期刊
ECOLOGY LETTERS
卷 20, 期 8, 页码 969-980出版社
WILEY
DOI: 10.1111/ele.12794
关键词
Climate change; COMPADRE Plant Matrix Database; demographic compensation; ecological niche models; matrix population models; population dynamics; spatial demography; species distribution models; species interactions-abiotic stress hypothesis; stress gradient hypothesis
类别
资金
- Marie Sklodowska-Curie Individual Fellowship under The EU Horizon Framework Programme for Research and Innovation [GEODEM-658651]
- Science Foundation Ireland (SFI) [15/ERCD/2803]
- Swiss National Science Foundation [31003A-1528661]
- ARC [DE140100505]
- NERC IRF [NE/M018458/1]
- Aarhus University
- Aarhus University Research Foundation
- European Research Council (ERC) [ERC-StG-2014-639706-CONSTRAINTS]
- Natural Environment Research Council [NE/M018458/2, NE/M018458/1] Funding Source: researchfish
- Science Foundation Ireland (SFI) [15/ERCD/2803] Funding Source: Science Foundation Ireland (SFI)
- NERC [NE/M018458/1, NE/M018458/2] Funding Source: UKRI
Correlative species distribution models are based on the observed relationship between species' occurrence and macroclimate or other environmental variables. In climates predicted less favourable populations are expected to decline, and in favourable climates they are expected to persist. However, little comparative empirical support exists for a relationship between predicted climate suitability and population performance. We found that the performance of 93 populations of 34 plant species worldwide - as measured by in situ population growth rate, its temporal variation and extinction risk - was not correlated with climate suitability. However, correlations of demographic processes underpinning population performance with climate suitability indicated both resistance and vulnerability pathways of population responses to climate: in less suitable climates, plants experienced greater retrogression (resistance pathway) and greater variability in some demographic rates (vulnerability pathway). While a range of demographic strategies occur within species' climatic niches, demographic strategies are more constrained in climates predicted to be less suitable.
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