00000ctmaa22000004a 4500 UP-1685675941123957763 Buklod 20170922162054.0 aa rb |||1 u| ta 170101s2017 xx a r |||| u|eng d (iLib)UPTAC-00018883447 UPVTC eng LG 993.5 2017 B5 A23 Abarsosa, Charo C. author. Diversity and abundance of Sargassum (Fucales, Sargassaceae) species in the southern coasts of Eastern Samar, Philippines Charo C. Abarsosa; Dioli Ann O. Payo, adviser. 2017. x, 95 leaves illustrations 31 cm. text rdacontent unmediated rdamedia volume rdacarrier Undergraduate thesis (B.S. Biology) -- University of the Philippines Visayas Tacloban College, May 2017. The genus Sargassum exhibits the most complex morphology among the members of the order Fucales. Sargassum plants consist of holdfast, stem, leaves, vesicles and receptacles important for identification. It shows a high degree of morphological differentiation, thus considered the most anatomically complex genera in the Phaeophyta limiting the number of workers engaged in Sargassum investigations. This study assessed the diversity and abundance of Sargassum species in the southern municipalities of Eastern Samar, namely: Hernani, General MacArthur, Salcedo, Mercedes and Guiuan. Sargassum species were surveyed and collected from five sampling sites from January 2017 to February 2017. Three sampling stations were established for each site. Percent cover for each morphologically-distinct Sargassum species was determined following a modified random quadrat sampling methods. A total of 18 Sargassum species were collected with eleven identified (S. crasssifolium, S. oligocystum, S. plagiophyllum, S. siliquosum, S. polycystum, S. aquifolium, S. gracillimum, S. heterocystum, S. ilicifolium, S. ilicifolium var acaraeocarpum, S. alternato-pinnatum, and Sargassum sp 1 sensu Trono) and seven unidentified species. Sargassum siliquosum was the most abundant species. The coast in Hernani, Samar had the highest species richness with nine species. Sargassaceae. Sargassum Philippines Eastern Samar. Payo, Dioli Ann O. adviser. FI UP UPTAC UPTAC LG 993.5 2017 B5 A23 Thesis