Size distribution of meso- and bathypelagic fish in the Dumont d'Urville Sea (East Antarctica) during the CEAMARC surveys

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概要

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• The pelagic fish community of the Dumont d'Urville Sea (East Antarctica) was investigated during the 2008 austral-summer using IYGPT (International Young Gadoid Pelagic Trawl) samples taken in different depth layers from the surface to 1000 m. The aim of this paper is to describe the mesopelagic fish community and its size distribution. The family Myctophidae dominated the mesopelagic ichthyofauna, while bathylagids were abundant in deeper hauls. Bathylagids, Cyclothone spp., Gymnoscopelus opisthopterus, Electrona antarctica, Protomyctophum bolini, and Krefftichthys anderssoni were the most abundant taxa in the samples and showed size stratification with depth. Community and size structuring appear to be influenced by the hydrology and by the proximity of the continental margin, as well as a relationship to the circulation of the Modified Circumpolar Deep Water.

著者

• 茂木 正人

  東京海洋大学海洋科学部魚類学研究室

• 茂木 正人

  東京海洋大学

• Masato Moteki

  Faculty Of Marine Science Tokyo University Of Marine Science And Technology 4-5-7 Konan Minato Tokyo

• Moteki Masato

  Laboratory Of Ichthyology Tokyo University Of Marine Science And Technology

• Moteki Masato

  Laboratory Of Ichthyology Tokyo University Of Fisheries

• Koubbi Philippe

  Upmc Universite Paris 06 Umr 7093 Laboratoire D'oceanographie De Villefranche Bp28 06234 Villef

• Moteki Masato

  Department Of Ocean Sciences Tokyo University Of Marine Science And Technology 4-5-7 Konan Minato 10

• Moteki Masato

  Department Of Ocean Sciences Tokyo University Of Marine Science And Technology 4-5-7 Konan Minato-ku

• Moteki Masato

  Faculty Of Marine Science Tokyo University Of Marine Sciences And Technology 4-5-7 Konan Minato Toky

• Pruvost Patrice

  MNHN, DMPA-UMR BOREA 7208, 43 rue Cuvier, 75005 Paris, France

• Pruvost Patrice

  Mnhn Dmpa-umr 7208 43 Rue Cuvier 75005 Paris France

• Labat Jean-Philippe

  UPMC Universite Paris 06, UMR 7093, Laboratoire d'Oceanographie de Villefranche, BP28, 06234 Villefr

• Hulley Percy-Alexander

  Iziko-South African Museum, P. O. Box 61, 8000 Cape Town, South Africa

• Henri Pauline

  UPMC Universite Paris 06, UMR 7093, Laboratoire d'Oceanographie de Villefranche, BP28, 06234 Villefr

• Wadleye Victoria

  Department of Sustainability, Environment, Water, Population and Communities, Australian Antarctic D

• Hiranof Daisuke

  Faculty of Marine Science, Tokyo University of Marine Sciences and Technology, 4-5-7 Konan, Minato,

• Hulley Percy-alexander

  Iziko-south African Museum P. O. Box 61 8000 Cape Town South Africa

• Hiranof Daisuke

  Faculty Of Marine Science Tokyo University Of Marine Sciences And Technology 4-5-7 Konan Minato Toky

• Wadleye Victoria

  Department Of Sustainability Environment Water Population And Communities Australian Antarctic Divis

• Labat Jean-philippe

  Upmc Universite Paris 06 Umr 7093 Laboratoire D'oceanographie De Villefranche Bp28 06234 Villef

• Henri Pauline

  Upmc Universite Paris 06 Umr 7093 Laboratoire D'oceanographie De Villefranche Bp28 06234 Villef

• Pruvost Patrice

  MNHN, DMPA-UMR 7208, 43 rue Cuvier, 75005 Paris, France

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