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Spatial And Temporal Changes In Subtidal Benthic Crustaceans Along A Coastal River-Estuarine Gradient In Mississippi, Mark S. Peterson
Spatial And Temporal Changes In Subtidal Benthic Crustaceans Along A Coastal River-Estuarine Gradient In Mississippi, Mark S. Peterson
Gulf and Caribbean Research
Benthic crustaceans were collected monthly between 24 August 1985 and 20 September 1986 from tidal freshwater (TFW), oligohaline (OH) and mesohaline (MH) sites in Old Fort Bayou, a black-water tidal river of the Biloxi Bay estuary, Mississippi. Salinity varied seasonally and spatially and was primarily related to variations in rainfall during this study. Reduced rainfall after October 1985 resulted in the upstream movement of saline water and a concommitant shift in benthic crustaceans upstream with this change in the physical-chemical environment. This shift is supported by a significant positive concordance of ranks between salinity and relative abundance of Gammarus sp. …