Distribution of Macrozoobenthos Species and Communities in Bulaksetra Estuary

Abstract

Distribution of macrozoobenthos species and communities is influenced by several factors, one of the very influential factor is the environment. This research aims to study the diversity and distribution patterns of macrozoobenthos and the environment conditions that influence it. Samples were taken from 31 research stations that spread along the Bulaksetra estuary. Determination of sampling points is done by randomly making zoning point so that the sample points can represent the characteristics of the entire Bulaksetra estuary zone. The data analysis used in this study were the species composition formula, individual abundance, Shannon Wiener diversity index, uniformity index, and Simpson dominance index. The results showed that 12 species of macrozoobenthos consist of 9 genus, 6 families, 4 classes and 2 phylum, with species composition dominated by Faunus ater 64.04%, average individual abundance of 239.95/m2, moderate diversity, moderate uniformity, and dominance of biota types faunus ater is classified as moderate but for other types classified as low.

Biodiversity and community assemblages of freshwater and marine macrozoobenthos in Gorontalo Waters, Indonesia

“…The marine area is still composed of five classes, yet the percentage is slightly different where Gastropods still dominate by 6.25%, followed by Malacostraca (9.9%), Polychaeta (2.8%), Bivalvia (1.03%), and Polyplacophora (0.04%). A species from the Gastropods class also dominates Bulaksetra Estuary (Krisnafi et al 2021). Echinoderms and Gastropods are the two major classes that make up the macrozoobenthos community in the coastal waters of Marsegu Island (Yunita et al 2018).…”

Macrozoobenthic Community Structure in the Kemayungan-Linduk Waters, Banten Bay

“…The high environmental variability and dynamism of estuarine environmental factors might stress these ecosystems and influence macrozoobenthic distribution, which is also influenced by the high degree of anthropogenic influences [10][11]. Previous studies on macrozoobenthic in the estuary and coastal waters in Indonesia were conducted in several locations, such as in the estuary of Donan River, Cilacap [12], Tanjung Pasir Coastal, Banten [13], Coastal Waters of Marsegu Island, Maluku [14], Semarang Coastal, Central Java [15], and Bulaksetra Estuary, Pangandaran, West Java [16]. Macrozoobenthic communities in the Kemayungan-Linduk waters, on the other hand, have never been reported.…”