globalchange  > 气候变化与战略
DOI: 10.1111/ele.13826
论文题名:
Grazing-induced biodiversity loss impairs grassland ecosystem stability at multiple scales
作者: Liang M.; Liang C.; Hautier Y.; Wilcox K.R.; Wang S.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2021
语种: 英语
中文关键词: asynchrony ; grazing intensity ; herbivory ; metacommunity ; scale dependence ; sheep
英文摘要: Livestock grazing is a major driver shaping grassland biodiversity, functioning and stability. Whether grazing impacts on grassland ecosystems are scale-dependent remains unclear. Here, we conducted a sheep-grazing experiment in a temperate grassland to test grazing effects on the temporal stability of productivity across scales. We found that grazing increased species stability but substantially decreased local community stability due to reduced asynchronous dynamics among species within communities. The negative effect of grazing on local community stability propagated to reduce stability at larger spatial scales. By decreasing biodiversity both within and across communities, grazing reduced biological insurance effects and hence the upscaling of stability from species to communities and further to larger spatial scales. Our study provides the first evidence for the scale dependence of grazing effects on grassland stability through biodiversity. We suggest that ecosystem management should strive to maintain biodiversity across scales to achieve sustainability of grassland ecosystem functions and services. © 2021 John Wiley & Sons Ltd.
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被引频次[WOS]:44   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166874
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作者单位: Institute of Ecology, College of Urban and Environmental Science, and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing, China; Ministry of Education Key Laboratory of Ecology and Resources Use of the Mongolian Plateau, School of Ecology and Environment, Inner Mongolia University, Hohhot, China; Ecology and Biodiversity Group, Department of Biology, Utrecht University, Utrecht, Netherlands; Department of Ecosystem Science and Management, University of Wyoming, Laramie, WY, United States

Recommended Citation:
Liang M.,Liang C.,Hautier Y.,et al. Grazing-induced biodiversity loss impairs grassland ecosystem stability at multiple scales[J]. Ecology Letters,2021-01-01
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