Keanekaragaman dan Kelimpahan Bivalvia pada Ekosistem Mangrove di Desa Mananggu, Kabupaten Boalemo

Abstract

This study aims to determine the diversity and abundance index of bivalves in the mangrove ecosystem in Mananggu Village, Mananggu District, Boalemo Regency. Data collection in this study used a line transect method drawn from the sea to the land. The research location was divided into three stations, and each station consisted of three observation plots. The data collected were analyzed to determine the diversity and abundance. The results showed that there were seven types of bivalves, namely Anadara granosa, Anomia sol, Asaphis violascens, Gafrarium tumidum, Tellina timorensis, Leporimetis ephippium, Mactra maculata, with the highest diversity index value of 0.66 at Station III with moderate diversity category, and the lowest diversity index of 0.45 was found at Station I with a low diversity category. Species with the highest index was Asaphis violascens, and the lowest was Anomia sol, Leporimetis ephipium, Mactra maculata.