Hubungan parameter lingkungan dengan struktur komunitas gastropoda di perairan teluk kelabat, Bangka Belitung

Andi Abdullah, - and Dr. Sudirman Adibrata, ST., M.Si., - and Siti Aisyah, S,Pi., M.Si, - (2021) Hubungan parameter lingkungan dengan struktur komunitas gastropoda di perairan teluk kelabat, Bangka Belitung. Akuatik : Jurnal Sumberdaya Perairan, 15 (1). pp. 37-46. ISSN 26565498

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Abstract

Gastropods are invertebrate animals and members mollusca phylum that have a soft body, and use the abdomen as a legs. Gastropods generally have a shell to protect their body. The existence of the gastropods community play an important role in the food chain in aquatic ecosystems, and can be used as an indicator of waters pollution. This study aims to determine the species, analyze the community structure, and determine the relationship between gastropods and environmental parameters in Kelabat Bay. The time and place of this research was carried out in December 2020 to July 2021 in Kelabat Bay, West Bangka. The research method of this study that used to take a sample were belt Transect method along 50 m, with a stretch along 1 m to the right and to the left. The identification results showed that 19 species of gastropods were found, namely: Laevistrombus turturella, Cerithidea weyersi, Nassarius margaritiferus, Pleuroploca trapezium, Polinices didyma, Turritella terebra, Lataxiena fimbriata, Natica gualteriana, Pugilina cochlidium, Semiricinula nodosa, Cerithidea cingulata, Cymbiola nobilis octogonalis, Eunaticina papilla, Olivia sericea,Architectonica perdix, Murex concinnus, Olivia tricolor, Nassarius venustus, and Turbo bruneus. The Diversity Index (H') showed that it is 0,59, and the Evenness Index (E) is 0,59, and dominance indeks (C) is 0,26. Water quality parameter values include temperature ranging from 30-31 °C, salinity ranging from 28-30 ppt, brightness 65-100%, depth 0.19-0.69 cm, pH 7, DO ranging from 4.5-7.8 ppt.

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