||Function of Marshes in Reducing Eutrophication of Estuaries of the Middle Atlantic Region.
Axelrad, D. M. ;
Bender, M. E. ;
Moore., K. A. ;
||Virginia Inst. of Marine Science, Gloucester Point.
||OWRR-B-027-VA; W74-07336 ; OWRR-B-027-VA(1)
Biochemical cycles ;
Carbon cycle ;
Phosphorus cycle ;
Nitrogen cycle ;
Primary biolobical productivity ;
Water quality ;
Ware Creek ;
Carter Creek ;
Salt marshes ;
Sediment water interactions ;
||Some EPA libraries have a fiche copy filed under the call number shown.
Annual nitrogen, phosphorus and carbon budgets for two Virginia salt marshes were determined by monthly measurements of water discharge and constituent concentrations over tidal cycles. Considering all three forms of phosphorus measured (total, dissolved organic and orthophosphate) there was a net loss from the estuary to the marshes. Nitrogen flux data show a loss of nitrate and nitrite to the marshes. Carbon flux data show significant contributions of both particulate and dissolved organic carbon to the estuary from the marshes.