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Implications of zero-deforestation commitments: forest quality and hunting pressure limit mammal persistence in fragmented tropical landscapes

Deere, Nicolas J., Guillera-Arroita, Gurutzeta, Platts, Philip J., Mitchell,, Simon L., Baking, Esther, Bernard, Henry, Haysom, Jessica K., Reynolds, Glen, Seaman, Dave J.I, Davies, Zoe G., and others. (2020) Implications of zero-deforestation commitments: forest quality and hunting pressure limit mammal persistence in fragmented tropical landscapes. Conservation Letters, 13 (3). Article Number e12701. ISSN 1755-263X. (doi:10.1111/conl.12701) (KAR id:79348)

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http://dx.doi.org/10.1111/conl.12701

Abstract

Zero-deforestation commitments seek to decouple agricultural production and forest loss to improve prospects for biodiversity. However, the effectiveness of methods designed to meet these commitments is poorly understood. In a highly-fragmented tropical landscape dominated by oil palm, we tested the capacity for the High Carbon Stock (HCS) Approach to prioritise forest remnants that sustain mammal diversity. Patches afforded High Priority by HCS protocols (100 ha core area) provided important refuges for IUCN-threatened species and megafauna. However, patch-scale HCS area recommendations conserved only 35% of the mammal community. At least 3,000 ha would be required to retain intact mammal assemblages, with nearly ten times this area needed if hunting pressure was high. While current HCS protocols will safeguard patches capable of sustaining biodiversity, highly-fragmented tropical landscapes typical of zero-deforestation pledges will require thinking beyond the patch, towards strategically configured forest remnants at the landscape-level and enforcing strict controls on hunting.

Item Type: Article
DOI/Identification number: 10.1111/conl.12701
Uncontrolled keywords: Biodiversity; camera-trapping; habitat fragmentation; High Carbon Stock Approach; land-use planning; occupancy modelling; oil palm; RSPO; Southeast Asia; tropical forest, DICE (Durrell Institute of Conservation and Ecology)
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
G Geography. Anthropology. Recreation > GN Anthropology
Divisions: Divisions > Division of Human and Social Sciences > School of Anthropology and Conservation > DICE (Durrell Institute of Conservation and Ecology)
Depositing User: Nick Deere
Date Deposited: 18 Dec 2019 15:25 UTC
Last Modified: 21 Jun 2021 07:51 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/79348 (The current URI for this page, for reference purposes)
Deere, Nicolas J.: https://orcid.org/0000-0003-1299-2126
Mitchell,, Simon L.: https://orcid.org/0000-0001-8826-4868
Seaman, Dave J.I: https://orcid.org/0000-0002-6616-7001
Davies, Zoe G.: https://orcid.org/0000-0003-0767-1467
Struebig, Matthew J.: https://orcid.org/0000-0003-2058-8502
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