Kondisi Populasi Bulu Babi (Echinoidea) Dan Tutupan Terumbu Karang Pada Kawas…

ABSTRACT Poncan Godang Island is included in the appropriate category based on the suitability of land for the Sibolga tourist area, with the presence of tourism activities that can also affect the amount of biodiversity in it. Considering the importance of coral reefs for biodiversity and sea urchins which also have a role in coral reef ecosystems, it is necessary to conduct research on t…