globalchange  > 气候变化与战略
DOI: 10.1111/ele.13784
论文题名:
Successional syndromes of saplings in tropical secondary forests emerge from environment-dependent trait–demography relationships
作者: Lai H.R.; Craven D.; Hall J.S.; Hui F.K.C.; van Breugel M.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2021
卷: 24, 期:9
起始页码: 1776
结束页码: 1787
语种: 英语
中文关键词: community assembly ; demography ; fourth corner ; functional trait ; joint species distribution model ; mortality ; recruitment ; secondary succession ; trait–environmental interaction ; tropical forest
英文摘要: Identifying generalisable processes that underpin population dynamics is crucial for understanding successional patterns. While longitudinal or chronosequence data are powerful tools for doing so, the traditional focus on community-level shifts in taxonomic and functional composition rather than species-level trait–demography relationships has made generalisation difficult. Using joint species distribution models, we demonstrate how three traits—photosynthetic rate, adult stature, and seed mass—moderate recruitment and sapling mortality rates of 46 woody species during secondary succession. We show that the pioneer syndrome emerges from higher photosynthetic rates, shorter adult statures and lighter seeds that facilitate exploitation of light in younger secondary forests, while ‘long-lived pioneer’ and ‘late successional’ syndromes are associated with trait values that enable species to persist in the understory or reach the upper canopy in older secondary forests. Our study highlights the context dependency of trait–demography relationships, which drive successional shifts in sapling's species composition in secondary forests. © 2021 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/166865
Appears in Collections:气候变化与战略

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作者单位: Yale–NUS College, Singapore, Singapore; Department of Biological Sciences, National University of Singapore, Singapore, Singapore; Centre for Integrative Ecology, School of Biological Sciences, University of Canterbury, Christchurch, New Zealand; Centro de Modelación y Monitoreo de Ecosistemas, Universidad Mayor, Santiago, Chile; ForestGEO, Smithsonian Tropical Research Institute, Panama, Panama; Research School of Finance, Actuarial Studies & Statistics, Australian National University, Acton, ACT, Australia

Recommended Citation:
Lai H.R.,Craven D.,Hall J.S.,et al. Successional syndromes of saplings in tropical secondary forests emerge from environment-dependent trait–demography relationships[J]. Ecology Letters,2021-01-01,24(9)
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