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Aspects écologiques de la zonation intertidale sur les cotes rocheusesdes iles Galapagos = Ecological aspects of the intertidal zonation on the rocky shores of the Galapagos Islands
Houvenaghel, G.T.; Houvenaghel, N. (1974). Aspects écologiques de la zonation intertidale sur les cotes rocheusesdes iles Galapagos = Ecological aspects of the intertidal zonation on the rocky shores of the Galapagos Islands. Mar. Biol. (Berl.) 26(2): 135-152
In: Marine Biology. Springer: Heidelberg; Berlin. ISSN 0025-3162, more
Peer reviewed article  

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Keywords
    Abdomen; Biota; Community composition; Ecology; Environmental factors; Intertidal environment; Water temperature; ISE, Ecuador, Galapagos I. [Marine Regions]; Marine

Authors  Top 
  • Houvenaghel, G.T., more
  • Houvenaghel, N.

Abstract
    Features of the intertidal zonation on the rocky shores of the Galapagos Islands are described and discussed in relation to environmental factors, in particular temp -which varies with regional hydrology and climatology. Owing the thermal properties of the coastal waters and to the nature of the substrate (mainly basalt), intertidal organisms are exposed to a wide range of temps, which fluctuate with tide, day, and season. As a result, life is mostly restricted to the lowest levels of the shore; the middle-and upper-level populations are sparse. Local variations (biofacies) resulting from water agitation are described. Biota consist of tropical, subtropical, and warm-temperate components. Tropical spp dominate in sheltered areas and in middle and upper shores.

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