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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/329

Title: Species diversity of the Mangrove Forest in Pasuquin, Ilocos Norte
Authors: Lu-Gonzales, Arlene
Issue Date: Mar-2010
Abstract: This study was conducted to determine the species diversity of both mangrove flora and fauna found in the Nagabungan mangrove forest in Pasuquin, Ilocos Norte. Field sampling was employed in order to obtain the necessary data to be used in computing for the diversity of the different species found in the different sampling sites specifically considering the zonation of the mangrove forest. There were 8 species of mangrove trees identified, the dominant of which are Rhizopora stylosa, Avecinnia marina and Sonneratia alba. The landward zone was the most diverse in terms of the mangrove flora. A total of 30 species of bony fishes under Class Pisces were caught and identified in the Fish Aggregating Device (FAD). The middleward zone was the most diverse among the three sites and the least diverse was the landward site for species caught in the FAD. The mollusks were the most abundant and diverse at the seaward zone. Twenty three (23) species of mollusks were identified, majority were univalves with 14 species and 9 species of bivalves. There were only 2 species of crustaceans, the hermit crab which was the most dominant species rivaling that of the different fish species and the blue crab. Only sea cucumbers (Echninoderms) were observed to be present in the study area. Anthropogenic activities influenced species diversity in the mangrove forest. Areas of the mangrove forest that are of greater proximity to settlements made this site more vulnerable to exploitation. The middleward and seaward areas are less exposed to human activities thus they maintained a greater population density and diversity compared to the landward site. This was especially true with the faunal species.
Description: Thesis (M.S. : Environmental and Conservation Biology). -- Saint Louis University, Baguio City, 2010.
URI: http://hdl.handle.net/123456789/329
Appears in Collections:School of Natural Sciences

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