Biodiversity in Forests over Limestone in Paranas, Samar Island Natural Park (SINP), A UNESCO World Natural Heritage Site Nominee
Keywords:
ecotourism, endemic species, kaigangan, Paranas, Philippines, protected areas, threatened species, UNESCO World Natural HeritageAbstract
This study provides a checklist of the vascular flora and terrestrial vertebrate fauna in forests over limestone in Paranas, Samar Island Natural Park (SINP), Philippines, a UNESCO World Natural Heritage Site nominee. Nine 20x20m plots and 18 line transects were established for the floral inventory. The faunal assessment was conducted in transects laid in three sites within Paranas. Secondary data was collected from published articles regarding biodiversity in Samar Island Natural Park (SINP). The list shows 99 plant species representing 63 genera and 44 families. Eighteen species were identified as non-endemic and 38 species were Philippine endemics. New island records of Tectaria calcarea (C. Presl) Copel., Artocarpus rubrovenius Warb. and Hancea wenzeliana (Slik) S.E.C.Sierra, Kulju & Welzen were also reported. Eleven plants are listed as endangered in the IUCN Red List and/or DENR DAO 2017-11. Also, 106 vertebrates were recorded in a faunal inventory, including 4 amphibians, 9 reptiles, 84 avifauna, and 9 mammal species, with overall endemism of 71 (67%). A new locality record of Platymantis bayani was noted in Paranas. Twenty-one vertebrate species were listed as threatened in the IUCN Red List and/or DENR DAO 2019-09. This biodiversity information strengthens the nomination of SINP as a UNESCO World Natural Heritage Site, as this supports SINP’s outstanding universal value. The checklist is also essential for the formulation of policies and management strategies for the conservation and protection of kaigangan (forest over limestone).
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