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Status, role and control of Electrona antarctica in the Lazarev Sea
Van de Putte, A.; Beans, C.; Volckaert, F.; Hecq, J.-H. (2005). Status, role and control of Electrona antarctica in the Lazarev Sea, in: Mees, J. et al. (Ed.) VLIZ Young Scientists' Day, Brugge, Belgium 25 February 2005: book of abstracts. VLIZ Special Publication, 20: pp. 60
In: Mees, J.; Seys, J. (Ed.) (2005). VLIZ Young Scientists' Day, Brugge, Belgium 25 February 2005: book of abstracts. VLIZ Special Publication, 20. Vlaams Instituut voor de Zee (VLIZ): Oostende. X, 129 pp., more
In: VLIZ Special Publication. Vlaams Instituut voor de Zee (VLIZ): Oostende. ISSN 1377-0950, more

Available in Authors 
Document types: Conference paper; Summary

Keywords
    Electrona antarctica (Günther, 1878) [WoRMS]; Marine

Authors  Top 
  • Van de Putte, A., more
  • Beans, C.
  • Volckaert, F., more
  • Hecq, J.-H., more

Abstract
    The lanternfish, Electrona anarctica, is endemic to the Southern Ocean. It is a meso-plelagic that displays strong diurnal migrations. During the day it remains at great depth (500-750m) and migrates to the surface during the night to feed on copepods and euphausids. It is one of the most abundant fish in the open waters of the Southern Ocean and is an important resource for many top-predators.During a campaign of the German RV Polarstern (ANT XXI/4, march-may 2004) in the Lazarev Sea, samples of different life classes were collected using pelagic trawls (RMT 8+1). By using three different approaches (ecology, modelling and genetic analysis) knowledge about the status role and control of this species will increase. Here, we present these different approaches and some preliminary results.The ecological approach focuses on the distribution, feeding ecology and energy content of different life stages. By using dynamic programming different survival strategies for E. antarctica will be modelled and compared with each other. Finally by using mitochondrial and microsatellite markers the genetic structure of E. antarctica is studied on an population genetic (Lazarev Sea) en phylogeographic (Circum-Antarctic) scale. This research is done in the framework of the DWTC-funded PELAGANT-project. This project is a joint-project of the KULeuven and the ULiège and is done in collaboration with research institutes in Germany (AWI), France (IPEV) and the Netherlands (ALTERRA).

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