首页|The ghost of past climate acting on present-day plant diversity:Lessons from a climate-based delimitation of the tropical alpine ecosystem

The ghost of past climate acting on present-day plant diversity:Lessons from a climate-based delimitation of the tropical alpine ecosystem

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Habitat stability is important for maintaining biodiversity by preventing species extinction,but this stability is being challenged by climate change.The tropical alpine ecosystem is currently one of the ecosystems most threatened by global warming,and the flora close to the permanent snow line is at high risk of extinction.The tropical alpine ecosystem,found in South and Central America,Malesia and Papuasia,Africa,and Hawaii,is of relatively young evolutionary age,and it has been exposed to changing climates since its origin,particularly during the Pleistocene.Estimating habitat loss and gain between the Last Glacial Maximum(LGM)and the present allows us to relate current biodiversity to past changes in climate and habitat stability.In order to do so,(i)we developed a unifying climate-based delimitation of tropical alpine regions across continents,and(ii)we used this delimitation to assess the degree of habitat stability,that is,the overlap of suitable areas between the LGM and the present,in different tropical alpine regions.Finally,we discuss the link between habitat stability and tropical alpine plant diversity.Our climate-based delimitation approach can be easily applied to other ecosystems using our developed code,facilitating macro-comparative studies of habitat dynamics through time.

extinction riskhabitat dynamicsLast Glacial Maximumplant diversityrefugiatropical alpine

Martha Kandziora、Juan M.Gorospe、Luciana Salomon、Diana L.A.Vásquez、Maria Pinilla Vargas、Filip Kolá?、Petr Sklená?、Roswitha Schmickl

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Department of Botany,Faculty of Science,Charles University,Benátská 2,128 01 Prague,Czech Republic

Institute of Botany,The Czech Academy of Sciences,Zámek 1,252 43 Průhonice,Czech Republic

project"e-Infrastruktura CZ"program Projects of Large Research,Development and Innovations Infrastructuresframework of her OP RDE project International mobility of researchers at Charles University(MSCA-IF Ⅲ)Czech Science Foundation(GA?R)projectEuropean Union's Horizon research and innovation programme(2020)Czech Academy of Sciences longterm research development project

e-INFRA LM2018140reg.n.CZ.02.2.69/0.0/0.0/19_074/oo1623120-10878SH2020-WF-03-2020RVO 67985939

2024

10.1111/jse.13048

植物分类学报
中国科学院植物研究所　中国植物学会

植物分类学报

CSTPCD
影响因子：0.322
ISSN：1674-4918
年,卷(期)：2024.62(2)
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