National emphasis on high-level protection reduces risk of biodiversity decline in tropical forest reserves

Bradshaw, Corey J.A., Craigie, Ian, and Laurance, William F. (2015) National emphasis on high-level protection reduces risk of biodiversity decline in tropical forest reserves. Biological Conservation, 190. pp. 115-122.

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Abstract

Tropical protected areas have variable success in protecting their biodiversity. Many are experiencing biodiversity declines because of pressures such as logging, fire and hunting in their immediate surroundings, and inadequate protection inside the reserves. Here we assess how the national socio-economic context in which protected areas are embedded correlates with temporal trends in the condition of their biodiversity. Focussing on 60 protected areas arrayed across the world's major tropical regions, we examine the correlation between the biodiversity 'health' of protected areas and indices of human population size, wealth, governance quality, the environmental ranking of their respective nation, and national emphasis on reserve protection. We hypothesize that, after controlling for variability in socio-economic context, a country's emphasis on implementing high-protection reserves reduces the likelihood of biodiversity decline in its protected areas. We find that, after accounting for spatial non-independence and general socio-economic context, the best predictor of biodiversity trends within a tropical protected area is the country's overall emphasis on reserve quality, as measured by the proportion of IUCN Category I–IV reserves in nations' protected-area networks. This result suggests that national-level policies can have an important influence on the fate of biodiversity in tropical protected areas.

Item ID: 40257
Item Type: Article (Research - C1)
ISSN: 1873-2917
Keywords: wealth, tropical forests, protected areas, human population size, governance, biodiversity
Funders: Australian Research Council (ARC)
Date Deposited: 07 Sep 2015 03:08
FoR Codes: 05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050202 Conservation and Biodiversity @ 100%
SEO Codes: 96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960899 Flora, Fauna and Biodiversity of Environments not elsewhere classified @ 100%
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