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Title Species Richness and Conservation Status of Cave Bats in Agusan Del Sur, Philippines
Posted by Olga Nueza
Authors Ian Carlmichael J. Perez and Olga M. Nuñeza
Publication date 2020/07
Journal Asian Journal of Conservation Biology
Volume 9
Issue 1
Pages 56-70
Publisher Turtle Conservation and Research Programme
Abstract Cave bats are constantly threatened by human encroachment in caves. Species richness of cave bats and conser- vation issues in caves in Agusan del Sur, in particular, are still poorly known. In this study, conservation status and species richness of cave bats were determined using a combination of mist netting, abundance estimates, and key informant interview methods. Seven species of bats were recorded with low endemism of 29%. The most abundant species was Hipposideros diadema which was documented in three caves. Agpan cave was the most species-rich with four species of bats. All the documented bats have “Least Concern” status, however, H. diadema, Ptenochirus jagori and Rousettus amplexicaudatus appear to be locally threatened due to bat hunting pressure and human encroachment inside the caves. All caves were found to be moderately to highly disturbed. Thirteen signs of cave disturbances were recorded where vandalism, treasure hunting, and bird’s nest collection showed high prevalence. Wilderness/Epheso Cave, Magdaguhong Cave, Agpan (Paraiso 2) Cave, and Sampyagit Cave were found to be the most impacted. Results indicate a need to strengthen conservation efforts and mitigate the identified local threats.
Index terms / Keywords conservation, disturbances, endemism, hunting, threats.
DOI 05.2016-88933878