describe modified sampling and analysis methods to quantify nutrient atmospheric deposition (AD) and estimate Utah Lake nutrient loading. We address criticisms of previous published collection methods, specifically collection table height, screened bu...
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Roberta Trani, Giuseppe Corriero, Maria Concetta de Pinto, Maria Mercurio, Carlo Pazzani, Cataldo Pierri, Maria Scrascia and Caterina Longo
Sponges are an important constituent of filter-feeder benthic communities, characterized by high ecological plasticity and abundance. Free bacteria constitute an important quota of their diet, making them excellent candidates in aquaculture microbial bio...
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Yan Chen, Rui Zou, Su Han, Sen Bai, Mustafa Faizullabhoy, Yueying Wu, Huaicheng Guo
Pág. 1 - 19
Numerical modeling is an efficient and useful method for understanding the hydrodynamics and water quality responses to nutrient loading changes and other management in estuarine and coastal systems. In this study, the Environmental Fluid Dynamic Code (E...
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Yan Chen, Rui Zou, Su Han, Sen Bai, Mustafa Faizullabhoy, Yueying Wu and Huaicheng Guo
Numerical modeling is an efficient and useful method for understanding the hydrodynamics and water quality responses to nutrient loading changes and other management in estuarine and coastal systems. In this study, the Environmental Fluid Dynamic Code (E...
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Feng Zhou, Yanjun Dong, Jing Wu, Jiangli Zheng and Yue Zhao
An indirect simulation-optimization model framework with enhanced computational efficiency and risk-based decision-making capability was developed to determine optimal total maximum daily load (TMDL) allocation under uncertainty. To convert the tradition...
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Jason Motsinger, Prasanta Kalita, Rabin Bhattarai
Pág. 1 - 17
The formation of hypoxic zone in the Gulf of Mexico can be traced to agricultural watersheds in the Midwestern United States that are artificially drained in order to make the land suitable for agriculture. A number of best management practices (BMPs) ha...
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Jason Motsinger, Prasanta Kalita and Rabin Bhattarai
The formation of hypoxic zone in the Gulf of Mexico can be traced to agricultural watersheds in the Midwestern United States that are artificially drained in order to make the land suitable for agriculture. A number of best management practices (BMPs) ha...
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Xujun Liu, Mengjiao Zhang, Han Su, Feifei Dong, Yao Ji and Yong Liu
A multi-objective chance-constrained programming integrated with Genetic Algorithm and robustness evaluation methods was proposed to weigh the conflict between system investment against risk for watershed load reduction, which was firstly applied to nutr...
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