KEANEKARAGAMAN MOLLUSCA DI HUTAN MANGROVE MENGARE GRESIK SEBAGAI PENYUSUN ENSIKLOPEDIA DAN MEDIA KATALASE RESIN

Tiara Pratista, Sri Utami

Abstract


A study was conducted in May 2019 in the Mengare Mangrove Forest of Gresik Regency. This study aims to determine the diversity of Mollusca as a bioindicator of the quality of waters in the region, as well as the making of encyclopedia teaching materials and handicrafts from the research results. Sampling consists of 4 transects with a size of 50 m x 50 m on each transect. Each transect contains 5 plots so the total is 20 plots. Data analysis included diversity index, water quality bioindicator based on diversity index, and encyclopedia and resin making based on research data. The results of the study found 13 types of Molluscs representing 2 classes of Gastropod and Bivalvia Classes. Mollusca diversity was calculated using the Shannon-Wienner (H ') diversity index. Diversity index results ranged from 00.2 to 0.20 in the medium category. Bioindicator of water quality by using diversity index shows that the area of Mangrove Forest Mengare in Gresik Regency is classified as not heavily polluted. The results of the validated encyclopedia analysis show that "very feasible" is used with a percentage of 91.6%.

 

Keywords: Mollusca, diversity, biondikaor.

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