Hydrobiologia

, Volume 142, Issue 1, pp 57–69 | Cite as

Aspects of the ecology of Patella spp. on the Portuguese coast

  • Miriam Tuaty Guerra
  • Maria Jose Gaudencio
Article

Abstract

Three species of the genus Patella were studied on the Portuguese coast as a specific contribution to the COST 647 programme. With little prior information existing, this paper presents new basic data on the geographical distribution, relative abundance, habitats, size-structure of populations, and reproductive cycles of P. depressa Pennant, 1777, P. aspera Roding, 1798, and P. vulgata L. 1758. Comparisons with N.W. Europe provide evidence of distinct latitudinal trends in the population dynamics and reproductive biology of these species.

Keywords

gastropods Patella spp. ecology breeding cycles longevity 

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Copyright information

© Dr W. Junk Publishers 1986

Authors and Affiliations

  • Miriam Tuaty Guerra
    • 1
  • Maria Jose Gaudencio
    • 1
  1. 1.Instituto Nacional de Investigação das PescasLisboaPortugal

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