Effects of land use on soil erosion and nitrogen loss in the hilly area of the Loess Plateau, China

被引：94
|
作者：
Fu, BJ
Meng, QH
Qiu, Y
Zhao, WW
Zhang, QJ
Davidson, DA
机构：
[1] Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Syst Ecol, Beijing 100085, Peoples R China
[2] State Forestry Adm, Acad Forest Investory & Planning, Beijing, Peoples R China
[3] Beijing Normal Univ, Dept Resources & Environm Sci, Beijing, Peoples R China
[4] Univ Stirling, Sch Biol & Environm Sci, Stirling, Scotland
来源：
LAND DEGRADATION & DEVELOPMENT | 2004年 / 15卷 / 01期
关键词：
land use; soil erosion; nitrogen loss; runoff; Loess Plateau; China;
D O I：
10.1002/ldr.572
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study examines the effects of land use and slope angle on runoff, soil loss and nitrogen loss from hillslopes of the Loess Plateau in China. Farmland, wasteland and four forest treatments (sea buckthorn + poplar, immature sea buckthorn, mature sea buckthorn, and immature Chinese pine) were the types of land use that were compared. The results showed that July was the critical period for runoff, soil loss and nitrogen loss from farmland. Farmland was the most susceptible land use. Sea buckthorn + poplar, immature sea buckthorn, and mature sea buckthorn limited the runoff, soil loss and nitrogen loss. Farmland on slopes over 15 degrees should be abandoned because of the high erosion rate and nitrogen loss. Copyright (C) 2003 John Wiley Sons, Ltd.
引用
收藏
页码：87 / 96
页数：10
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