Wave energy and intertidal productivity

DOI Web Site 被引用文献4件
  • Egbert G. Leigh
    Smithsonian Tropical Research Institute, Apartado 2072, Balboa, Panama
  • Robert T. Paine
    Department of Zoology NJ-15, University of Washington, Seattle, WA 98195
  • James F. Quinn
    Division of Environmental Studies, University of California at Davis, Davis, CA 95616
  • Thomas H. Suchanek
    Division of Environmental Studies, University of California at Davis, Davis, CA 95616

抄録

<jats:p> In the northeastern Pacific, intertidal zones of the most wave-beaten shores receive more energy from breaking waves than from the sun. Despite severe mortality from winter storms, communities at some wave-beaten sites produce an extraordinary quantity of dry matter per unit area of shore per year. At wave-beaten sites of Tatoosh Island, WA, sea palms, <jats:italic>Postelsia palmaeformis</jats:italic> , can produce > 10 kg of dry matter, or 1.5 × 10 <jats:sup>8</jats:sup> J, per m <jats:sup>2</jats:sup> in a good year. Extraordinarily productive organisms such as <jats:italic>Postelsia</jats:italic> are restricted to wave-beaten sites. Intertidal organisms cannot transform wave energy into chemical energy, as photosynthetic plants transform solar energy, nor can intertidal organisms “harness” wave energy. Nonetheless, wave energy enhances the productivity of intertidal organisms. On exposed shores, waves increase the capacity of resident algae to acquire nutrients and use sunlight, augment the competitive ability of productive organisms, and protect intertidal residents by knocking away their enemies or preventing them from feeding. </jats:p>

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