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Primary Productivity Of Coastal Marshes In Mississippi, Armando A. De La Cruz

Gulf and Caribbean Research

The annual net primary production of nine types of marsh communities common in Mis­sissippi Gulf Coast estuaries were studied by means of the Harvest Method. Production values ranged from 600 g m^-2 yr^-1 for a Sagittaria lancifolia marsh to 2330 g m^-2 yr^-1 for a Phragmites communis marsh. Primary productivity values for the other marsh types are Juncus roemerianus - 1697 g m^-2 yr^-1, Scirpus robustus - 1056 g m^-2 yr^-1, Spartina cynosuroides - 2190 g m^-2 yr^-1, Spartina patens - 1922 g …