期刊
LAND DEGRADATION & DEVELOPMENT
卷 15, 期 1, 页码 87-96出版社
WILEY
DOI: 10.1002/ldr.572
关键词
land use; soil erosion; nitrogen loss; runoff; Loess Plateau; China
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.
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