Search results
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DENSE STALKED CRINOID DOMINATED ASSEMBLAGES ON ADMIRALTY SEAMOUNT IN THE NORTHERN ROSS SEA (SSRU 881G): TWO POTENTIAL VMEs
,) a vulnerable marine ecosystem (VME) indicator taxon, were encountered at four sites on two isolated knolls ... , are provided. As a precautionary measure, two boxes around these respective knolls are proposed for designation ... DOMINATED ASSEMBLAGES ON ADMIRALTY SEAMOUNT IN THE NORTHERN ROSS SEA (SSRU 881G): TWO POTENTIAL VMEs ... ,) a vulnerable marine ecosystem (VME) indicator taxon, were encountered at four sites on two isolated knolls ...
Meeting Document : WG-EMM-11/10 : Author(s): C.D. Jones (USA), D.A. Bowden (New Zealand) and S. Schiaparelli (Italy)
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Procedure for estimating two-hour catches on vessels conducting continuous krill trawling and proposal for adding the description of the procedure as an annex to CM 21-03
of the procedure to derive two-hour catches on Norwegian vessels using the Continuous Trawling System in the krill ... fishery. The procedure, now used on all vessels, splits the flow scale measured daily catch into two-hour ... catches using a distribution of the estimated two-hour catches derived from holding tank volumes ... and weights accumulated during successive two-hour intervals. The method is a combination of two methods ...
Meeting Document : SC-CAMLR-38/19 : Author(s): O.A. Bergstad
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Declining trend in the abundance of fjord fish of the species Notothenia rossii marmorata and Notothenia gibberifrons observed at two localities of South Shetland Islands
rossii marmorata and Notothenia gibberifrons from two localities of South Shetland Islands, is analyzed ... of fjord fish of the species Notothenia rossii marmorata and Notothenia gibberifrons observed at two ... marmorata and Notothenia gibberifrons from two localities of South Shetland Islands, is analyzed by a nested ... and Notothenia gibberifrons observed at two localities of South Shetland Islands ...
Meeting Document : WG-FSA-90/14 : Author(s): E. Barrera-Oro and E. Marschoff (Argentina)
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Testing for genetic differentiation between two size classes of the starry skate (Amblyraja georgiana)
Abstract: Two size classes of A. georgiana have been described in by-catch fishing data reported ... mitochondrial DNA (mtDNA) gene sequences and tested whether the two size classes represented genetically ... not support the hypothesis that the two size classes were reproductively isolated. Author(s): P. Ritchie ... and A. Fleming (New Zealand) Title: Testing for genetic differentiation between two size classes of the starry ...
Meeting Document : WG-FSA-12/53 : Author(s): P. Ritchie and A. Fleming (New Zealand)
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Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)
(Latitude 68°49'S), and from the Bellingshausen Sea (70°38'S) to Clarence and Elephant Islands (61 ... °14'S), while Patagonian toothfish (Dissostichus eleginoides) were caught in waters from King ... George Island in the South Pacific Ocean (61°24'S) to the Scotia Sea in the South Atlantic (58°03 ... 'S). Yields of Dissostichus spp. were very low in the three subareas, with values of only 5.7 ... longlines were set between 290 and 350 m (station no. 20), and in Bransfield Strait, where one end ... . However, the results obtained make it possible to identify two fish groups in the study area. One group ... the number of stomachs containing one or more individuals of each prey category is expressed ... it was possible to calculate the sex ratio. The ratio was 1.77 females per one male (xZ = 7.32, p < 0.05, Df ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Author(s): Arana, P.M. and R. Vega
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Preliminary investigations into a two-area stock assessment model for Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea Region
present the preliminary development of a two-area stock assessment model. A two-area model is a method ... as modelling the movement of fish between these two areas. The inclusion of two-areas and migrations ... (New Zealand) Title: Preliminary investigations into a two-area stock assessment model for Antarctic ... development of a two-area stock assessment model. A two-area model is a method for allowing explicit ...
Meeting Document : WG-FSA-14/57 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Comparing two and three frequency dB window identification techniques for estimating Antarctic krill density
of krill targets was carried out using different permutations of two and three-frequency windows. Density ... -frequency window. Author(s): S. Fielding Title: Comparing two and three frequency dB window identification ... targets was carried out using different permutations of two and three-frequency windows. Density ... Comparing two and three frequency dB window identification techniques for estimating Antarctic ...
Meeting Document : SG-ASAM-18/01 : Author(s): S. Fielding
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Information about tagged Patagonian toothfish (Dissostichus eleginoides) tagged in the CCAMLR Convention Area and recovered in the SIOFA management area by two Spanish vessels in 2017/18
recovered by two Spanish vessels fishing in the Indian ocean within the SIOFA management area. Information ... in the SIOFA management area by two Spanish vessels in 2017/18 Approval: Approved Secretariat Workflow Status ... (D. eleginoides) that have been released in the CCAMLR management area have been recovered by two Spanish vessels ... Convention Area and recovered in the SIOFA management area by two Spanish vessels in 2017/18 ...
Meeting Document : WG-FSA-18/53 Rev. 1 : Author(s): R. Sarralde and S. Barreiro
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Distribution and biological characteristics of two toothfish species of genus Dissostichus (family Nototheniidae) off Bouvet Island
Abstract: In 2010, two toothfish species, Patagonian (D. eliginoides) and Antarctic (D.mawsoni ... surrounding the island. The vertical distribution of two species was differentiated distinctly ... : Distribution and biological characteristics of two toothfish species of genus Dissostichus (family ... In 2010, two toothfish species, Patagonian (D. eliginoides) and Antarctic (D.mawsoni) toothfish ...
Meeting Document : WG-FSA-11/17 : Author(s): A.F. Petrov (Russia)
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ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN SUBAREA 88.2 SSRU E FOR THE YEARS 2002/03 TO 2008/09
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... -at-age and tag-recapture data from New Zealand vessels and for selected trips. The New Zealand vessels ... We provide an update of the Bayesian sex and age structured population stock assessment model ... for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, catch-at-age and tag ...
Meeting Document : WG-FSA-09/41 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)