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  • Predicted protected area downsizing impedes conservation progress across terrestrial ecoregions in the tropics and subtropics

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    Chauvenet511615-Published.pdf (3.210Mb)
    File version
    Version of Record (VoR)
    Author(s)
    Kuempel, Caitlin
    Chauvenet, Alienor
    Symes, Will
    Possingham, Hugh
    Griffith University Author(s)
    Chauvenet, Ali
    Year published
    2021
    Metadata
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    Abstract
    Protected areas remain a key tool in the fight against biodiversity loss and have expanded rapidly in recent decades. However, protected areas are also increasingly experiencing downsizing events that reduce the total amount of area legally under protection. Here we explore how future predicted protected area expansion and downsizing (by 2045) will impact the ability for countries to meet representation and area-based protection targets, such as those set by the Convention on Biological Diversity. We found that predicted protected area downsizing will likely decrease habitat representation equality and mean area-based target ...
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    Protected areas remain a key tool in the fight against biodiversity loss and have expanded rapidly in recent decades. However, protected areas are also increasingly experiencing downsizing events that reduce the total amount of area legally under protection. Here we explore how future predicted protected area expansion and downsizing (by 2045) will impact the ability for countries to meet representation and area-based protection targets, such as those set by the Convention on Biological Diversity. We found that predicted protected area downsizing will likely decrease habitat representation equality and mean area-based target (30% target) achievement by 50% and >80%, respectively, of the 36 countries analyzed across four scenarios (no protection, business as usual, random and optimal protection). Prioritizing protection of underrepresented ecoregions could offset these unfavorable outcomes, increasing representation equality, on average, by >60% and mean target achievement by >30%. We identify countries that are expected to decrease both representation equality and mean target achievement (~50% of countries across scenarios) with predicted downsizing. These countries need to pay particular attention to strategic protected area expansion and policies that prevent downsizing in parks with under-represented habitats. Finally, we identify cases where downsizing events improve protected area metrics, such as India and Nigeria, highlighting the complexities and potential trade-offs of protected area dynamics. A deeper understanding of the influence of protected area downsizing on conservation outcomes is urgently needed to ensure representative and adequate protected area networks.
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    Journal Title
    Conservation Science and Practice
    DOI
    https://doi.org/10.1111/csp2.529
    Copyright Statement
    © 2021 The Authors. Conservation Science and Practice published by Wiley Periodicals LLC on behalf of Society for Conservation Biology. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
    Subject
    Environmental management
    Ecology
    Conservation and biodiversity
    Modelling and simulation
    Science & Technology
    Life Sciences & Biomedicine
    Biodiversity Conservation
    Aichi Target 11
    Publication URI
    http://hdl.handle.net/10072/408898
    Collection
    • Journal articles

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