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International Conference on Climate Change Global Warming

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Trophic importance of Spartina alterniflora production and decomposition to the marsh-estuarine ecosystem

Author(s): Marinucci AC

Abstract

A re-evaluation of current data on production and decomposition of Spartina alterniflora in North American salt marshes, with regard to the role of these processes in the estuary, has resulted in the following generalisations. Aerial production of S. alterniflora over its geographical range lies between 550 and 2000 gm −2 year −1 by dry weight, with below-ground production being 0·5 to 7 times the aerial production. Production values for marshes in similar geographic areas show a high degree of variability.

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