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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Genetic diversity levels in fishery-exploited spiny lobsters of the genus palinurus (Decapoda: Achelata)
Journal of Crustacean Biology, Volume 30, No. 4, Year 2010
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Description
Most fisheries involving spiny lobsters of the genus Palinurus have been overexploited during the last decades, so there is a raising concern about management decisions for these valuable resources. A total of 13 microsatellite DNA loci recently developed in Palinurus elephas were assayed in order to assess genetic diversity levels in every known species of the genus. Microsatellite markers gave amplifications and showed polymorphism in all species, with gene diversity values varying from 0.650 ± 0.077 SD (Palinurus barbarae) to 0.792 ± 0.051 SD (Palinurus elephas). Most importantly, when depth distribution was taken into account, shallower water species consistently showed larger historical effective population sizes than their deeper-water counterparts. This could explain why deeper-water species are more sensitive to overfishing, and would indicate that overexploitation may have a larger impact on their long-term genetic diversity. © 2010 The Crustacean Society.
Authors & Co-Authors
Palero, Ferran
Austria, Klosterneuburg
Institute of Science and Technology Austria Ista
Abelló, Pere
Spain, Barcelona
Csic - Instituto de Ciencias Del Mar Icm
Macpherson, Enrique
Spain, Blanes
Csic - Centro de Estudios Avanzados de Blanes Ceab
Matthee, Conrad A.
South Africa, Stellenbosch
Stellenbosch University
Pascual, Marta
Spain, Barcelona
Universitat de Barcelona
Statistics
Citations: 9
Authors: 5
Affiliations: 5
Identifiers
Doi:
10.1651/09-3192.1
ISSN:
02780372
Research Areas
Environmental
Genetics And Genomics
Study Design
Cross Sectional Study