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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Biology of Salpa thompsoni in waters adjacent to the Ross Sea, Southern Ocean, during austral summer 2008
Polar Biology, Volume 34, No. 2, Year 2011
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Description
Depth-stratified vertical sampling was carried out during the New Zealand International Polar Year cruise to the Ross Sea on board the RV Tangaroa in February-March 2008. The distribution (horizontal and vertical), density and population biology of Salpa thompsoni were investigated. Salps were found at two of the four major sampling locations, e. g. near the continental slope of the Ross Sea and in the vicinity of seamounts to the north of the Ross Sea. Both abundance and biomass of S. thompsoni were highest near the seamounts in the Antarctic Circumpolar Current reaching ~2,500 ind 1,000 m-3 and 8.2 g dry wt 1,000 m-3 in the water column sampled. The data showed that S. thompsoni populations were able to utilize horizontal and vertical discontinuities in water column structure, in particular the warm Circumpolar Deep Water (CDW), to persist in the high Antarctic. Although salps appeared to continue migrating to the surface colder layers to feed, both aggregate chain and young embryo release seem to be restricted to the CDW. This study for the first time has provided evidence that low Antarctic salp species may successfully reproduce in the hostile high Antarctic realm. © 2010 Springer-Verlag.
Authors & Co-Authors
Pakhomov, Evgeny A.
Canada, Vancouver
The University of British Columbia
Hall, Julie A.
New Zealand, Auckland
National Institute of Water and Atmospheric Research
Williams, Michael J.M.
New Zealand, Auckland
National Institute of Water and Atmospheric Research
Hunt, Brian P.V.
Canada, Vancouver
The University of British Columbia
Statistics
Citations: 14
Authors: 4
Affiliations: 2
Identifiers
Doi:
10.1007/s00300-010-0878-9
ISSN:
07224060
Research Areas
Environmental
Study Design
Cross Sectional Study