globalchange  > 气候变化与战略
DOI: 10.1111/ele.13566
论文题名:
Reducing dispersal limitation via seed addition increases species richness but not above-ground biomass
作者: Ladouceur E.; Stanley Harpole W.; Blowes S.A.; Roscher C.; Auge H.; Seabloom E.W.; Chase J.M.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2020
卷: 23, 期:10
起始页码: 1442
结束页码: 1450
语种: 英语
中文关键词: Biodiversity ; community assembly ; ecosystem function ; grasslands ; metacommunity ecology ; seed addition ; species pool
英文关键词: aboveground biomass ; anthropogenic effect ; biodiversity ; community structure ; experimental study ; grassland ; plant community ; seed dispersal ; species richness ; biodiversity ; biomass ; ecosystem ; Biodiversity ; Biomass ; Ecosystem
英文摘要: Seed dispersal limitation, which can be exacerbated by a number of anthropogenic causes, can result in local communities having fewer species than they might potentially support, representing a potential diversity deficit. The link between processes that shape natural variation in diversity, such as dispersal limitation, and the consequent effects on productivity is less well known. Here, we synthesised data from 12 seed addition experiments in grassland communities to examine the influence of reducing seed dispersal limitation (from 1 to 60 species added across experiments) on species richness and productivity. For every 10 species of seed added, we found that species richness increased by about two species. However, the increase in species richness by overcoming seed limitation did not lead to a concomitant increase in above-ground biomass production. This highlights the need to consider the relationship between biodiversity and ecosystem functioning in a pluralistic way that considers both the processes that shape diversity and productivity simultaneously in naturally assembled communities. © 2020 The Authors. Ecology Letters published by John Wiley & Sons Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166654
Appears in Collections:气候变化与战略

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作者单位: German Centre for Integrative Biodiversity Research (iDiv) Leipzig-Halle-Jena, Deutscher Platz 5e, Leipzig, 04103, Germany; Institute of Computer Science, Martin Luther University Halle-Wittenberg, Halle (Saale), 06120, Germany; Department of Physiological Diversity, Helmholtz Centre for Environmental Research -UFZ, Permoserstrasse 15, Leipzig, 04318, Germany; Institute of Biology, Martin Luther University Halle-Wittenberg, Am Kirchtor 1, Halle (Saale, 06108, Germany; Department of Community Ecology, Helmholtz Centre for Environmental Research -UFZ, Theodor-Lieser-Straße 4, Halle (Saale), 06120, Germany; Department of Ecology Evolution & Behavior, University of Minnesota, St. Paul, MN 55108, United States

Recommended Citation:
Ladouceur E.,Stanley Harpole W.,Blowes S.A.,et al. Reducing dispersal limitation via seed addition increases species richness but not above-ground biomass[J]. Ecology Letters,2020-01-01,23(10)
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