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Journal : Jurnal Ilmu dan Teknologi Kelautan Tropis

THE COMPOSITION OF SPESIES AND CHANGES IN REEF FISHES COMMUNITY AT ECOREEF REHABILITATION SITE, MANADO TUA ISLAND, BUNAKEN NATIONAL PARK Fakhrizal Setiawan; Tries B. Razak; Idris Idris; Estradivari Estradivari
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 5 No. 2 (2013): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (530.942 KB) | DOI: 10.29244/jitkt.v5i2.7566

Abstract

The study conducted from 2006 to 2012 with an interval of every two years in the ecoreef area of ​​ Manado Tua island found 2,936 individual reef fishes of 181 species that include into 32 families. Species composition value of the 10 dominant species of reef fishes was 55.48% of the total species. The highest number of species was Plotosus lineatus with schooling behavior which only discovered in 2010 at a depth of 3 meters. Ecoreef area of Manado Tua island, when analyzed from the abundance and biomass of reef fishes exhibited a succession of reef fish that have been stable, with peak abundance and higher biomass in 2008 and 2010. Reef fish found in ecoreef seemed to start a new living and become a new habitat for them. These were indicated by the highest biomass during the previous year but the number of individuals and spesies were decline. There was no change in the structure of reef fish communities in the ecoreef area of Manado Tua Island, which characterized by non significant different ecological index between the years. Cluster analyses grouped reef fish species into 2 groups i.e., the group of 2006 and the group of 2008, 2010, and 2012. Early survey in 2006 showed lower abundance of reef fish species for allegedly associated with low ecoreef organisms. Keywords:  ecoreef, spesies composition, community structure, reef fish.