Annual Phytoplankton Metabolism in Narragansett Bay Calculated from Survey Field Measurements and Microcosm Oberservations

摘要

Field surveys of phytoplankton metabolism, based on oxygen changes, were made in Narragansett Bay from 1971-73. Annual daytime net production varied from 218 g C per sq m per yr in the East Passage to 429 g C per sq m per yr in the Providence River. A set of microcosms, operated so as to simulate the Bay, had an annual net production of 276 g C per sq m per yr and a night respiration of 163 g C per sq m per yr resulting in an annual net carbon available for export or to the benthos of 113 g C per sq m per yr.