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Density variations and population structure of Eurydice inermis and E. truncata (Isopoda: Cirolanidae) in the neuston of Galway Bay (Ireland)
Tully, O.; O'Ceidigh, P. (1986). Density variations and population structure of Eurydice inermis and E. truncata (Isopoda: Cirolanidae) in the neuston of Galway Bay (Ireland). Cah. Biol. Mar. 27(2): 225-233
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 
  • Tully, O.
  • O'Ceidigh, P.

Abstract
    Three species of Eurydice, E. inermis, E. truncata and E. spinigera were recorded from the neuston at night from May to Sep. E. spinigera was rare. The other 2 species were abundant and although they showed an overdispersed distribution, significant monthly variation in density was detected in both species. The abundance of E. inermis was positively correlated with surface water temperatures, but E. truncata attained highest densities at lower temperatures. E. truncata released young earlier than E. inermis, growth rates were rapid in both species and there was some evidence of a second generation in E. inermis, which had an overwintering juvenile population.

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