Community structure of the macrozoobenthos as a bioindicator of pollution in Domas Coastal Waters of Banten Bay
Ramadhanti Dwi Nugrahani, Majariana Krisanti, Sulistiono*

Department of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, IPB University (Bogor Agricultural University), Jl. Agatis, Dramaga, Bogor 16680, Indonesia.
*onosulistiono[at]gmail.com

Abstract

Banten Bay is a water area with a depth of 50m2 with various activities in the vicinity, fishery, industry, sand mining and coastal abration to cause disruption of the balance of the aquatic ecosystem. This study aims to analyze the community structure of macrozoobenthos associated with aquatic environment condition of Domas Coastal Waters, Banten Bay. Sampling was carried out from August 2021 to January 2022 at six stations. Analysis was conducted to estimate abundance, diversity, evenness and dominance indices. Based on this study, it was obtained there were 6 classes of the macrozoobenthos, namely Bivalvia (17 genera), Gastropoda (27 genera), Echinoidea (1 genera), Polychaeta (5 genera), Malacostraca (1 genera), and Hoplonemertea (1 genera). Bivalvia and Gastropods were found in all stations. The highest total density was at Station 5 (in January), which is 2151 ind/m2 and the lowest one was at Station 3 (in August), which was 18 ind/m2. The diversity index ranged from 0.6829 to 3.3994, the evenness index ranged from 0.2941 to 1.0000, while the dominance index ranged from 0.1091 to 0.5556. The diversity value was moderate, indicating that these waters are experiencing moderate ecological stress or moderate community stability.

Keywords: Aquatic environment- diversity- macrozoobenthos

Topic: Aquatic Biodiversity (International)