By Ai Solihat, Ario Damar1 & Fery Kurniawan
Tangerang Regency has continued to rehabilitate its coastal ecosystems, especially mangrove areas that have been converted into ponds and abandoned. One of the functions of the mangrove ecosystem is as a habitat for biota, including macrozoobenthos. The replanting of mangroves is an effort to maintain the balance of the aquatic ecosystem. This study aimed to analyze mollusk diversity in the mangrove rehabilitatedarea in Tangerang. Biota sampling was carried out from February to March 2022 in Ketapang Village as station 1, Patramangala Village as station 2, and Tanjung Pasir Village as station 3 by applying a 1×1 m2quadratic transects. Mollusks sampling was performed with 15 repetitions on each plot at three stations. Water quality data collection is carried out directly in the field. The mollusks found were from the class bivalves and class gastropods. In general, mollusk abundance is the number of individual mollusks in an area. The composition of the mollusk species found were class bivalves (42%) and class gastropods (58%). The three villages' highest diversity index, uniformity index, and dominance index were 1,8882, 0,6294, dan 0,5183. The study results showed that the rehabilitation of mangroves couldbecome a habitat for mollusks with fairly high diversity. The length of time mangrove planting can affect the presence of macrozoobenthos, such as mollusks.This is a good indication of the success of rehabilitation and ecosystemhealth.
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