The primary productivity of marine macrophytes from a rocky intertidal community |
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Authors: | M M Littler S N Murray |
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Institution: | (1) Department of Population and Environmental Biology, University of California, Irvine, California, USA;(2) Department of Biological Science, California State University, Fullerton, California, USA |
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Abstract: | This study represents the first report of primary production rates for Southern California intertidal producers. The production rates of 18 marine macrophytes near Wilson Cove, San Clemente Island, are close to those for other marine algal communities. No apparent relationship was revealed between the productivity of an alga and the division to which it belongs; however, productivity was associated with growth form. Encrusting prostrate forms were the lowest producers in terms of g C/m2/h and g C/g dry weight/h; sheet-like and finely-branched forms showed a greater productivity than coarsely-branched forms. Gelidium pusillum and Ulva californica had considerably greater production rates than the other algae measured. |
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