Population genetics of Tapes decussatus in the Lagoa de Santo Cristo, São Jorge : Preliminary results.

Backeljau, Thierry; Brito, Carlos P.; Rodrigues, Armindo; Morton, Brian; Verhagen, Ron; Willems, T.; Winnepennix, Brigitta

http://hdl.handle.net/10400.3/875

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Authors

Winnepennix, Brigitta

Abstract(s)

The Lagoa de Santo Cristo in São Jorge is the only place in the Azores where the venerid bivalve Tapes decussatus (Linnaeus, 1758) forms a well established and stable population. This is in itself already a remarkable situation, for the geographically nearest populations of this species live, as far as we know, along the Atlantic coasts of Portugal and Morocco. Thus the Azorean stock is separated from its neighbors by an oceanic gap of more than 1500Km. Another important characteristic of the Azorean Tapes population is the constant human pressure under which it survives. Indeed, Tapes is considered as a popular food item for human consumption and it has therefore been intensively fished in the Lagoa de Santo Cristo, even though in the last years several measures have been taken to regulate the Tapes fisheries.

Description

VIII Expedição Científica do Departamento de Biologia – Ilha do Faial - 1993.

Keywords

Population Genetics Tapes decussatus Lagoa de Santo Cristo (Açores) Ilha de São Jorge (Açores)

URI

http://hdl.handle.net/10400.3/875

Citation

BACKELJAU, T., C. BRITO, A. RODRIGUES, B. MORTON, R. VERHAGEN, T. WILLEMS & B. WINNIPENIX, (1994). Population genetics of Tapes decussatus in the lagoa de Santo Cristo, São Jorge : Preliminary results. "Relatórios e Comunicações do Departamento de Biologia", 22: 20-22.