NOT TO BE CITED WITHOUT PRIOR REFERENCE TO THE AUTHORS SC/D06/J27 Trace element accumulations of Antarctic krill, Euphausia

superba, collected from stomach contents of Antarctic minke whales from Antarctic Ocean Areas III, IV, V and VI during 1989/90 and 1998/99. An interaction among Cd-Ni-Mn-Zn was observed in E. superba. These elements have the same distribution in the sea. Levels of Mn, Fe, Cu, Zn and Cd in each of th...

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Bibliographic Details
Main Authors: In Areas Iii, Vi From The Antarctic Ocean, Genta Yasunaga, Yosihiro Fujise, Katsuhisa Honda
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Subjects:
KEY WORDS
ANTARCTIC MINKE WHALE
TRACE ELEMENT
BIOACCUMULATION
ANTARCTIC KRILL
Antarctic
Antarctic Ocean
Pacific
Antarc*
Antarctic Krill
Antarctic Minke whale
minke whale
North Atlantic
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.465.7839
http://www.icrwhale.org/pdf/SC-D06-J27.pdf
Description
Summary:superba, collected from stomach contents of Antarctic minke whales from Antarctic Ocean Areas III, IV, V and VI during 1989/90 and 1998/99. An interaction among Cd-Ni-Mn-Zn was observed in E. superba. These elements have the same distribution in the sea. Levels of Mn, Fe, Cu, Zn and Cd in each of three body length groups in Antarctic krill were significantly different. The results were not consistent with the previous study, suggesting that trace element levels in Antarctic krill may be affected by other life history factors rather than the body length alone. Seasonal change of trace elements in E. superba was observed only in Cd, suggesting that it is affected by the migration pattern. Temporal trends of the toxic elements Cd and Hg concentrations in E. superba were not observed during 1989 and 1999. Trace element, except for Cd, concentrations found in E. superba were almost the same to those levels previously reported in krill from the Japan Sea, the western North Pacific and the western North Atlantic, while Cd concentrations in E. superba reported here were higher than those in the other regions.

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