Search results
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Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands
is that one buoy traveled all the way to South Georgia and has been being trapped in a winter fishing ground ... elucidated the occurrence of convergent complex eddies in these shelf waters. (Note is that one buoy traveled ... north of the islands, as usual. Tracks of drifting buoys (with curtain drogues at 30 m depth where krill ... , as usual. Tracks of drifting buoys (with curtain drogues at 30 m depth where krill frequently occur), have ...
Meeting Document : WG-KRILL-91/22 : Author(s): Delegation of Japan
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Determination of a statistically based survey area suitable for hydroacoustic stock assessment of Euphausia superba in the Elephant Island, King George Island, Bransfield Strait area
1981, 1984 and 1978-1989 permitted resolution of inter-year differences in standing stock. The two ... of data from 1981, 1984 and 1978-1989 permitted resolution of inter-year differences in standing stock ... . The two units of sub-area within the site exhibit different patterns of annual distribution ... relatively uniform from year to year. Using only sub-area biomass leads to an ambiguous interpretation ...
Meeting Document : SC-CAMLR-VIII/BG/32 : Author(s): Delegation of USA
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Diet and foraging effort of Adélie penguins in relation to pack-ice conditions in the southern Ross Sea
predominantly in a year of heavy pack-ice cover; more adult krill were consumed in two years when pack ice ... predominantly in a year of heavy pack-ice cover; more adult krill were consumed in two years when pack ice ... , by colony, seasons and year. Diet differed among colonies only slightly. The fish Pleuragramma antarcticum ... was the most important prey, especially during years or periods within years when little pack ice was present ...
Meeting Document : WG-EMM-98/15 : Author(s): D.G. Ainley (USA), P.R. Wilson, K.J. Barton (New Zealand), G. Ballard, N. Nur (USA) and B. Karl (New Zealand)
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CONDITIONING SMOM USING THE AGREED CALENDAR OF OBSERVED CHANGES IN PREDATOR AND KRILL ABUNDANCE: A FURTHER STEP IN THE DEVELOPMENT OF A MANAGEMENT PROCEDURE FOR KRILL FISHERIES IN AREA 48
for Area 48 (the SAM calendar). Results are presented for two implementations of SMOM, one with the time ... , one with the time series of krill abundance fixed on input, and the other incorporating an explicit ... of reference observations for Area 48 (the SAM calendar). Results are presented for two implementations of SMOM ... . In general the two SMOM implementations are broadly successful in reproducing the direction and timing ...
Meeting Document : WG-EMM-08/44 : Author(s): É.E. Plagányi and D.S. Butterworth (South Africa)
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Data from recent trawl surveys in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), reveal an unusual cohort structure in the mackerel icefish (Champsocephalus gunnari) population
58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. A predicted in 2010, the strong 4+ cohort ... that dominated the population declined rapidly in late 2010. Two new cohorts are present in the population ... , leading to a situation that is unusual for this region, with four or five successive year classes all ... 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. A predicted in 2010, the strong ...
Meeting Document : WG-FSA-11/22 : Author(s): D.C. Welsford (Australia)
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Some biological characteristics of Antarctic fish stocks in the Elephant Island–South Shetland Island region in January–February 2002
Marine Living Resources Program (AMLR). Length–weight relationships were similar in the two areas ... and to an unusually large extent on fish. C. aceratus up to 30 – 35 cm length took primarily krill and mysids. When ... Living Resources Program (AMLR). Length–weight relationships were similar in the two areas for those ... and to an unusually large extent on fish. C. aceratus up to 30 – 35 cm length took primarily krill and mysids. When ...
Meeting Document : WG-FSA-02/20 : Author(s): K.-H. Kock (Germany), C.D. Jones (USA), J. Appel (Germany), G. von Bertouch (CCAMLR Secretariat), D.F. Doolittle (USA), M. la Mesa (Italy), L. Psenichnov (Ukraine), R. Riehl (Germany), T. Romeo (Italy), S. Schöling (Germany) and L. Zane (Italy)
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Engaging ‘the crowd’ in citizen science and remote sensing to learn about habitat affinity of two Southern Ocean seals
ice acquired during October 2018 in the Weddell Sea to identify presence/absence of crabeater seals ... about habitat affinity of two Southern Ocean seals Microsoft Word File: emm-2019-37.docx Approval ... selected images of the pack ice acquired during October 2018 in the Weddell Sea to identify presence ... Engaging ‘the crowd’ in citizen science and remote sensing to learn about habitat affinity of two ...
Meeting Document : WG-EMM-2019/37 : Author(s): M.A. LaRue, D.G. Ainley, J. Pennycook, K. Stamatiou, M. Dozier, J. Saints, L. Sales, N. Nur, S. Stammerjohn and L. Barrington
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the years 1997–98 to 2010–11
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... 88.2A–B), using revised catch, catch-at-age, and tag-recapture data for the 2010–2011 seasons. The 2011 ... We provide an update of the Bayesian sex and age structured population stock assessment model ... ;B), using revised catch, catch-at-age, and tag-recapture data for the 2010–2011 seasons. The 2011 ...
Meeting Document : WG-FSA-11/42 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Results from the New Zealand exploratory fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2004/05 season
tonnes of D. mawsoni and 0.395 tonnes of D. eleginoides. Two sets were undertaken in Division 58.4.1 SSRU ... C for a catch of 0.372 tonnes of D. mawsoni. San Aspiring undertook 20 research sets in Division 58.4.1 SSRU ... G for a catch of 20.9 tonnes of D. mawsoni and 0.4 tonnes of D. eleginoides. The first sign of the onset ... and 0.395 tonnes of D. eleginoides. Two sets were undertaken in Division 58.4.1 SSRU C for a catch of 0.372 ...
Meeting Document : WG-FSA-05/62 : Author(s): G.J. Patchell (New Zealand)
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Proposal for a mark–recapture experiment to estimate toothfish population size in Subarea 48.4
Abstract: One UK vessel fished around the South Sandwich Islands (Subarea 48.4) in in July, 2005 ... One UK vessel fished around the South Sandwich Islands (Subarea 48.4) in in July, 2005 ... . The research will be undertaken during April in each year by up to two vessels, details yet to be confirmed ... . The research will be undertaken during April in each year by up to two vessels, details yet to be confirmed ...
Meeting Document : WG-FSA-05/57 : Author(s): Delegation of the United Kingdom