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Population structure and recruitment in mytilid bivalves from the Lucky Strike and Menez Gwen hydrothermal vent fields (37°17'N and 37°50'N on the Mid-Atlantic Ridge) ArchiMer
Comtet, Thierry; Desbruyeres, Daniel.
Population structure and recruitment pattern of undescribed mytilid bivalves that dominate the animal communities associated with vents of the Lucky Strike and Menez Gwen hydrothermal vent fields (37 degrees 17' N and 37 degrees 50' N on the Mid-Atlantic Ridge) were studied from size-frequency analyses. Intra-site comparisons reveal that length-frequency distributions differ significantly from one location to the other. This spatial segregation of the sizes could be due to spatio-temporal variability in environmental conditions and to intraspecific competition processes, especially adult-larval interactions (competition for space and food resources, intraspecific larviphagy) that could prevent larvae from settling on surfaces covered by adults. A modal...
Tipo: Text Palavras-chave: Hydrothermal vents; Mytilidae; Recruitment; Population structure; Size frequency; Spatial segregation; Intraspecific competition; Mid-Atlantic Ridge.
Ano: 1998 URL: https://archimer.ifremer.fr/doc/00446/55799/62521.pdf
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