Distribution and density of Antarctic krill (Euphausia superba) and ice krill (E. crystallorophias) off Adélie Land in austral summer 2008 estimated by acoustical methods

Polar Science

Volumn 5, Issue 2, 2011, Pages 187-194

  Amakasu, Kazuo ^a   Ono, Atsushi ^a   Hirano, Daisuke ^a   Moteki, Masato ^a   Ishimaru, Takashi ^a  

^a TOKYO UNIVERSITY OF MARINE SCIENCE AND TECHNOLOGY   (Japan)

Author keywords

Ad lie Land; Antarctic krill; Ice krill; Scientific echosounder; Water temperature structure

Indexed keywords

ACOUSTIC SURVEY; BIOACOUSTICS; CENSUS; CRUSTACEAN; ECHO SOUNDER; POPULATION DENSITY; POPULATION DISTRIBUTION; RESEARCH VESSEL; VERTICAL DISTRIBUTION; WATER TEMPERATURE; ZOOPLANKTON;

ADELIE COAST; ANTARCTICA; EAST ANTARCTICA;

DECAPODA (CRUSTACEA); EUPHAUSIA CRYSTALLOROPHIAS; EUPHAUSIA SUPERBA; EUPHAUSIACEA; TOBACCO RATTLE VIRUS;

EID: 79960699261     PISSN: 18739652     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.polar.2011.04.002     Document Type: Article

References (38)

