Struktur Komunitas Gastropoda Di Perairan Sungai Indragiri Desa Koto Gunung K…

This study aimed to determine the structure of the gastropod community and to analyze the influence of environmental factors such as substrate type, water quality, and habitat conditions on its distribution in the Indragiri River, Koto Gunung Village. The research was conducted from May to July 2025 using a survey method. Sampling stations were determined using a purposive sampling approach bas…