LaliberteZemimikTurner2014

Référence

Laliberté, E., Zemimik, G. and Turner, B.L. (2014) Environmental filtering explains variation in plant diversity along resource gradients. Science, 345(6204):1602-1605. (Scopus )

Résumé

The mechanisms that shape plant diversity along resource gradients remain unresolved because competing theories have been evaluated in isolation. By testing multiple theories simultaneously across a >2-million-year dune chronosequence in an Australian biodiversity hotspot, we show that variation in plant diversity is not explained by local resource heterogeneity, resource partitioning, nutrient stoichiometry, or soil fertility along this strong resource gradient. Rather, our results suggest that diversity is determined by environmental filtering from the regional flora, driven by soil acidification during long-term pedogenesis. This finding challenges the prevailing view that resource competition controls local plant diversity along resource gradients, and instead reflects processes shaping species pools over evolutionary time scales. © 2014 by the American Association for the Advancement of Science; all rights reserved.

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@ARTICLE { LaliberteZemimikTurner2014,
    AUTHOR = { Laliberte, E. and Zemimik, G. and Turner, B.L. },
    TITLE = { Environmental filtering explains variation in plant diversity along resource gradients },
    JOURNAL = { Science },
    YEAR = { 2014 },
    VOLUME = { 345 },
    PAGES = { 1602-1605 },
    NUMBER = { 6204 },
    NOTE = { cited By 5 },
    ABSTRACT = { The mechanisms that shape plant diversity along resource gradients remain unresolved because competing theories have been evaluated in isolation. By testing multiple theories simultaneously across a >2-million-year dune chronosequence in an Australian biodiversity hotspot, we show that variation in plant diversity is not explained by local resource heterogeneity, resource partitioning, nutrient stoichiometry, or soil fertility along this strong resource gradient. Rather, our results suggest that diversity is determined by environmental filtering from the regional flora, driven by soil acidification during long-term pedogenesis. This finding challenges the prevailing view that resource competition controls local plant diversity along resource gradients, and instead reflects processes shaping species pools over evolutionary time scales. © 2014 by the American Association for the Advancement of Science; all rights reserved. },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1126/science.1256330 },
    KEYWORDS = { oil; P & S Liquid; phenol derivative, article; Australia; biodiversity; chemistry; drug combination; evolution; plant; soil; time, Australia; Biodiversity; Biological Evolution; Drug Combinations; Oils; Phenols; Plants; Soil; Time Factors },
    SOURCE = { Scopus },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84907907876&partnerID=40&md5=d726bdb34e569dc21a33a3c9facdbb4e },
}

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