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Food Habits and Distribution of the Lake Taal Sea Snake(Hydrophis semperi Garman 1881) and the Sympatric Little File Snake(Acrochordus granulatus Schneider 1799) in Lake Taal, Philippines

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Asian Herpetological Research 2014年第4期5卷 255-262页

作者： Vhon Oliver S.GARcIA Rey Donne S.PAPA Jonathan carlo A.BRIONES Norman MENDOZA Noboru OKUDA arvin c.diesmos The Graduate School University of Santo Tomas Research center for the Natural and Applied Sciences University of Santo Tomas Department of Biological Sciences University of Santo Tomas Department of Science and Technology Philippine Nuclear Research Institute center for Ecological Research Kyoto University Herpetology Section Zoology Division National Museum of the Philippines

Our knowledge about the food habits of sea snakes and how it is associated with their distribution has seen much development through its description across a number of species available through published literature except for the key threatened species such asHydrophis semperi. This paper aims to describe the food habits ofH. semperi through gut content and stable isotope analyses. We also compared data with the Little File Snake,Acrochordus granulatus, sympatric withH. *** captures ofH. semperi suggest that the sea snake tends to occur in the littoral zones and the shallower portions of the limnetic zone. Gut content analysis ofH. semperi have shown that gobies and eels are primary prey items. Halfbeaks （Family Hemiramphidae） were recorded as one of the Lake Taal Sea Snake＇s prey items which is considered as a new prey record for sea snakes. These extracted gut contents are conifrmed to be the temporal food preference ofH. semperi given our detected stable isotope signatures. It appears thatA. granulatus and H. semperi share common prey items suggesting possible diet overlap and resource *** study reports the ifrst account of the endemic Lake Taal Sea Snake＇s distribution and food habits which poses implications towards its conservation as it occurs in a restricted ecosystem that has undergone considerable habitat alteration.

关键词： freshwater diet feeding Hydrophis semperi Hydrophiidae

Amphibians and Reptiles of Luzon Island,V:The Herpetofauna of Angat Dam Watershed,Bulacan Province,Luzon Island,Philippines

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Asian Herpetological Research 2011年第4期2卷 177-198页

作者： David S.McLEOD cameron D.SILER arvin c.diesmos Mae L.diesmos Vhon S.GARcIA Angela O.ARKONcEO Kelvin L.BALAQUIT charlene c.UY Mariden M.VILLASERAN Earle c.YARRA Rafe M.BROWN Natural History Museum and Biodiversity Research center Department of Ecology and Evolutionary BiologyUniversity of Kansas LawrenceKS 66045-7561USA Herpetology Section Zoology DivisionPhilippine National MuseumRizal ParkBurgos St.Ermita 1000ManilaPhilippines University of Santo Tomas Espana BoulevardSampaloc 1015ManilaPhilippines

We report amphibian and reptile distribution records based on recent biodiversity surveys conducted at the Angat Watershed Reservation, Bulacan Province, Luzon Island, Philippines. This watershed constitutes the principal water source for Manila, the Philippines＇ largest metropolitan area. As virtually nothing is known of the herpetological diversity of the immediate area and the surrounding Bulacan Province, all species recorded as part of our surveys constitute major geographical records and/or significant range extensions. Our data result in a total of 63 new records of amphibian （19 frogs） and reptile （22 lizards, 2 turtles, and 20 snakes） species for this protected area （and immediate vicinity） that serves as a watershed for the major metropolitan area of Manila and surrounding cities. Together with the few previous literature records, our new records bring the total number of amphibian and reptile species for Bulacan Province to 68. We discuss several strategies for future survey work （focusing on habitat type, seasonal variation, and elevational variability） that we anticipate will result in increased knowledge of diversity within the Angat Watershed Reserve. The impressive level of herpetological diversity within such a small area, so close to Metro Manila, emphasizes that the diversity and distribution patterns of amphibians and reptiles from Luzon are still poorly known and in need of further study.

关键词： amphibians Anagat Dam diversity Philippines reptiles

Amphibians and Reptiles of cebu,Philippines：The Poorly Understood Herpetofauna of an Island with Very Little Remaining Natural Habitat

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Asian Herpetological Research 2016年第3期7卷 151-179页

作者： christian E.SUPSUP Nevong M.PUNA Augusto A.ASIS Bernard R.REDOBLADO Maria Fatima G.PANAGUINIT Faith M.GUINTO Edmund B.RIcO arvin c.diesmos Rafe M.BROWN Neil Aldrin D.MALLARI Fauna and Flora International- Philippines Foggy Heights Subdivision Brgy. San Jose Tagaytay City Philippines Biology Department De La Salle University 2401 Taft Avenue Manila Philippines cebu Biodiversity conservation Foundation 41 Edison Street Lahug Cebu City Cebu cebu Technological University - Argao campus Ed Kintanar Street Lamacan 6021 Argao Cebu Philippine National Museum Zoology Division Herpetology Section. Rizal Park Buvg os St. Manila Philippines Department of Ecology and Evolutionary Biology and KU Biodiversity Institute University of Kansas Lawrence Kansas 66045 USA

Despite its proximity to other well studied islands, cebu has received little attention from herpetologists, most likely because of early deforestation and the perception very little natural habitat remains for amphibians and reptiles. In this study, we present a preliminary assessment of island＇s herpetofauna, focusing our field work on cebu＇s last remaining forest fragments and synthesizing all available historical museum distribution data. We surveyed amphibians and reptile populations using standardized methods to allow for comparisons between sites and assess sufficiency of sampling effort. Fieldwork resulted in a total of 27 species recorded from five study sites, complementing the 58 species previously known from the island. Together, our data and historical museum records increase the known number of cebu＇s resident species to 13 amphibians（frogs） and 63 reptiles（lizards, snakes, turtle, crocodile）. We recorded the continued persistence cebu＇s rare and endemic lizard（Brachymeles cebuensis） and secretive snakes such as Malayotyphlops hypogius, and Ramphotyhlops cumingii, which persist despite cebu＇s long history of widespread and continuous habitat degradation. Most species encountered, including common and widespread taxa, appeared to persist at low population abundances. To facilitate the immediate recovery of the remaining forest fragments, and resident herpetofauna, conservation effort must be sustained. However, prior to any conservation interventions, ecological baselines must be established to inform the process of recovery.

关键词： persist likely historical habitat remaining resident island facilitate museum populations