Surrounding habitats mediate the trade-off between land-sharing and land-sparing agriculture in the tropics

Gilroy, J.J. ORCID:, Edwards, F.A., Medina Uribe, C.A., Haugaasen, T. and Edwards, D.P. (2014) Surrounding habitats mediate the trade-off between land-sharing and land-sparing agriculture in the tropics. Journal of Applied Ecology, 51 (5). pp. 1337-1346. ISSN 0021-8901

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Two strategies are often promoted to mitigate the effects of agricultural expansion on biodiversity: one integrates wildlife-friendly habitats within farmland (land sharing), and the other intensifies farming to allow the offset of natural reserves (land sparing). Their relative merits for biodiversity protection have been subject to much debate, but no previous study has examined whether trade-offs between the two strategies depend on the proximity of farmed areas to large tracts of natural habitat. We sampled birds and dung beetles across contiguous forests and agricultural landscapes (low-intensity cattle farming) in a threatened hotspot of endemism: the Colombian Chocó-Andes. We test the hypothesis that the relative biodiversity benefits of either strategy depend partially on the degree to which farmlands are isolated from large contiguous blocks of forest. We show that distance from forest mediates the occurrence of many species within farmland. For the majority of species, occurrence on farmland depends on both isolation from forest and the proportionate cover of small-scale wildlife-friendly habitats within the farm landscape, with both variables having a similar overall magnitude of effect on occurrence probabilities. Simulations suggest that the biodiversity benefits of land sharing decline significantly with increasing distance from forest, but land sparing benefits remain consistent. In farm management units situated close to large contiguous forest (

Item Type: Article
Uncontrolled Keywords: agri-environment schemes,agroecosystems,biodiversity conservation,farming,food security,habitat loss,land sharing ,land sparing,primary forest,tropical andes,sdg 2 - zero hunger,sdg 15 - life on land ,/dk/atira/pure/sustainabledevelopmentgoals/zero_hunger
Faculty \ School: Faculty of Science > School of Environmental Sciences
Faculty of Science > School of Biological Sciences
UEA Research Groups: Faculty of Science > Research Groups > Organisms and the Environment
Faculty of Science > Research Groups > Environmental Biology
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Depositing User: Pure Connector
Date Deposited: 17 Mar 2015 13:38
Last Modified: 18 May 2023 00:13
DOI: 10.1111/1365-2664.12284

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