1. Amakasu K., Ono A., Moteki M., Ishimaru T. Sexual dimorphism in body shape of Antarctic krill (Euphausia superba) and its influence on target strength. Polar Sci. 2011, 5(2):179-186.
2. Aoki S., Rintoul S.R., Hasumoto H., Kinoshita H. Frontal positions and mixed layer evolution in the Seasonal Ice Zone along 140°E in 2001/02. Polar Biosci. 2006, 20:1-20.
3. Atkinson A., Siegel V., Pakhomov E., Rothery P. Long-term decline in krill stock and increase in salps within the Southern Ocean. Nature 2004, 432:100-103.
4. Azzali M., Leonori I., De Felice A., Russo A. Spatial-temporal relationships between two euphausiid species in the Ross Sea. Chem. Ecol. 2006, 22:S219-S233.
5. Baker A.de C., Clarke M.R., Harris M.J. The N.I.O. combination net (RMT 1+8) and further developments of rectangular midwater trawls. J. Mar. Biol. Ass. U.K. 1973, 53:167-184.
6. Brierley A.S., Watkins J.L., Murray A.W.A. Interannual variability in krill abundance at South Georgia. Mar. Ecol. Prog. Ser. 1997, 150:87-98.
7. Statistical Bulletin 2009, Vol. 21. CCAMLR, (1999-2008), CCAMLR, Hobart, Australia.
8. Chiba S., Hirawake T., Ushio S., Horimoto N., Satoh R., Nakajima Y., Ishimaru T., Yamaguchi Y. An overview of the biological/oceanographic survey by the RTV Umitaka-Maru III off Adelie Land, Antarctica in January-February 1996. Deep-Sea Res. II 2000, 47:2589-2613.
9. Demer D.A., Hewitt R.P. Bias in acoustic biomass estimates of Euphausia superba due to diel vertical migration. Deep-Sea Res. I 1995, 42:455-475.
10. Everson I. 3.3 The Southern Ocean. Krill: Biology, Ecology and Fisheries 2000, 63-79. Blackwell Science, Oxford. I. Everson (Ed.).
11. Everson I. 7.3 The Southern Ocean. Krill: Biology, Ecology and Fisheries 2000, 194-201. Blackwell Science, Oxford. I. Everson (Ed.).
12. Foote K.G., Knudsen H.P., Vestnes G., MacLennan D.N., Simmonds E.J. Calibration of acoustic instruments for fish density estimation: a practical guide. ICES Coop. Res. Rep. 1987, 144.
13. Francois R.E., Garrison G.R. Sound absorption based on ocean measurements. Part II: Boric acid contribution and equation for total absorption. J. Acoust. Soc. Am. 1982, 72:1879-1890.
14. Furusawa M. Designing quantitative echo sounders. J. Acoust. Soc. Am. 1991, 90:26-36.
15. Furusawa M., Takao Y., Sawada K., Okubo T., Yamatani K. Versatile echo sounding system using dual beam. Nippon Suisan Gakkaishi 1993, 59:967-980.
16. Hewitt R.P., Demer D.A., Emery J.H. An 8-year cycle in krill biomass density inferred from acoustic surveys conducted in the vicinity of the South Shetland Islands during the austral summers of 1991-1992 through 2001-2002. Aquat. Living Resour. 2003, 16:205-213.
17. Hewitt R.P., Watkins J., Naganobu M., Sushin V., Brierley A.S., Demer D., Kasatkina S., Takao Y., Goss C., Malyshko A., Brandon M., Kawaguchi S., Siegel V., Trathan P., Emery J., Everson I., Miller D. Biomass of Antarctic krill in the Scotia Sea in January/February 2000 and its use in revising an estimate of precautionary yield. Deep-Sea Res. II 2004, 51:1215-1236.
18. Hosie G.W., Schultz M.B., Kitchener J.A., Cochran T.G., Richards K. Macrozooplankton community structure off East Antarctica (80-150°E) during the Austral summer of 1995/1996. Deep-Sea Res. II 2000, 47:2437-2463.
19. Ichii T., Katayama K., Obitsu N., Ishii H., Naganobu M. Occurrence of Antarctic krill (Euphausia superba) concentrations in the vicinity of the South Shetland Islands: relationship to environmental parameters. Deep-Sea Res. I 1998, 45:1235-1262.
20. Jarvis T., Kelly N., Kawaguchi S., van Wijk E., Nicol S. Acoustic characterization of the broad-scale distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctica (30-80°E) in January-March 2006. Deep-Sea Res. II 2010, 57:916-933.
21. Kang M., Furusawa M., Miyashita K. Effective and accurate use of difference in mean volume backscattering strength to identify fish and plankton. ICES J. Mar. Sci. 2002, 59:794-804.
22. Kasamatsu N., Kawaguchi S., Watanabe S., Odate T., Fukuchi M. Possible impacts of zooplankton grazing on dimenthylsulfide production in the Antarctic Ocean. Can. J. Fish. Aquat. Sci. 2004, 61:736-743.
23. Kasamatsu N., Horimoto N., Moteki M., Takahashi K., Osada K., Hirawake T., Ishimaru T., Fukuchi M. Report on " Workshop-Southern Ocean study by RT/V Umitaka-maru, 2008" Antarct. Rec. 2008, 52:516-526. (in Japanese).
24. Kawaguchi S., Satake M. Relationship between recruitment of the Antarctic krill and the degree of ice cover near the South Shetland Islands. Fish. Sci. 1994, 60:123-124.
25. Lawson G.L., Wiebe P.H., Ashjian C.J., Stanton T.K. Euphausiid distribution along the Western Antarctic Peninsula-Part B: distribution of euphausiid aggregations and biomass, and associations with environmental features. Deep-Sea Res. II 2008, 55:432-454.
26. Mackenzie K.V. Nine-term equation for sound speed in the oceans. J. Acoust. Soc. Am. 1981, 70:807-812.
27. Naganobu M., Kutsuwada K., Sasai Y., Taguchi S., Siegel V. Relationships between Antarctic krill (Euphausia superba) variability and westerly fluctuations and ozone depletion in the Antarctic Peninsula area. J. Geophys. Res. 1999, 104:20651-20665.
28. Nicol S., Pauly T., Bindoff N.L., Strutton P.G. " BROKE" a biological/oceanographic survey off the coast East Antarctica (80-150°E) carried out in January-March 1996. Deep-Sea Res. II 2000, 47:2281-2298.
29. Nicol S., Clarke J., Romaine S.J., Kawaguchi S., Williams G., Hosie G.W. Krill (Euphausia superba) abundance and Adélie penguin (Pygoscelis adeliae) breeding performance in the waters off the Béchervaise Island colony, East Antarctica in 2 years with contrasting ecological conditions. Deep-Sea Res. II 2008, 55:540-557.
30. Nicol S., Raymond B., Meiners K. BROKE-West, a large ecosystem survey of the South West Indian Ocean sector of the Southern Ocean, 30°E-80°E (CCAMLR Division 58.4.2). Deep-Sea Res. II 2010, 57:693-700.
31. Pauly T., Nicol S., Higginbottom I., Hosie G., Kitchener J. Distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctica (80-150°E) during the Austral summer of 1995/1996. Deep-Sea Res. II 2000, 47:2465-2488.
32. Sala A., Azzali M., Russo A. Krill of the Ross Sea: distribution, abundance and demography of Euphausia superba and Euphausia crystallorophias during the Italian Antarctic Expedition (January-February 2000). Sci. Mar. 2002, 66:123-133.
33. Siegel V., Loeb V. Recruitment of Antarctic krill Euphausia superba and possible causes for its variability. Mar. Ecol. Prog. Ser. 1995, 123:45-56.
34. Taki K., Yabuki T., Noiri Y., Hayashi T., Naganobu M. Horizontal and vertical distribution and demography of euphausiids in the Ross Sea and its adjacent waters in 2004/2005. Polar Biol. 2008, 31:1343-1356.
35. Tanimura A., Kawaguchi S., Oka N., Nishikawa J., Toczko S., Takahashi K.T., Terazaki M., Odate T., Fukuchi M., Hosie G. Abundance and grazing impacts of krill, salps and copepods along the 140°E meridian in the Southern Ocean during summer. Antarctic Sci. 2008, 20:365-379.
36. Trathan P.N., Everson I., Miller D.G.M., Watkins J.L., Murphy E.J. Krill biomass in the Atlantic. Nature 1995, 373:201-202.
37. Trathan P.N., Brierley A.S., Brandon M.A., Bone D.G., Goss C., Grant S.A., Murphy E.J., Watkins J.L. Oceanographic variability and changes in Antarctic krill (Euphausia superba) abundance at South Georgia. Fish. Oceanogr 2003, 12:569-583.
38. Watkins J.L., Brierley A.S. Verification of the acoustic techniques used to identify Antarctic krill. ICES J. Mar. Sci. 2002, 59:1326-1336.