DIVERSITY AND DOMINANCE OF PLANKTON IN POND WATERS OF SOUTH BANAWA DISTRICT AFTER THE 2018 EARTHQUAKE

South Banawa District is one of the areas in Donggala Regency which has best prospects pond aquaculture sector because this area potential to produce milkfish and shrimp. The earthquake tsunami 28 September 2018 damaged most ponds District. This study aimed analyze composition, diversity, dominance plankton fish shrimp farming Lalombi Tolongano Village. diversity index (H ́) two villages, namely Lalombi, ranges from 0.3040-1.0769 (phytoplankton), 0.4385-0.4610 (zooplankton) Tolongano, it 0.2219-1.2318 0-1.3297 (zooplankton). results are included low community category, means that condition unstable, so experiencing environmental disturbances, caused by changes structure soil texture due tsunami. values ranged 0.4227-0.9033 for 0-0.2778 Dominance close mean under current conditions there a dominant type but value was zero, no species dominating community. uniformity 0.1562-0.4957 those 0-0.9592.