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    Aymes, J.C. Vignon, M. Beall, E. Guéraud, F. and Gaudin, P. 2016. Age validation of the Kerguelen Islands brown trout, Salmo trutta L., and selection of the otolith optimal zone for investigating chronological data series. Fisheries Research, Vol. 176, p. 22.


    Gomez, Céline Despinoy, Marc Hamon, Serge Hamon, Perla Salmon, Danyela Akaffou, Doffou Sélastique Legnate, Hyacinthe de Kochko, Alexandre Mangeas, Morgan and Poncet, Valérie 2016. Shift in precipitation regime promotes interspecific hybridization of introducedCoffeaspecies. Ecology and Evolution, Vol. 6, Issue. 10, p. 3240.


    McGeoch, Melodie A. Shaw, Justine D. Terauds, Aleks Lee, Jennifer E. and Chown, Steven L. 2015. Monitoring biological invasion across the broader Antarctic: A baseline and indicator framework. Global Environmental Change, Vol. 32, p. 108.


    Lecomte, Frédéric Beall, Edward Chat, Joëlle Davaine, Patrick and Gaudin, Philippe 2013. The complete history of salmonid introductions in the Kerguelen Islands, Southern Ocean. Polar Biology, Vol. 36, Issue. 4, p. 457.


    Dartnall, Herbert J.G. and Smith, Valdon R. 2012. Freshwater Invertebrates of Sub-Antarctic Marion Island. African Zoology, Vol. 47, Issue. 2, p. 203.


    Crawford, Stephen S. and Muir, Andrew M. 2008. Global introductions of salmon and trout in the genus Oncorhynchus: 1870–2007. Reviews in Fish Biology and Fisheries, Vol. 18, Issue. 3, p. 313.


    Potter, Sandra 2006. The Quarantine Management of Australia's Antarctic Program. Australasian Journal of Environmental Management, Vol. 13, Issue. 3, p. 185.


    1996. Naturalized Fishes of the World.


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Introduction and extinction of brown trout (Salmo trutta L.) in an impoverished subantarctic stream

  • J. Cooper (a1), J.E. Crafford (a2) (a3) and T. Hecht (a4)
  • DOI: http://dx.doi.org/10.1017/S095410209200004X
  • Published online: 01 May 2004
Abstract

Brown trout were introduced to the Van den Boogaard River on subantarctic Marion Island in 1964, and a small population became established. The last individual was seen in 1984, and the species is now considered to be extinct on the island. Their diet was exclusively allochthonous, with snails and spiders predominating. Ages estimated at six to eleven years showed that spawning must have occurred since the original introduction. Since the Van den Boogaard River enters the sea via a waterfall, it is postulated that trout were not able to practice an anadromous life-style, and that this, as well as other factors connected with the impoverished nature of the stream, led to dwarfing of the resident population. No further introductions of alien fish to Marion Island should be contemplated.

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Antarctic Science
  • ISSN: 0954-1020
  • EISSN: 1365-2079
  • URL: /core/journals/antarctic-science
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