Journal
ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION
Volume 10, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/ijgi10030180
Keywords
corridor; home range; metapopulation; multiple-use forest; CARBayes; MSPA
Funding
- Madhya Pradesh State Biodiversity Board, Bhopal
- Indian Council of Medical Research, New Delhi [3/1/3/JRF-2015/HRD-LS/46/30775/145]
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Conserving landscape connections among favorable habitats is crucial for maintaining populations in fragmented areas. The study in central India found that multiple-use forests play a key role in maintaining connectivity for antelopes, as well as privately held farmlands and plantations. Mitigation measures, such as underpasses, overpasses, and fences, are needed for perilous patches with higher mortality risk for species.
Conserving landscape connections among favorable habitats is a widely used strategy to maintain populations in an increasingly fragmented world. A species can then exist as a metapopulation consisting of several subpopulations connected by dispersal. Our study focuses on the importance of human-wildlife coexistence areas in maintaining connectivity among primary habitats of small ungulates within and outside protected areas in a large landscape in central India. We used geospatial information and species presence data to model the suitable habitats, core habitats, and connectivity corridors for four antelope species in an similar to 89,000 km(2) landscape. We found that about 63% of the core habitats, integrated across the four species, lie outside the protected areas. We then measured connectivity in two scenarios: the present setting, and a hypothetical future setting-where habitats outside protected areas are lost. We also modelled the areas with a high risk of human-influenced antelope mortality using eco-geographical variables and wildlife mortality records. Overall, we found that the habitats in multiple-use forests play a central role in maintaining the connectivity network for antelopes. Sizable expanses of privately held farmlands and plantations also contribute to the essential movement corridors. Some perilous patches with greater mortality risk for species require mitigation measures such as underpasses, overpasses, and fences. Greater conservation efforts are needed in the spaces of human-wildlife coexistence to conserve the habitat network of small ungulates.
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