Bacillariophyceae Diversity as Bioindicator of Pollution in the Coastal Waters of Klui Beach, North Lombok

Klui Beach is one of some famous beaches tourism destination in the Northern part Lombok Island which commonly visited by many tourists. Tourisms and resindents activities that take place around coast can produce various wastes have prominent impact on pollution, for reducing water quality. Bacillariophyceae a class phytoplankton abundant marine waters be used as an indicator controlling The objectives this study were to determine level pollution coastal based Bacillariphyceae diversity index. Haphazard sampling was applied determining sites. results showed composition species Bacilllariophyceae consisted 48 included 17 orders. Average abundance 298.09 ind/L (low category). spesies index 2.37 (moderate classified not polluted.