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| DOI | 10.1111/jbi.14858 |
| Species richness responds to buffer effectiveness and competitive priorities in simulations of alpine microrefugia | |
| 发表日期 | 2024 |
| ISSN | 0305-0270 |
| EISSN | 1365-2699 |
| 英文摘要 | AimMicrorefugia on alpine slopes may allow species to persist in a warming climate. How plant species richness could respond to of the effectiveness of climatic buffering, defined as the difference in climate change in a microrefugium in comparison to that of an open alpine slope as mediated by competitive priority effects, is explored.LocationAlpine habitat anywhere.TaxonVascular plants.MethodsA simple spatially explicit model of plant species with adaptations across a climatic gradient simulates reproduction, dispersal, and mortality through climatic change. The effectiveness of microrefugia in buffering climate change and levels of competitive priority effects are included as factors that alter demographic rates in an experimental framework. Spatial patterns of microrefugia and differences in dispersal are also simulated. Differences in mean species richness were analysed.ResultsThe number of species conserved, relative to an instantaneous equilibrium calculation with the same climatic change, decreases with inclusion of a period of change (transient vs. instantaneous, equilibrium change) and further with competitive priority effects. In these simulations, the number of species conserved does not simply increase with buffer effectiveness, as hypothesized, but instead is bimodal.Main ConclusionsThe dip in number of species conserved in the middle range of buffer effectiveness occurs because barriers develop. These are temporal ecological traps, wherein species adapted to the middle of a climatic gradient become extinct, because their colonization of microrefugia is blocked by an extinction debt of resident species. The inertia that allows these demographic consequences is increased by competitive priorities. The highest levels of buffering and resulting inertia will not be ubiquitous but the bimodal pattern indicates that assessments of the role of microrefugia need to recognize the temporal species-environment and species-species interactions that will change the number of species conserved versus extinctions. |
| 英文关键词 | alpine; buffer; climate change; diversity; ecological trap; inertia; microrefugia; simulation |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology ; Physical Geography |
| WOS类目 | Ecology ; Geography, Physical |
| WOS记录号 | WOS:001217192900001 |
| 来源期刊 | JOURNAL OF BIOGEOGRAPHY
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/309013 |
| 作者单位 | University of Iowa; University of Vienna; Austrian Academy of Sciences; BOKU University; University of Oviedo |
| 推荐引用方式 GB/T 7714 | . Species richness responds to buffer effectiveness and competitive priorities in simulations of alpine microrefugia[J],2024. |
| APA | (2024).Species richness responds to buffer effectiveness and competitive priorities in simulations of alpine microrefugia.JOURNAL OF BIOGEOGRAPHY. |
| MLA | "Species richness responds to buffer effectiveness and competitive priorities in simulations of alpine microrefugia".JOURNAL OF BIOGEOGRAPHY (2024). |
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