Search results
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Revised assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005–2014
fish tagged in 2012, and a catch at age model including the data with a single age length key applied ... to all years (ELAN_age model). Another run was a catch at length model as ELAN_len model except using ... released in 2012 for ELAN_len, ELAN_age and ELAN_lenOB models reflected a large number of recaptures of the ...
Meeting Document : WG-FSA-15/22 : Author(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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RECENT POPULATION ESTIMATES AND TRENDS IN NUMBERS OF ALBATROSSES AND GIANT PETRELS BREEDING AT THE SUB-ANTARCTIC PRINCE EDWARD ISLANDS
Edward Island, mirroring a decrease of roughly 2% per year at Marion Island from 1998 to 2005, a decline ... Prince Edward Island in 2008, possibly as a result of better coverage compared to 2001. Dark-mantled ... a negative trend from the early 1980s, whereas lightmantled sooty albatrosses P. palpebrata have ...
Meeting Document : WG-EMM-10/P4 : Author(s): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford
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Compliance requirements for an orderly development of the krill fishery
, such a large increase required the inclusion of other elements in the conservation measure to ... facilitate the orderly and precautionary development of the fishery. Australia considers that there are a ... from a compliance perspective, the following is required to ensure the orderly development of the krill ... (Exploratory fisheries) be applied to CM 21-03 (Notifications of intent to participate in a krill fishery ...
Meeting Document : CCAMLR-XXVI/31 : Author(s): Delegation of Australia
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Descriptive analysis of the Antarctic toothfish (Dissostichus mawsoni) tagging scheme in the Ross Sea for the years 1997/98 to 2003/04
Abstract: A descriptive analysis of the toothfish tagging programme carried out in the Ross Sea ... Zealand vessels were unavailable at the time of the analysis. A total of 4903 Antarctic toothfish have ... without significant damage to fish, and there appears to be a trade-off between maximising size of ... is 13% per year. Author(s): A. Dunn, S.M. Hanchet and K. Maxwell (New Zealand) Title: Descriptive ...
Meeting Document : WG-FSA-SAM-05/10 : Author(s): A. Dunn, S.M. Hanchet and K. Maxwell (New Zealand)
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Foraging areas of black-browed and grey-headed albatrosses breeding on Macquarie Island in relation to marine protected areas
-order predators, there is a paucity of data that can be used to evaluate their efficacy in achieving ... this purpose. 2. We assessed the effectiveness of a network of MPAs around Macquarie Island in the ... the areas utilised by black-browed albatrosses and a licensed trawl vessel operating within 200nm of ... the efficacy of MPAs in protecting foraging habitats outside of the breeding season. Author(s): A ...
Meeting Document : WG-FSA-04/49 : Author(s): A. Terauds, R. Gales, G.B. Baker and R. Alderman (Australia)
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An interlaboratory comparison of ages estimated for Dissostichus eleginoides from the Argentine Sea, southwest Atlantic Ocean
University, Norfolk, Virginia, United States of America. (CQFE). As a consequence of the exchange of otoliths ... a clearer section. More hyaline bands were visible in the NIWA preparations, particularly near the ... three readers indicate a reasonable consistency for otoliths. The indices of average percent error for ... comparisons between R1 and R2 are satisfactory. Reader R3 generally produced older age because he has a ...
Meeting Document : WG-FSA-04/45 : Author(s): M.C. Cassia (Argentina), P.L. Horn (New Zealand) and J.R. Ashford (USA)
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Conflict or co-existence? Foraging distribution and competition for prey between Adélie and chinstrap penguins
both species was exclusively Antarctic krill (Euphausia superba) of the same size range. In a year of ... low prey availability (2000), there was a statistically significant segregation of foraging areas ... between the two species, however, in a year of normal resource availability (2001) there was no such ... segregation. There was a significant difference in the foraging areas used by Adélie penguins between years ...
Meeting Document : WG-EMM-02/15 : Author(s): A.S. Lynnes, K. Reid, J.P. Croxall and P.N. Trathan (United Kingdom)
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The Ross Sea, Antarctica, where all ecosystem processes still remain for study
Abstract: The Ross Sea is a well-defined embayment of Antarctica about the size of southern ... lost its large baleen whales but otherwise is intact. A huge multidisciplinary, international ... past 45 years. In particular the activities of the US, NZ and Italian Antarctic programs have been a ... growing. The economic value of the resources should be weighed against the value of the system as a unique ...
Meeting Document : WG-EMM-02/60 : Author(s): D. Ainley (USA)
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Population dynamics of wandering albatrosses Diomedea exulans at sub-Antarctic Marion Island: longline fishing and environmental influences
and changes in the proportion of the population that attempts to breed in a given year. We describe ... females to find a new mate, suggesting a male-biased population. Survival rates of juvenile males and ... 1990s may be linked to large amounts of supplementary food being made available by the initiation of a ...
Meeting Document : WG-FSA-02/16 : Author(s): D.C. Nel, P.G. Ryan and J. Cooper (South Africa)
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Occurrence of Antarctic krill (Euphausia superba) concentrations in the vicinity of the South Shetland Islands: relationship to environmental parameters
(Euphausia superba) concentrations were studied in the waters north of the South Shetland Islands, a major ... water circulation in areas of krill concentrations was characterized by a sluggish current with eddies ... along the shelf break in the inshore zone and a shear current in the frontal zone, thus enhancing the ... , showing that the latter may also be a favored spawning area because of the higher probability of survival ...
Meeting Document : WG-EMM-98/18 : Author(s): T. Ichii, K. Kayatama, N. Obitsu, H. Ishii and M. Naganobu (Japan)