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Effects of the dominant SW Atlantic intertidal burrowing crab Chasmagnathus granulatus on sediment chemistry and nutrient distribution
Marine Ecology Progress Series
Through field experiments and chemical analysis of the sediment and pore water, we investigated the effect of the burrowing crab Chasmagnathus granulatus on the distribution and availability of electron acceptors in mudflat sediments. The results show that the presence and activity of C. granulatus and its burrows determine the chemical characteristics of pore water and the redox state of mudflat sediments. Crabs enhance the transport of particulate material in the sediment column, completelydoi:10.3354/meps341177 fatcat:5iabwvhbinb5po5olx7ug75poq