BrownVellend2014

Référence

Brown, C.D., Vellend, M. (2014) Non-climatic constraints on upper elevational plant range expansion under climate change. Proceedings of the Royal Society B-Biological Sciences, 281(1794). (Scopus )

Résumé

We are limited in our ability to predict climate-change-induced range shifts by our inadequate understanding of hownon-climatic factors contribute to determining range limits along putatively climatic gradients. Here, we present a unique combination of observations and experiments demonstrating that seed predation and soil properties strongly limit regeneration beyond the upper elevational range limit of sugar maple, a tree species of major economic importance. Most strikingly, regeneration beyond the range limit occurred almost exclusively when seeds were experimentally protected from predators. Regeneration from seed was depressed on soil from beyond the range edge when this soil was transplanted to sites within the range, with indirect evidence suggesting that fungal pathogens play a role. Non-climatic factors are clearly in need of careful attention when attempting to predict the biotic consequences of climate change. At minimum, we can expect non-climatic factors to create substantial time lags between the creation of more favourable climatic conditions and range expansion.

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@ARTICLE { BrownVellend2014,
    AUTHOR = { Brown, C.D. and Vellend, M. },
    TITLE = { Non-climatic constraints on upper elevational plant range expansion under climate change },
    JOURNAL = { Proceedings of the Royal Society B-Biological Sciences },
    YEAR = { 2014 },
    VOLUME = { 281 },
    NUMBER = { 1794 },
    NOTE = { cited By (since 1996)0 },
    ABSTRACT = { We are limited in our ability to predict climate-change-induced range shifts by our inadequate understanding of hownon-climatic factors contribute to determining range limits along putatively climatic gradients. Here, we present a unique combination of observations and experiments demonstrating that seed predation and soil properties strongly limit regeneration beyond the upper elevational range limit of sugar maple, a tree species of major economic importance. Most strikingly, regeneration beyond the range limit occurred almost exclusively when seeds were experimentally protected from predators. Regeneration from seed was depressed on soil from beyond the range edge when this soil was transplanted to sites within the range, with indirect evidence suggesting that fungal pathogens play a role. Non-climatic factors are clearly in need of careful attention when attempting to predict the biotic consequences of climate change. At minimum, we can expect non-climatic factors to create substantial time lags between the creation of more favourable climatic conditions and range expansion. },
    AUTHOR_KEYWORDS = { Acer saccharum; Biotic interactions; Climate change; Range expansion; Seed predation; Substrate },
    CODEN = { PRLBA },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1098/rspb.2014.1779 },
    ISSN = { 09628452 },
    KEYWORDS = { Acer saccharum },
    PAGE_COUNT = { 9 },
    SOURCE = { Scopus },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84908125588&partnerID=40&md5=dac352c54a406d94c2ed808f8d52fdf6 },
}

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