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Connectivity and molecular ecology of Antarctic fishes Volckaert, F.A.M.; Rock, J.; Van de Putte, A.P. (2012). Connectivity and molecular ecology of Antarctic fishes, in: di Prisco, G. et al. Adaptation and Evolution in Marine Environments, Volume 1. The Impacts of Global Change on Biodiversity. From Pole to Pole, : pp. 75-96. http://dx.doi.org/10.1007/978-3-642-27352-0_5 In: di Prisco, G.; Verde, C. (Ed.) (2012). Adaptation and Evolution in Marine Environments, Volume 1. The Impacts of Global Change on Biodiversity. From Pole to Pole. Springer: Berlin. ISBN 978-3-642-27352-0. xxiv, 222 pp. http://dx.doi.org/10.1007/978-3-642-27352-0 In: From Pole to Pole. Springer: Heidelberg; Berlin. ISSN 2193-7338; e-ISSN 2193-7346

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 251912 [ download pdf ]

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Trefwoorden

Aquatic organisms > Marine organisms > Fish > Marine fish PS, Antarctica [Marine Regions] Marien/Kust

Author keywords

molecular ecology

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Auteurs		Top
Volckaert, F.A.M. Rock, J. Van de Putte, A.P.

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Abstract

Intraspecific biodiversity is affected by homogenizing factors, mostly through gene flow, and differentiating factors such as mutation, genetic drift and selection. At first sight, the structure of fish populations of the Southern Ocean should be under influence of the Circumpolar Antarctic Current. Some species do indeed show evidence for strong connectivity, with genotypes being shared across the full range. However, species-specific life-history traits and local factors influence the patterns of many taxa such that distinct populations have evolved. Also global change (fishing and climate change) measurably impacts genetic structure, such that ma­nagement measures are needed. Quota systems have been implemented for some time, while the delineation of marine protected areas is in progress.

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