An inventory of gastropod species in the mangrove ecosystems of Nusa Lembongan, Bali

Abstract Research of the inventory gastropods in mangrove ecosystem Nusa Lembongan was carried out from July to August 2022. This descriptive research aims determine species and diversity gastropods. The study conducted using quadrant transect method at 54 points, 9 points each six vegetation zone. results showed that there were 20 7 families. families found Ellobiidae, Potamididae, Cerithiidae, Littorinidae, Columbellidae, Neritidae, Mitridae. abundance area ranged 1 - 241 ind/9m 2 , with highest being Clypeomorus pellucida lowest Nerita savieana N. undata . Gastropod index ranges 0.4 1.6 which is a moderate range.