February 1st to 5th 2016
Olhão, Portugal
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Malacological survey at the Las Piñas-Parañaque Critical Habitat and Ecotourism Area (LPPCHEA): A listing of molluscan species in a critical habitat

Scientific Exhibition
Habitat Loss and Ocean Noise
Thursday, February 4, 2016 -
17:30 to 19:30

Ocampo, M.A. 1 Chavez, G.C. 2 Aguila, C.C. 3

1Department of Biology, University of the Philippines Manila
2Department of Biology, University of the Philippines Manila
3Department of Biology, University of the Philippines Manila

Las Piñas-Parañaque Critical Habitat and Ecotourism Area (LPPCHEA) in Manila Bay, Philippines is the only critical habitat located within Metropolitan Manila. It hosts about 5,000 heads of migratory and native species that feed on its mudflats and breed in its mangrove forests. It is part of the East-Asia Australasian Flyway (EAA Flyway). It has been included in the Ramsar List of Wetlands of International Importance. A malacological survey was done along its intertidal zone to provide a listing of molluscs present in the area. The sampling protocol utilized was adapted from the Natural Geography In-Shore Areas (NaGISA) method for rapid and regular monitoring of beach and shoreline sites. Samples were collected from three sites in LPPCHEA within three successive weekends (November 2012). Thirty four molluscan families were identified, 15 of which belonged to Class Bivalvia and 19 to Class Gastropoda. Twenty eight species were bivalves and 35 were gastropods. Based on literature, 22 molluscan families appear to be possible sources of the birds’ nourishment. The study area is ecologically important as it houses a diverse species of birds that feed on its molluscs. Threats, however, are present in the area, such as pollution from nearby cities, reclamation projects and mangrove cutting. The study provides baseline data that could support conservation efforts in the area.
keywords: 
Manila Bay, LPPCHEA, intertidal zone, wetland, molluscs

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