KEANEKARAGAMAN, KESERAGAMAN, DAN DOMINANSI BIVALVIA DI AREA BUANGAN LUMPUR LAPINDO MUARA SUNGAI PORONG

This research aimed to understand the community structure of bivalve in river delta of Porong which used for Lapindo mud wash out. Material in this research was macrozoobenthos collected from Porong river delta and their associated ambient environment parameter. Community structure analysis included were diversity, eveness and dominance index. Result showed that there was no bivalve found in Porong river Delta