Spatial distribution and interannual variations in the size frequency distribution and abundances of Pleuragramma antarcticum larvae in the Dumont d’Urville Sea from 2004 to 2010

This paper investigates the abundance and distribution of Pleuragramma antarcticum larvae by size class in the Dumont d’Urville Sea from 2004 to 2010. Samples were collected between Dumont d’Urville station and the Mertz Glacier Tongue onboard the RV l’Astrolabe for studying the inter-annual and spa...

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Bibliographic Details
Published in:Polar Science
Main Authors: Koubbi, Philippe, O'Brien, Colleen, Loots, Christophe, Giraldo, Carolina, Smith, Martina, Tavernier, Eric, Vacchi, Marino, Vallet, Carole, Chevallier, Jean, Moteki, Masato
Format: Text
Language:English
Published: Elsevier Science Bv
Subjects:
geo
envir
Commonwealth Bay
Dumont d’Urville
Mertz Glacier
Mertz Glacier Tongue
Antarc*
D’Urville Sea
Polar Science
Sea ice
Online Access:https://doi.org/10.1016/j.polar.2011.02.003
https://archimer.ifremer.fr/doc/00069/17992/15528.pdf
https://archimer.ifremer.fr/doc/00069/17992/15546.pdf
https://archimer.ifremer.fr/doc/00069/17992/
Description
Summary:This paper investigates the abundance and distribution of Pleuragramma antarcticum larvae by size class in the Dumont d’Urville Sea from 2004 to 2010. Samples were collected between Dumont d’Urville station and the Mertz Glacier Tongue onboard the RV l’Astrolabe for studying the inter-annual and spatial distribution of fish larvae and the TRV Umitaka Maru for looking at life stages vertical distributions. The seabed depression adjacent to the Mertz Glacier Tongue and in Commonwealth Bay hosted high abundances of small P. antarcticum larvae, while larger larvae were found in lower abundance and further offshore. We found that canyons, sea ice, stability of the water column and temperatures are important features for determining suitable areas for young larvae.

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