Résultats de la recherche
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Preliminary assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in March–April 2010, including a revised growth model
. The strong year class detected in the last three years’ surveys is now fully recruited as the 4 ... Abstract: A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in March-April 2010 to provide the information for an assessment ... of short-term annual yield in the 2010/2011 CCAMLR season. This paper provides a preliminary ...
Meeting Document : WG-FSA-10/12 : Auteur(s): D.C. Welsford (Australia)
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Reports on abundance and biological information on toothfish in Divisions 58.4.4 a and 58.4.4b by the Shinsei Maru No. 3 in the 2009/10 season
longline vessel, Shinsei Maru No. 3, from April 30 to June 20. The survey was undertaken according to the ... Abstract: A survey was conducted in order to collect information for the stock status and various ... biological information on toothfish in Division 58.4.4a & b (Ob Lena Bank) by using a commercial bottom ... decision in the 28th CCAMLR Meeting of the Commission (28th CCAMLR report paragraph 4.43). This report ...
Meeting Document : WG-FSA-10/46 : Auteur(s): K. Taki, M. Kiyota and T. Ichii (Japan)
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Preliminary reports on abundance and biological information on toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in the 2009/10 season
longline vessel, Shinsei Maru No. 3, from April 30 to June 20. The survey was undertaken according to the ... Abstract: A survey was conducted in order to collect information for the stock status and various ... biological information on toothfish in Division 58.4.4a & b (Ob Lena Bank) by using a commercial bottom ... decision in the 28th CCAMLR Meeting of the Commission (28th CCAMLR report paragraph 4.43). This report ...
Meeting Document : WG-SAM-10/14 : Auteur(s): K. Taki, M. Kiyota and T. Ichii (Japan)
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Predation release of Antarctic silverfish in the Ross Sea: how sensitive is the conclusion to uncertainties in the diet of Antarctic toothfish over the shelf?
contributed to the increase in Adélie penguin numbers. This paper brings together information on the biomass ... adeliae) at breeding colonies in the southern Ross Sea more than doubled from about 235 000 to more than ... predation release hypothesis. In particular, new data from the examination of the contents of 615 Antarctic ... weight of prey) over the southern Ross Sea shelf, including in McMurdo Sound (0.4–6.4%W) and Terra Nova ...
Meeting Document : WG-FSA-15/41 : Auteur(s): M.H. Pinkerton, P. O’B. Lyver, D.W. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand)
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Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)
Paper Title: Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic ... commercial fleet on the krill population in different months during the 1987 to 1990 fishing seasons within ... on the krill population – on biomass and the density of krill aggregated in the fishing grounds – was ... was 30%. In April 1988 the fi shery took 19.7% of the available krill within the fi shing area. This ... intensity 36.4 ± 6.7% was observed in July 1989, when a large number of vessels (25–30 trawlers) operated ... caught in a given year. The results of synoptic sur- veys in Statistical Areas 48 and 58 were used to ... 20-year fi shing history, the precautionary catch limit had never been approached. Furthermore, the ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Auteur(s): Kasatkina, S.M. and V.F. Ivanova
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Population subdivision and distribution of Euphausia superba in the region of the Antarctic Peninsula and adjacent waters in relation to fishery development
±41% and 1708±30% thousand tons in March and December-1984 respectively for the area south of 60°S ... Sea inhabited by separate subpopulations of the species. The latter are predominant in the region ... while the proportion of the Weddell Sea krill increases eastward, primarily in the Bransfield Strait but ... between 60 and 52°W. The frequency of occurrence of krill aggregations in the area between 75 and 52°W was ...
Meeting Document : SC-CAMLR-VIII/BG/21 : Auteur(s): Delegation of USSR
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NEW REGIONAL-SCALE SURVEYS OF THE ADÉLIE PENGUIN BREEDING POPULATION IN PRYDZ BAY: A STEP TOWARDS IMPROVED ESTIMATION OF KRILL CONSUMPTION IN EAST ANTARCTICA
conducted 30 years ago. To understand current levels of prey consumption in east Antarctica it is therefore ... . A review of historical Adélie penguin survey data in east Antarctica revealed Prydz Bay as a ... largest breeding population of Adélie penguins in east Antarctica but the most recent abundance survey was ... critical to understand if population numbers in Prydz Bay have changed in the past three decades ...
Meeting Document : WG-EMM-11/32 : Auteur(s): C. Southwell, J. McKinlay, K. Newbery, L. Emmerson and J. Lieser (Australia)
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Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2010/11
Maru No. 3 to be conducted in April-June 2011. This is the second year of the survey of the 3-5 years ... Abstract: In order to clarify the stock status and biological characteristics of Dissostichus spp ... . In Division 58.4.4 a & b, we submit this research plan for toothfish in the Division by Shinsei ... consecutive research focusing on tagging program, recommended by WG-SAM-09 in this Division, following the ...
Meeting Document : WG-SAM-10/15 : Auteur(s): Delegation of Japan
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Winter distribution and condition of Antarctic krill in relation to sea-ice and water column production in the South Shetland Islands during Austral Winter 2013
stations around the South Shetland Islands during a 30 day cruise between 10 August and 9 September 2013 ... . Abundance and demographic patterns revealed that Antarctic krill were concentrated in the southern ... Bransfield Strait, and that these krill were approximately 33mm in length, about 10mm larger than found ... during the 2012 winter survey (Reiss and Jones 2013; WG-EMM 13/40) but similar in size to krill found in ...
Meeting Document : WG-EMM-14/13 : Auteur(s): C.S. Reiss, J. Walsh, K. Dietrich and J.A. Santora (USA)
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ANTARCTIC FUR SEAL PUP PRODUCTION AND POPULATION TRENDS IN THE SOUTH SHETLAND ISLANDS WITH SPECIAL REFERENCE TO SOURCES OF ERROR IN PUP PRODUCTION ESTIMATES
30 days after the median date of pupping was estimated for the years 1997-2007 at 4.5% (±0.60). Adult ... Abstract: This paper reports the results of a ground survey of fur seal colonies from in the ... South Shetland Islands in 2007/08. Multiple counts of pups at each colony were conducted to establish ... census in 2001/02 (10,057 ±142 pups born). Dead pups accounted for 1.64% of the total. A comparison with ...
Meeting Document : WG-EMM-PSW-08/14 : Auteur(s): M.E. Goebel (USA), D.E. Torres C. (Chile), A. Miller, J. Santora, D. Costa (USA) and P. Diaz (Chile)