Résultats de la recherche
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Demography of Antarctic krill in the Elephant Island area (Antarctic Peninsula) during austral summer 2001
absolute index was RI1 = 131.4 * 1000 m-3, which is among the highest values for the past 20 years. The ... Abstract: A net sampling survey was carried out for krill in an established standard station grid ... proportional recruitment index for the entire survey area for the 1999/2000 year class was R1 = 0.573, and the ... for a successful spawning season, was G = 0.99, indicating an early initiation of the spawning season ...
Meeting Document : WG-EMM-01/10 : Auteur(s): V. Siegel (Germany), B. Bergström (Sweden), U. Mühlenhardt-Siegel (Germany) and M. Thomasson (Sweden)
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Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends
of both tape codends were much better. It was found that an optimum mesh size of this codend for ... material used for their construction, incorrectly chosen mesh size, and certain morphological features of ... some Antarctic fish, which make it difficult for them to escape from the codend. Selectivity properties ... selection of Antarctic icefish and bumphead notothenia ranges from 60 to 100 mm. For other Antarctic fish ... were much better. It was found that an optimum mesh size of this codend for selection of Antarctic ... calculated as a mean from 30 measurements. For investigations, only those tows were selected which ... size was 123.6 mm, after the first two and after 30 hours of the codend exploitation its mesh size ... ogives were drawn for each of the two phases of the experiment (Figure 16). The analysis of both ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Auteur(s): Zaucha, J.
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A characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) to 2016–17
time in all three locations. The catch limits for macrourid and skates are dictated by CM 41-09 ... . Because the areas open to fishing will change in 2018, with the implementation of the Ross Sea region ... Marine Protected Area (CM 91-05), we recommend catch limit for bycatch species for the North, Slope and ... : Content Approved Delegation responsibility for releasing documents: New Zealand ...
Meeting Document : WG-FSA-17/07 : Auteur(s): S. Parker and S. Mormede
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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 ... Abstract: Analysis of original and literature data for the past 10 years pertaining to the region ... krill and the waters of two major circulation systems- those of the Weddell Sea and the Bellingshausen ... result from the fact that waters of each of the two major modifications carry out krill into the eastern ...
Meeting Document : SC-CAMLR-VIII/BG/21 : Auteur(s): Delegation of USSR
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Detection of anti-brucella antibodies in Weddell seals (Leptonychotes weddellii) from Cape Shirreff, Antarctica
on marine mammals of Antarctica. For this study, blood and extra vascular fluid samples was taken ... de Medicina Preventiva Animal, Facultad de Ciencias Veterinarias y Pecuarias of the Universidad de ... Chile. The samples were tested by the conventional Rose Bengal test (RB) and two competitive enzymatic ... ’ S; 60º 27’ W), located on the Livingston Island (South Shetland Islands), Antarctica. Field work was ...
Meeting Document : WG-EMM-01/48 : Auteur(s): O. Blank, P. Retamal, P. Abalos and D. Torres (Chile)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2011/12
fishing together with the catch of Dissostichus spp. and bycatch species by year for the period 1997–98 to ... strong year classes. We conclude that there is no evidence for substantial changes in population ... Abstract: The exploratory fishery for Dissostichus spp. has now been operating for 16 years in ... Subarea 88.1 and for 10 years in Subarea 88.2. This report summarises the timing, depth, and location of ...
Meeting Document : WG-FSA-12/42 : Auteur(s): M.L. Stevenson ,S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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CEMP Sites
Wilkes Land. Data should be available on an annual basis. Bechervaise Island- BEE Australia Bechervaise ... should be available on an annual basis. Maggs Island- MGI Australia Maggs Island (Division 58.4.2) is ... . Located in Mac. Robertson Land. Data should be available on an annual basis. Gardner Island- GDI Australia ... available on an annual basis. Hop Island- HOI Australia Hop Island (Division 58.4.2) is administered by ...
Page : Site Section: Science
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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 ... 2001/02, pup production for the entire archipelago declined at an average annual rate change of-4.3 ... census in 2001/02 (10,057 ±142 pups born). Dead pups accounted for 1.64% of the total. A comparison with ... female natality for the same period was 0.79 (±0.02) and in 2007/08 was below average at 0.73. Leopard ...
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)
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Independent reviews of CCAMLR stock assessments – a discussion paper
the Commission could complement the efforts of the Scientific Committee by noting the need for action ... as a mechanism for transparency of the stock assessment process, particularly if reports of such ... discussion paper Microsoft Word File: sc-xxxv-bg-20.docx Approval: Approved Secretariat Workflow Status ... : Content Approved Delegation responsibility for releasing documents: United States of America ...
Meeting Document : SC-CAMLR-XXXV/BG/20 : Auteur(s): Delegation of the USA
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ESTIMATION OF IUU CATCHES OF TOOTHFISH INSIDE THE CONVENTION AREA DURING THE 2009/10 FISHING SEASON
prepared an estimate of IUU catches of Dissostichus spp. in the Convention Area for the 2009/10 season ... was also requested to provide revised estimates for gillnet catches for previous years and estimates ... Abstract: ABSTRACT The paper presents an estimate of IUU catches of toothfish during the 2009/10 ... 2010 to take into account new information submitted in respect of two vessels fishing in Divisions ...
Meeting Document : WG-FSA-10/06 : Auteur(s): Secretariat