Résultats de la recherche
-
Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–G for the years 2002–03 to 2010–11
were adequate, with the tag-release and recapture data providing the most information on stock size ... ) ranged from 9820 to 13 350 t, with the initial biomass estimated to be 11 420 t. The yield was estimated ... several sensitivities including (i) unaccounted mortality due to lost gear, (ii) catch and tag data from ... from lost gear had little impact on estimates of biomass. The inclusion of tag data from the south ...
Meeting Document : WG-FSA-11/43 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
-
Monitoring of relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, in years 2000 to 2003
those found in the early 1980s. At Harmony Cove, the relative abundance of N. rossii showed an increase ... region. The results are consistent with diet information of the piscivorous Antarctic shag Phalacrocorax ... bransfieldensis in the South Shetland-Antarctic Peninsula area obtained from the early 1990s. Author(s): E ... has continued in Potter Cove from 2000 to 2003, covering a continuous sampling period of twenty years ...
Meeting Document : WG-FSA-03/89 : Auteur(s): E. Barrera-Oro, E. Marschoff, R. Casaux and B. Gonzalez (Argentina)
-
Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18
by the Chilean krill fishing ship Antarctic Endeavour throughout its first year of operation (2017 ... captured krill are recorded per trip and Subarea. Additionally, information is given on the yield obtained ... of the ship between extraction zones during each fishing trip are described Author(s): P.M. Arana ... and R. Rolleri Title: Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18 ...
Meeting Document : WG-EMM-2019/09 : Auteur(s): P.M. Arana and R. Rolleri
-
Demographic characteristics of the Adélie penguin population of Béchervaise Island after 12 years of study
numbers) were analysed for the Béchervaise Island Adélie penguin colony in eastern Antarctica after 12 ... years of CEMP monitoring. A life table was constructed, and predicted rates of population growth and ... characteristics of the Adélie penguin population of Béchervaise Island after 12 years of study Approval: Approved ...
Meeting Document : WG-EMM-02/48 : Auteur(s): J. Clarke, K. Kerry, A. Townsend and L. Emmerson (Australia)
-
Breeding biology of Adélie penguin (Pygoscelis adeliae) at Edmonson Point CEMP site (Ross Sea, Antarctica): report of the first five years
the fifth year. The study site was located in the Adélie penguin (Pygoscelis adeliae) colony of ... penguin rookery was studied in terms of colony layout, breeding chronology, foraging trip duration ... between the sea and their breeding colony and support these data with direct observations. The penguins at ... Sea, Antarctica): report of the first five years Approval: Approved ...
Meeting Document : WG-EMM-99/60 : Auteur(s): S. Olmastroni, S. Corsolini, F. Pezzo, S. Focardi (Italy) and K. Kerry (Australia)
-
Assessment models for Patagonian toothfish in Division 58.4.4, SRU C on Ob and Lena Banks for the years 1989/90 to 2012/13
) instead of separated value for each year, 2)I calculated effective sample size for the proportions-at ... . The base model assumed the constant year class strength (YCS) and no IUU fishing occurrence in SSRU C ... inconsistence with the estimated vulnerable biomasses, and stock size estimate with an assumption of no IUU ... /21), and a combined value of over-dispersions were used for all tag-release years (2008 and 2010‒12 ...
Meeting Document : WG-FSA-13/35 : Auteur(s): K. Taki (Japan)
-
UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS USING CATCH-AT-AGE DATA AND TWO YEARS OF SURVEY ABUNDANCE-AT-AGE DATA
) samples for each fishing period within that year. For years where insufficient fish were aged the catch-at ... median score for all aged fish in the assessment was 3 but some fishery-by-year combinations had a higher ... commercial catches with catch-at-age proportions using age length keys (ALKs) where the ALK for each ... combination of fishery and year had available at least 50 aged fish. For the trawl fisheries that were divided ...
Meeting Document : WG-SAM-09/09 : Auteur(s): S.G. Candy (Australia)
-
Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRU 88.2E for the years 2002–03 to 2010–11
assessment. Model fits to the data were adequate, with the tag-release and recapture data providing the most ... small fisheries separately to avoid potential problems with localised stock depletion. However, over the ... past 2–3 years there has been an increase in fishing in SSRUs 88.2CDFG and it may now be more ... different years. Monte-Carlo Markov Chain (MCMC) diagnostics suggested no evidence of non-convergence in any ...
Meeting Document : WG-FSA-11/44 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
-
Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the years 1997–98 to 2010–11
mortality from lost gear, and the second uses tag release and recapture data from all vessel trips. Overall ... mawsoni) in the Ross Sea for the years 1997–98 to 2010–11 Approval: Approved ...
Meeting Document : WG-FSA-11/42 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
-
Fishing ground selection in krill fishery: trends in its patterns across years, seasons, and nations
towards later months within fishing seasons was observed in Area 48.1 (Dec-Feb to Mar-May). However ... fishery: trends in its patterns across years, seasons, and nations Approval: Approved ...
Meeting Document : WG-EMM-05/28 : Auteur(s): S. Kawaguchi (Australia), K. Taki and M. Naganobu (Japan)