Search results
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Interannual variability of polynya extent in the Antarctic Ocean
Abstract: There are two general kinds of polynya (an ice-free area within sea ice borders ... like a pulse wave. In the whole Antarctic Ocean, peak years of polynyas extent are in the 1981/82 (from ... July 1981 to June 1982), 1991/92 and 1995/96. In the Antarctic Peninsula area, peak years are in 1980 ... There are two general kinds of polynya (an ice-free area within sea ice borders), coastal polynya ...
Meeting Document : WG-EMM-01/34 : Author(s): M. Naganobu and K. Segawa (Japan)
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OPERATIONAL DIFFICULTIES IN IMPLEMENTING THE CCAMLR TAGGING PROTOCOL IN DIVISION 58.4.1 IN 2007/08
. In brief: • The vessel started fishing in Division 58.4.1 SSRU E on 6 January 2008 but only completed one ... ; The vessel started fishing in Division 58.4.1 SSRU E on 6 January 2008 but only completed one haul (no catch ... G was closed on 30 January 2008). • The vessel caught a total of 9.757 t of Dissostichus mawsoni in Division ... on 30 January 2008). • The vessel caught a total of 9.757 t of Dissostichus mawsoni in Division ...
Meeting Document : WG-FSA-08/16 : Author(s): A.T. Lozano and O. Pin (Uruguay)
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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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Conservation Measure Conservation Measure 10-10 (2015)
to the objective of the Convention, Noting Article XXI of the Convention which requires Contracting Parties ... with Article X of the Convention, the Commission has undertaken to draw the attention of all Contracting ... the following conservation measure in accordance with Article IX of the Convention: 1. Draft CCAMLR ... Compliance Report will cover the period from 1 August to 31 July of the following year. In compiling Draft ...
Conservation Measure : 10-10 (2015)