Impacts of tropical forest disturbance on species vital rates

Cosset, Cindy C.P., Gilroy, James J. and Edwards, David P. (2019) Impacts of tropical forest disturbance on species vital rates. Conservation Biology, 33 (1). pp. 66-75. ISSN 0888-8892

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    Tropical forests are experiencing enormous threats from deforestation and habitat degradation. Much of our knowledge on the impacts of these land‐use changes on tropical species comes from studies examining patterns of richness and abundance. Demographic vital rates (survival, reproduction and movement) can also be impacted by land‐use change in a way that increases species vulnerability to local extinction, but in many cases these impacts may not be manifested in short‐term changes in abundance or species richness. We assessed current knowledge and research effort concerning how land‐use change affects species vital rates in tropical forest vertebrates. We find a general paucity of empirical research on demography across taxa and regions, with some biases towards mammals and birds, and land‐use transitions including fragmentation and agriculture. There is also considerable between‐species variation in demographic responses to land‐use change, which could reflect trait‐based differences in species sensitivity, complex context‐dependencies (e.g. between‐region variation) or inconsistency in methods used in studies. Efforts to improve our understanding of anthropogenic impacts on species demography are underway, but there is a need for increased research effort to fill knowledge‐gaps in under‐studied tropical regions and taxa. The lack of information on demographic impacts of anthropogenic disturbance makes it difficult to draw definite conclusions about the magnitude of threats to tropical ecosystems under anthropogenic pressures. Thus, determining conservation priorities and improving conservation effectiveness remains a challenge.

    Item Type: Article
    Uncontrolled Keywords: land‐use change,survival,reproductive success,movement,selective logging,forest fragmentation,agriculture,fire
    Faculty \ School: Faculty of Science > School of Environmental Sciences
    Related URLs:
    Depositing User: LivePure Connector
    Date Deposited: 20 Jul 2018 11:53
    Last Modified: 09 Apr 2019 13:34
    DOI: 10.1111/cobi.13182

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