Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/27379
Title: Mammal richness and diversity in a Himalayan hotspot: the role of protected areas in conserving Bhutan’s mammals
Contributor(s): Dorji, Sangay (author); Rajaratnam, Rajanathan  (author)orcid ; Vernes, Karl  (author)orcid 
Publication Date: 2019-10
Early Online Version: 2019-07-27
DOI: 10.1007/s10531-019-01821-9
Handle Link: https://hdl.handle.net/1959.11/27379
Abstract: More than 51% of Bhutan is in a protected area (PA) network and our study demonstrates its effectiveness in conserving large and medium mammal species. We conducted camera trapping in Bhutan’s PAs, biological corridors (BCs) and intervening non-protected areas (NPAs) to investigate the richness and diversity of mammals, and assess the network’s efficacy in protecting mammals. 1858 camera traps were deployed within 1129 5-km × 5-km grids over 536 days between 2014 and 2015, resulting in 148,598 trap-nights (mean = 80 traps-nights/camera) which yielded nearly 10 million photos (mean = 5368 photos/camera trap). Fifty-six mammal species (65% of Bhutan’s 86 medium and large terrestrial mammal species) representing 18 families within seven orders were identified, of which, 18 (32.16%) are listed as threatened by the International Union for Conservation of Nature. There was a significant difference in mammal diversity between PAs, BCs, and NPAs (PERMANOVA test; p < 0.001; Pseudo-F = 6.40; unique perms = 9921), with the strongest difference between PAs and NPAs. Additionally, Hill’s numbers q = 0 (species richness), q = 1 (Shannon’s entropy index) and q = 2 (Simpson’s concentration index) revealed a higher mammal diversity in PAs compared to BCs and NPAs. Higher mammal diversity in PAs can be attributed to the added presence of threatened species, including the tiger Panthera tigris, red panda Ailurus fulgens, Asian elephant Elephas maximus, and golden langur Trachypithecus geei. However, BCs and NPAs share similar patterns of mammal diversity, and globally threatened species such as the Chinese pangolin Manis pentadactyla and Indian pangolin Manis crassicaudata were only detected in NPAs. Although Bhutan’s PA network is effective in conserving much of the country’s mammal diversity, realignment of some protected areas and biological corridors would ensure the long-term protection of several threatened mammal species.
Publication Type: Journal Article
Source of Publication: Biodiversity and Conservation, 28(12), p. 3277-3297
Publisher: Springer Netherlands
Place of Publication: The Netherlands
ISSN: 0960-3115
1572-9710
Field of Research (FOR): 060302 Biogeography and Phylogeography
040699 Physical Geography and Environmental Geoscience not elsewhere classified
050202 Conservation and Biodiversity
Socio-Economic Outcome Codes: 960806 Forest and Woodlands Flora, Fauna and Biodiversity
960906 Forest and Woodlands Land Management
960505 Ecosystem Assessment and Management of Forest and Woodlands Environments
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article
School of Environmental and Rural Science
School of Humanities, Arts and Social Sciences

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