publication . Article . Other literature type . 2009

Reproductive cycle of the rissoid Alvania mediolittoralis Gofas, 1989 (Mollusca, Gastropoda) at São Miguel Island (Azores, Portugal)

Ávila, S. P.; Melo, P. J.; Lima, A.; Amaral, A.; António Martins; Rodrigues, A.;
  • Published: 01 Jan 2009
  • Country: Portugal
Abstract
Copyright © 2008, Taylor & Francis. The reproductive cycle of an Alvania species is studied for first time. Alvania mediolittoralis Gofas, 1989 is an endemic Azorean rissoid very common in sheltered places and particularly abundant among the algal turf covering the lower half of the intertidal and upper subtidal rocky shores. This species reproduces throughout the year, with two spawning peaks, one during early spring and the other in late autumn. In an attempt to relate to current paleobiogeographical studies, inferences are made regarding the ecological advantages of species with a continuous type of reproduction, on Azorean shores, during glacial episodes. SF...
Subjects
free text keywords: Alvania, Rissoidae, Reproductive Cycle, Gametogenesis, Pleistocene, Developmental Biology, Animal Science and Zoology, biology.organism_classification, biology, Mollusca, Glacial period, Rocky shore, Ecology, Fishery, Intertidal zone, Gastropoda
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publication . Article . Other literature type . 2009

Reproductive cycle of the rissoid Alvania mediolittoralis Gofas, 1989 (Mollusca, Gastropoda) at São Miguel Island (Azores, Portugal)

Ávila, S. P.; Melo, P. J.; Lima, A.; Amaral, A.; António Martins; Rodrigues, A.;