Keanekaragaman Kelas Crustacea Sub-Kelas Malacostraca pada Ekosistem Mangrove Pantai Padadita Kabupaten Sumba Timur

The purpose of this study was to determine the diversity Crustacea Class Diversity Subclass (Malacostraca) in mangrove ecosystem Padadita Beach, East Sumba Regency. research method used quadratic transect and analyzed using a quantitative descriptive approach with index formula Shannon-Wiener. This sampling technique, namely purposive plot size 2 x meters placed perpendicular depth 200 27 plots. environmental factors measured were temperature, salinity, degree acidity (pH) levelsoxygen (DO). Measurements made at each observation station. results showed that 5 species Crustaceans is Gelasimus vocans, Eriphia verrucosa, Ashtoret lunaris, Thalamita stimpsoni Metopograpsus latifrons. obtained moderate category value H’ =1,369.