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| DOI | 10.1111/ele.12818 |
| Rainfall variability and fine-scale life history tradeoffs help drive niche partitioning in a desert annual plant community | |
| Shriver R.K. | |
| 发表日期 | 2017 |
| ISSN | 1461-023X |
| EISSN | 1461-0248 |
| 卷号 | 20期号:10 |
| 英文摘要 | Tradeoffs have long been an essential part of the canon explaining the maintenance of species diversity. Despite the intuitive appeal of the idea that no species can be a master of all trades, there has been a scarcity of linked demographic and physiological evidence to support the role of resource use tradeoffs in natural systems. Using five species of Chihuahuan desert summer annual plants, I show that demographic tradeoffs driven by short-term soil moisture variation act as a mechanism to allow multiple species to partition a limiting resource. Specifically, by achieving highest fitness in either rainfall pulse or interpulse periods, variability reduces fitness differences through time that could promote coexistence on a limiting resource. Differences in fitness are explained in part by the response of photosynthesis to changing soil moisture. My results suggest that increasing weather variability, as predicted under climate change, could increase the opportunity for coexistence in this community. © 2017 John Wiley & Sons Ltd/CNRS |
| 英文关键词 | Comparative demography; comparative ecophysiology; intraannual variability; niche partitioning; resource pulses; resource variability; species coexistence; tradeoffs |
| 学科领域 | rain; climate change; desert climate; ecosystem; plant; soil; Climate Change; Desert Climate; Ecosystem; Plants; Rain; Soil |
| 语种 | 英语 |
| scopus关键词 | rain; climate change; desert climate; ecosystem; plant; soil; Climate Change; Desert Climate; Ecosystem; Plants; Rain; Soil |
| 来源期刊 | Ecology Letters
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/118332 |
| 作者单位 | University Program in Ecology, Duke University, Durham, NC 27708, United States |
| 推荐引用方式 GB/T 7714 | Shriver R.K.. Rainfall variability and fine-scale life history tradeoffs help drive niche partitioning in a desert annual plant community[J],2017,20(10). |
| APA | Shriver R.K..(2017).Rainfall variability and fine-scale life history tradeoffs help drive niche partitioning in a desert annual plant community.Ecology Letters,20(10). |
| MLA | Shriver R.K.."Rainfall variability and fine-scale life history tradeoffs help drive niche partitioning in a desert annual plant community".Ecology Letters 20.10(2017). |
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