气候变化领域集成服务门户(CCPortal): Latitudinal effect of vegetation on erosion rates identified along western South America

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DOI	10.1126/SCIENCE.AAZ0840
	Latitudinal effect of vegetation on erosion rates identified along western South America
	Starke J.; Ehlers T.A.; Schaller M.
发表日期	2020
ISSN	0036-8075
起始页码	1358
结束页码	1361
卷号	367 期号:6484
英文摘要	Vegetation influences erosion by stabilizing hillslopes and accelerating weathering, thereby providing a link between the biosphere and Earth’s surface. Previous studies investigating vegetation effects on erosion have proved challenging owing to poorly understood interactions between vegetation and other factors, such as precipitation and surface processes. We address these complexities along 3500 kilometers of the extreme climate and vegetation gradient of the Andean Western Cordillera (6°S to 36°S latitude) using 86 cosmogenic radionuclide–derived, millennial time scale erosion rates and multivariate statistics. We identify a bidirectional response to vegetation’s influence on erosion whereby correlations between vegetation cover and erosion range from negative (dry, sparsely vegetated settings) to positive (wetter, more vegetated settings). These observations result from competing interactions between precipitation and vegetation on erosion in each setting. Copyright © 2020 The Authors, some rights reserved;
关键词	air-soil interaction erosion rate latitudinal gradient precipitation (climatology)radionuclide vegetation cover article precipitation South America vegetation Andes Cordillera Occidental [Andes]
语种	英语
来源机构	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/133612
推荐引用方式 GB/T 7714	Starke J.,Ehlers T.A.,Schaller M.. Latitudinal effect of vegetation on erosion rates identified along western South America[J]. Science,2020,367(6484).
APA	Starke J.,Ehlers T.A.,&Schaller M..(2020).Latitudinal effect of vegetation on erosion rates identified along western South America.,367(6484).
MLA	Starke J.,et al."Latitudinal effect of vegetation on erosion rates identified along western South America".367.6484(2020).