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Na Wang, Lei Wang, Liang Jin, Jiajun Wu, Min Pang, Dan Wei, Yan Li, Junqiang Wang, Ting Xu, Zhixin Yang and Jianzhi Xie
Rainfall intensity and slope gradient are the main drivers of slope surface runoff and nitrogen loss. To explore the distribution of rainfall runoff and nitrogen loss on the Miyun Reservoir slopes, we used artificial indoor simulated rainfall experiments...
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Zhan Tan, Jiu Ren, Shaoda Li, Wei Li, Rui Zhang and Tiegang Sun
Remote sensing is widely used for lake-water-quality monitoring, but the inversion of the total nitrogen (TN) and total phosphorus (TP) of rivers and non-optical parameters is still a difficult problem. The use of high spatial and temporal resolution mul...
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Dong Fu, Yanchuan Gong, Chuntan Chen, Xiao Gui, Hepei Liu, Shu Chen, Juntao Ren and Bingjie Hou
Agricultural non-point source (ANPS) pollution has emerged as a significant factor influencing water quality within watersheds. Understanding the spatial distribution and composition of ANPS is crucial for effective river water quality management. Based ...
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Max-Frederik Piepel and Hans-Werner Olfs
Optimised use of liquid organic manures (LOM) can reduce the consumption of mineral fertilisers and help reduce the emission of nutrients into nonagricultural ecosystems. To achieve this, farmers need to be able to measure the greatly variable nutrient c...
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Shradha S. Aherkar, Surendra B. Deshmukh, Nitin. M. Konde, Aadinath N. Paslawar, Tanay Joshi, Monika M. Messmer and Amritbir Riar
The demand for organic cotton is primarily driven by manufacturers and brands with a corporate focus on environmental and social responsibility. These entities strive to be responsible stewards by seeking organic cotton, which not only offers environment...
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Mitchell M. Brown, Justin T. Telfer, Gustavious P. Williams, A. Woodruff Miller, Robert B. Sowby, Riley C. Hales and Kaylee B. Tanner
Atmospheric deposition (AD) is a less understood and quantified source of nutrient loading to waterbodies. AD occurs via settling (large particulates), contact (smaller particulates and gaseous matter), and precipitation (rain, snow) transport pathways. ...
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William Luiz de Souza, Eliéder Prates Romanzini, Lutti Maneck Delevatti, Rhaony Gonçalves Leite, Priscila Arrigucci Bernardes, Abmael da Silva Cardoso, Ricardo Andrade Reis and Euclides Braga Malheiros
Understanding economic scenarios is crucial in all production chains. Tropical pastures are Brazil?s primary food source for beef cattle production, and current pasture management is not ideal due to land degradation. An economic evaluation assists farme...
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Hao Guo, Yong Li, Xu Wang, Hongyan Ruan, Toyin Peter Abegunrin, Lanchao Wei, Zhigang Huang, Kayode Steven Are and Gabriel Oladele Awe
Excessive fertilizer application, majorly nitrogen- and phosphorus-based fertilizers, in farmland has intensified environmental pollution of rivers, lakes, and other surface water bodies worldwide by agricultural non-point sources, especially the highly-...
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Xihua Wang, Shunqing Jia, Zejun Liu and Boyang Mao
Nitrate pollution in groundwater has become a global concern for agriculture and regional ecology. However, tracing the spatiotemporal groundwater nitrate pollution sources, calculating the total nitrogen loading, and assessing contamination at the water...
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Wei Shang, Shuanggen Jin, Yang He, Yuanyuan Zhang and Jian Li
Poyang Lake, Dongting Lake, and Taihu Lake are the largest freshwater lakes in the middle and lower reaches of the Yangtze River, China. In recent years, the eutrophication level of lakes has increased with the development of the social economy and cause...
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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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Mebrahtom G. Kebedew, Seifu A. Tilahun, Fasikaw A. Zimale and Tammo S. Steenhuis
Sediment concentration of rivers in developing countries has been increasing greatly over the last 50 years due to the conversion of forest to continuously cultivated land with the increasing population. Few studies have addressed its effect on sedimenta...
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Emily J. Collings, Joshua T. Bunce, Mui-Choo Jong and David W. Graham
Innovative and low-energy solutions for the removal of nitrogen from domestic wastewater are needed to achieve regulatory ambitions. However, there is a lack of appropriate technologies for use in non-centralised applications, where receiving waterbodies...
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Changjiang Liu, Fei Zhang, Xiangyu Ge, Xianlong Zhang, Ngai weng Chan and Yaxiao Qi
Nitrogen overload is one of the main reasons for the deterioration of surface water quality. Hence, monitoring nitrogen loadings is vital in maintaining good surface water quality. Increasingly, the use of spectral reflectance to monitor nitrogen concent...
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Soil total nitrogen (N) stock in rangelands, shrublands, and forests support key ecological functions such as the capacity of the land to sustain plant and animal productivity and ecosystem services. The objective of this study was to model soil total N ...
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Yu Gong, Jianghua Wu, Judith Vogt, Thuong Ba Le and Tao Yuan
Climate warming and vegetation composition change are expected to influence greenhouse gas emissions from boreal peatlands. However, the interactive effects of warming and different vegetation compositions on N2O dynamics are poorly known, although N2O i...
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Xiaowen Ding, Ying Xue, Ming Lin, Guihong Jiang
Pág. 1 - 15
The upper reach of the Yangtze River is an ecologically sensitive region where water loss, soil erosion, and nonpoint source (NPS) pollution are serious issues. In this drainage area, regosol is the most widely distributed soil type. Cultivation on regos...
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Xiaowen Ding, Ying Xue, Ming Lin and Guihong Jiang
The upper reach of the Yangtze River is an ecologically sensitive region where water loss, soil erosion, and nonpoint source (NPS) pollution are serious issues. In this drainage area, regosol is the most widely distributed soil type. Cultivation on regos...
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Zuoda Qi, Gelin Kang, Chunli Chu, Yu Qiu, Ze Xu, Yuqiu Wang
Pág. 1 - 19
Watershed models have gradually been adapted to support both decision and policy making for global environmental pollution control. In this study, two watershed models with different complexity, the Soil and Water Assessment Tool (SWAT) and the Generaliz...
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Zuoda Qi, Gelin Kang, Chunli Chu, Yu Qiu, Ze Xu and Yuqiu Wang
Watershed models have gradually been adapted to support both decision and policy making for global environmental pollution control. In this study, two watershed models with different complexity, the Soil and Water Assessment Tool (SWAT) and the Generaliz...
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