摘要：We sampled bivalves in Mill Creek, a low-gradient stream in southwestern Louisiana, and found a comparatively diverse assemblage in a disturbed, chronically hypoxic stream. We found few bivalves in April, nearly 1,700 in June, but only 170 in September. Species richness varied temporally with one species in April, eight species in June, and three species in September. We suggest dissolved oxygen level plays a particularly important role in bivalve community dynamics in this stream.
