Keanekaragaman Dan Pola Distribusi Moluska (Gastropoda Dan Bivalvia) Di Bagia…

This research was conducted in July-August 2019 in the northern part of the Poncan Gadang Island Sibolga, North Sumatra Province. This study discusses the distribution and distribution patterns of mollusks (gastropods and bivalves) which contain species, density, and species discussed in the northern part of Poncan Gadang Island, North Sumatra Province. The method used is a survey method, w…