Genetic diversity and differentiation of seven geographical populations of hard clam(Meretrix meretrix) assessed by COI and microsatellite markers Influence of biodeposition, respiration, and excretion of the buried clam Meretrix meretrix on the pelagic-benthic coupling in Shuangtaizi Estuary Assessment of marine environmental stress based on the integrated biomarker response index model: A case study in west coast of Guangxi.