Diversity of gastropods in Kapas Island, Indonesia

Gastropods are one of the constituents of benthic communities in waters and are found throughout the world, ranging from shallow, sandy, coral reefs to deep seas. Gastropods have several advantages, one of the most relevant is that they can be used as bioindicators of pollution. The purpose of this study was to determine the diversity and abundance of gastropods in Kapas Island, Indonesia. This research was conducted for two months on the coast of Kapas Island, Indonesia. Gastropod collection was carried out at 10 observation stations using three transect lines toward the sea and divided into three parts, namely upper intertidal, middle intertidal, and lower intertidal on each transect line. The distance between stations was ~ 150 m. Ninety plots of 1 m2 were set. Abundance and diversity were analyzed qualitatively. Results showed that gastropods consisted of 9 genera and 14 species. Among them, Cerithium sp. had the highest individual abundance (40.15%). The diversity index of gastropods in Kapas Island was 2.07 (medium diversity).