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Carbon Cycle in Sediment-Water Systems^1,2,

ABSTRACT

The availability of the specific molecular forms of carbon needed by different organisms regulates species selection, morphogenic response, and production of biomass.

This paper reviews the literature relevant to the extent and rate of carbon exchange between sediment and water and discusses the general implication of the role of carbon in regulating biological activity.

Key Words: carbon exchange • sinks • nutrient cycling • aquatic ecosystems • carbon dioxide

¹ Paper presented Aug. 18, 1971, in New York City at the annual meeting of the ASA as part of the Division S-2 symposium "Sediments and Water Quality."

² Mention of commercial products does not necessarily constitute endorsement by the Environmental Protection Agency.

³ Environmental Protection Agency, Nat'l. Env. Res. Center-Corvallis; Southeast Water Lab., Nat'l Pollutants Fate Res. Prog., College Station Road, Athens, Georgia 30601. Mr. Craven is currently at the Richard B. Russell Agr. Res. Center, USDA, College Station Road, Athens, Georgia 30601.

Received for publication September 2, 1971.