Multi-spatial scale effects of multidimensional landscape pattern on stream water nitrogen pollution in a subtropical agricultural watershed

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成果类型：

期刊论文

作者：

Liu, Huanyao;Meng, Cen;Wang, Yi;Liu, Xinliang;Li, Yong;...

通讯作者：

Yi Wang

作者机构：

[Liu, Huanyao] Hunan Agr Univ, Coll Resource & Environm, Changsha 410128, Peoples R China.

[Wang, Yi] Ludong Univ, Coll Resources & Environm Engn, Yantai 264025, Peoples R China.

[Li, Yuyuan; Wu, Jinshui; Meng, Cen; Liu, Xinliang] Chinese Acad Sci, Inst Subtrop Agr, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Peoples R China.

[Li, Yuyuan; Wu, Jinshui; Meng, Cen; Liu, Xinliang] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

[Li, Yong] Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atmo, Beijing 100029, Peoples R China.

通讯机构：

[Yi Wang] C

College of Resources and Environmental Engineering, Ludong University, Yantai, 264025, China

语种：

英文

关键词：

Agricultural pollution;Land use;River pollution;Rivers;Topography;Tropics;Watersheds;Buffer zones;Change-point analysis;Class level;Landscape metric;Landscape pattern;N pollutions;Riparian buffer zones;Soil property;Spatial scale;Stream water;Water quality;ammonia;nitrate;nitrogen;river water;nitrogen;water;agricultural development;soil property;subtropical region;topography;water quality;watershed;agricultural land;Article;China;controlled study;lake basin;land use;landscape;nitrogen concentration;soil property;stream (river);topography;water monitoring;water pollution;watershed;chemistry;environmental monitoring;procedures;river;soil;water pollutant;water pollution;China;Environmental Monitoring;Nitrogen;Rivers;Soil;Water;Water Pollutants, Chemical;Water Pollution

期刊：

Journal of Environmental Management

ISSN：

0301-4797

年：

2022

卷：

321

页码：

115962

DOI：

10.1016/j.jenvman.2022.115962

基金类别：

We thank two anonymous reviewers and the associate editor Qian Tan, PhD, for their helpful comments. This study was financially supported by the National Natural Science Foundation of China ( 41977156 , 42007157 ), the Key Research and Development Program of Hunan ( 2021NK 2029 ), and the Scientific Research Project of the Education Department of Hunan Province ( 21A0132 ).

机构署名：

本校为第一机构

院系归属：

资源环境学院

摘要：

Multidimensional (coupled land use, soil properties, and topography) landscape effects on stream water nitrogen (N) are complex and scale-dependent. However, studies that identify critical buffer zones that explain large variations in riverine N, and estimate specific thresholds of multidimensional landscape patterns at the class level, result in a sudden changes in riverine N pollution, are still limited. Here, a new multidimensional landscape metric that combined land use, soil properties, and topography effects was applied to various riparia...

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Multi-spatial scale effects of multidimensional landscape pattern on stream water nitrogen pollution in a subtropical agricultural watershed

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