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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. (Ed.) Adaptation and Evolution in Marine Environments, Volume 1. The Impacts of Global Change on Biodiversity. From Pole to Pole, : pp. 75-96. hdl.handle.net/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.. hdl.handle.net/10.1007/978-3-642-27352-0, meer
In: From Pole to Pole. Springer: Heidelberg; Berlin. ISSN 2193-7338; e-ISSN 2193-7346, meer
Peer reviewed article  

Beschikbaar in  Auteurs 
    VLIZ: Open Repository 251912 [ OMA ]

Trefwoorden
    Aquatic organisms > Marine organisms > Fish > Marine fish
    PS, Antarctica [Marine Regions]
    Marien
Author keywords
    molecular ecology

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

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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