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Journal of Multidisciplinary Studies

Discipline: Multidisciplinary Studies

The Journal of Multidisciplinary Studies (JMDS) is a peer-reviewed multidisciplinary journal which aims to publish biannually finest research articles in social sciences, natural sciences, engineering and technology and other subject areas. Submitted papers should describe original and previously unpublished works, not currently under review by another

JMDS provides a platform for dissemination of research findings, new research areas and techniques, conceptual developments and articles with practical applications and contribution to society.

Species Richness and Endemism of Herpetofauna in Kapatagan Watershed, Philippines
Yunalyn Labajo-Villantes, Jonas T. Hingco, Mark Anthony M. Manapsal

Due to the increasing threats in Kapatagan Watershed, the local government declared that the area is in a critical state. Herpetofauna is a good bioindicator of the watershed health but it is poorly known in the area. Hence, a study of the species richness and endemism of herpetofauna in Kapatagan Watershed was conducted. Field sampling for amphibians and reptiles in upland, riverine, lowland, and mangrove areas in the watershed ecosystem using the visual encounter and cruising methods resulted in records documenting the occurrence of 30 herpetofauna species composed of 11 amphibiansand19 reptiles. Fourteen (47%) of the total number of herpetofauna species are Philippine endemic. Five species that are classified as "Vulnerable" to extinction were documented including the two endemic amphibians, Megophrysstejnegeri and Rhacophorus bimaculatus, and the two endemic reptiles, Hydrosaurus pustulatus and Tropidonophis dendrophiops. Forested sites in upland areas had the highest species richness (N = 26) and calculated species diversity (H'=1.271), while the rice fields in lowland had the lowest values. Hunting for human subsistence and land conversion are human-related threats to the herpetofauna in the watershed. The presence of threatened endemic species indicates the need to protect the Kapatagan Watershed as an important habitat resource for herpetofaunal populations.

KEYWORDS: amphibians, bioindicator, ecosystem, reptiles, vulnerable
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