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Global camera trap synthesis highlights the importance of protected areas in maintaining mammal diversity

Chen, Cheng ; Brodie, Jedediah F. ; Kays, Roland ; Davies, T. Jonathan ; Liu, Runzhe LU ; Fisher, Jason T. ; Ahumada, Jorge ; McShea, William ; Sheil, Douglas and Agwanda, Bernard , et al. (2022) In Conservation Letters 15(2).
Abstract

The establishment of protected areas (PAs) is a central strategy for global biodiversity conservation. While the role of PAs in protecting habitat has been highlighted, their effectiveness at protecting mammal communities remains unclear. We analyzed a global dataset from over 8671 camera traps in 23 countries on four continents that detected 321 medium- to large-bodied mammal species. We found a strong positive correlation between mammal taxonomic diversity and the proportion of a surveyed area covered by PAs at a global scale (β = 0.39, 95% confidence interval [CI] = 0.19–0.60) and in Indomalaya (β = 0.69, 95% CI = 0.19–1.2), as well as between functional diversity and PA coverage in the Nearctic (β = 0.47, 95% CI = 0.09–0.85), after... (More)

The establishment of protected areas (PAs) is a central strategy for global biodiversity conservation. While the role of PAs in protecting habitat has been highlighted, their effectiveness at protecting mammal communities remains unclear. We analyzed a global dataset from over 8671 camera traps in 23 countries on four continents that detected 321 medium- to large-bodied mammal species. We found a strong positive correlation between mammal taxonomic diversity and the proportion of a surveyed area covered by PAs at a global scale (β = 0.39, 95% confidence interval [CI] = 0.19–0.60) and in Indomalaya (β = 0.69, 95% CI = 0.19–1.2), as well as between functional diversity and PA coverage in the Nearctic (β = 0.47, 95% CI = 0.09–0.85), after controlling for human disturbances and environmental variation. Functional diversity was only weakly (and insignificantly) correlated with PA coverage at the global scale (β = 0.22, 95% CI = −0.02–0.46), pointing to a need to better understand the functional response of mammal communities to protection. Our study provides important evidence of the global effectiveness of PAs in conserving terrestrial mammals and emphasizes the critical role of area-based conservation in a post-2020 biodiversity framework.

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@article{0d869f1f-831c-4f07-9d1d-33e1a8b339f0,
  abstract     = {{<p>The establishment of protected areas (PAs) is a central strategy for global biodiversity conservation. While the role of PAs in protecting habitat has been highlighted, their effectiveness at protecting mammal communities remains unclear. We analyzed a global dataset from over 8671 camera traps in 23 countries on four continents that detected 321 medium- to large-bodied mammal species. We found a strong positive correlation between mammal taxonomic diversity and the proportion of a surveyed area covered by PAs at a global scale (β = 0.39, 95% confidence interval [CI] = 0.19–0.60) and in Indomalaya (β = 0.69, 95% CI = 0.19–1.2), as well as between functional diversity and PA coverage in the Nearctic (β = 0.47, 95% CI = 0.09–0.85), after controlling for human disturbances and environmental variation. Functional diversity was only weakly (and insignificantly) correlated with PA coverage at the global scale (β = 0.22, 95% CI = −0.02–0.46), pointing to a need to better understand the functional response of mammal communities to protection. Our study provides important evidence of the global effectiveness of PAs in conserving terrestrial mammals and emphasizes the critical role of area-based conservation in a post-2020 biodiversity framework.</p>}},
  author       = {{Chen, Cheng and Brodie, Jedediah F. and Kays, Roland and Davies, T. Jonathan and Liu, Runzhe and Fisher, Jason T. and Ahumada, Jorge and McShea, William and Sheil, Douglas and Agwanda, Bernard and Andrianarisoa, Mahandry H. and Appleton, Robyn D. and Bitariho, Robert and Espinosa, Santiago and Grigione, Melissa M. and Helgen, Kristofer M. and Hubbard, Andy and Hurtado, Cindy M. and Jansen, Patrick A. and Jiang, Xuelong and Jones, Alex and Kalies, Elizabeth L. and Kiebou-Opepa, Cisquet and Li, Xueyou and Lima, Marcela Guimarães Moreira and Meyer, Erik and Miller, Anna B. and Murphy, Thomas and Piana, Renzo and Quan, Rui Chang and Rota, Christopher T. and Rovero, Francesco and Santos, Fernanda and Schuttler, Stephanie and Uduman, Aisha and van Bommel, Joanna Klees and Young, Hilary and Burton, A. Cole}},
  issn         = {{1755-263X}},
  language     = {{eng}},
  number       = {{2}},
  publisher    = {{Wiley-Blackwell}},
  series       = {{Conservation Letters}},
  title        = {{Global camera trap synthesis highlights the importance of protected areas in maintaining mammal diversity}},
  url          = {{http://dx.doi.org/10.1111/conl.12865}},
  doi          = {{10.1111/conl.12865}},
  volume       = {{15}},
  year         = {{2022}},
}