||Streamside Effect in a 'Carex lyngbyei' Estuarine Marsh: The Possible Role of Recoverable Underground Reserves.
Gallagher, J. L. ;
Kibby, H. V. ;
||Delaware Univ., Lewes. Coll. of Marine Studies.;Corvallis Environmental Research Lab., OR.
Aquatic plants ;
Primary biological productivity ;
Rates(Per time) ;
Seasonal variations ;
Carex lyngbyei ;
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In a comparison of streamside and back marsh stands of Carex lyngbyei in an Oregon estuarine marsh, the maximum biomass and net annual aerial primary productivity of the streamside stands were 50% higher. Aerial productivity rates on a unit of biomass basis were similar except during the late winter-early spring period and in the fall. Studies of recoverable underground photosynthate reserves coupled with the net aerial primary productivity measurements indicate the timing of growth and the mobilization of reserves were important factors in the streamside effect (greater biomass and net annual aerial primary productivity). (Copyright (c) 1981 Academic Press Inc. (London) Ltd.)