Community Structure of Epiphytic Diatoms on Seagrass Leaves Thalassia hemprichii in Cindakir Beach Kabung Bay, West Sumatra Windy Lasma Sari Purba ; Efriyeldi Efriyeldi ; Sofyan Husein Siregar Journal of Coastal and Ocean Sciences 2 Okt 2026 10.31258/jocos.7.1.58-65