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Le genre hydrolithon (Rhodophyta, Corallinacea) sur les côtes subantarctiques et antartiques d'Argentine et de quelques regions voisines = Genus Hydrolithon (Rhodophyta, Corallinacea) from subantarctic and antarctic coasts of Argentina and from some neighbouring areas
Mendoza, M.L.; Cabioch, J. (1986). Le genre hydrolithon (Rhodophyta, Corallinacea) sur les côtes subantarctiques et antartiques d'Argentine et de quelques regions voisines = Genus Hydrolithon (Rhodophyta, Corallinacea) from subantarctic and antarctic coasts of Argentina and from some neighbouring areas. Cah. Biol. Mar. 27(2): 163-191
In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Mendoza, M.L.
  • Cabioch, J.

Abstract
    The genus Hydrolithon formerly known as a tropical entity is well diversified in the subantarctic and antarctic zone of Argentina and the neighbouring areas with five species: H. consociatum (Foslie) Mendoza, H. decipiens (Foslie) Adey, H. discoideum (Foslie) Mendoza et Cabioch, H. falklandicum (Foslie) Mendoza and H. subantarcticum (Foslie) Mendoza et Cabioch. The type-specimens preserved in the Foslie collection (TRH) have been studied and the five species are newly defined on the basis of their morphogenetical, cytological and reproductive characters. The general features of the vertical distribution of the five species are given in the intertidal zone. The persistence of the same succession of permanently immerged species in tidal pools suggests the predominance of light as an ecological factor for these algae. The general pattern of their geographical distribution is also proposed.

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