VERTICAL DISTRIBUTION OF OITHONA SIMILIS AND ONCAEA CURVATA (CYCLOPOIDA, COPEPODA) UNDER SEA ICE NEAR SYOWA STATION IN THE ANTARCTIC WINTER (18th Symposium on Polar Biology)
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VERTICAL DISTRIBUTION OF OITHONA SIMILIS AND ONCAEA CURVATA (CYCLOPOIDA, COPEPODA) UNDER SEA ICE NEAR SYOWA STATION IN THE ANTARCTIC WINTER (18th Symposium on Polar Biology)
National Institute of Polar Research:(Present address)Faculty of Bioresources, Mie University
Hokkaido Tokai University
Hokkaido Tokai University
Tokyo University of Fisheries
Hokkaido Tokai University
抄録(英)
Vertical distributions of two small cyclopoid copepods, Oithona similis and Oncaea curvata, were investigated under fast ice near Syowa Station on 1-2 July in continuous darkness during the Antarctic winter. All developmental stages from copepodite stage I (CI) to adults of two species occurred homogeneously throughout the water column; and no marked diel vertical migration was observed. Their homogeneous distribution pattern and non-migrating behavior suggest some selective advantages for surviving in the Antarctic winter: reduction of the energy cost, effective utilization of the limited food resources, and minimizing the population predation.
雑誌書誌ID
AA10819561
雑誌名
Proceedings of the NIPR Symposium on Polar Biology
VERTICAL DISTRIBUTION OF OITHONA SIMILIS AND ONCAEA CURVATA (CYCLOPOIDA, COPEPODA) UNDER SEA ICE NEAR SYOWA STATION IN THE ANTARCTIC WINTER (18th Symposium on Polar Biology)
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KJ00000767687
(1.05MB)
概要
