Having your water and drinking it too

resource limitation modifies density regulation

Corey Bradshaw

    Research output: Contribution to journalArticleResearchpeer-review

    Abstract

    Determining the interaction between extrinsic and intrinsic drivers of variation in population abundance through time continues to challenge ecologists. Chamaill�ammes and colleagues (this issue) examined African elephant time series to explore how water availability alters the density feedback mechanisms restricting population growth. The relationship between population growth rate and density shifted from an upward convex to a more linear form after controlling for rainfall. Spatial variation in water availability also attenuated density dependence as elephants adjusted their distribution relative to current environmental conditions. This work has important climate change implications for the conservation management of African herbivores. � 2007 The Author.
    Original languageEnglish
    Pages (from-to)1-4
    Number of pages4
    JournalJournal of Animal Ecology
    Volume77
    Issue number1
    Publication statusPublished - 2008

    Fingerprint

    elephant
    drinking
    water availability
    population growth
    feedback mechanism
    density dependence
    conservation management
    resource
    herbivore
    Loxodonta africana
    spatial variation
    water
    environmental conditions
    Elephantidae
    time series
    ecologists
    rainfall
    climate change
    time series analysis
    herbivores

    Cite this

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    title = "Having your water and drinking it too: resource limitation modifies density regulation",
    abstract = "Determining the interaction between extrinsic and intrinsic drivers of variation in population abundance through time continues to challenge ecologists. Chamaill�ammes and colleagues (this issue) examined African elephant time series to explore how water availability alters the density feedback mechanisms restricting population growth. The relationship between population growth rate and density shifted from an upward convex to a more linear form after controlling for rainfall. Spatial variation in water availability also attenuated density dependence as elephants adjusted their distribution relative to current environmental conditions. This work has important climate change implications for the conservation management of African herbivores. � 2007 The Author.",
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    }

    Having your water and drinking it too : resource limitation modifies density regulation. / Bradshaw, Corey.

    In: Journal of Animal Ecology, Vol. 77, No. 1, 2008, p. 1-4.

    Research output: Contribution to journalArticleResearchpeer-review

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