Resultados de la búsqueda
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2016/17
effective tagging survival and tag detection rates, both of which have decreased in the recent years ... of non-convergence in the key biomass parameters. The precautionary yield, using the CCAMLR decision ... Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs 88.2A–B ...
Meeting Document : WG-FSA-17/37 Rev. 1 : Autor(es): S. Mormede
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ANTARCTIC PENINSULA DECADAL WINTER TEMPERATURE ANOMALIES AND ANTARCTIC KRILL VARIABILITY IN THE SOUTH ATLANTIC REGION: PRELIMINARY RESULTS
Abstract: The influence of the climate change on krill based Southern Ocean ecosystem is studied ... warming and ecosystem changes the data of Antarctic krill density (KRILLBASE data) and of surface air ... temperature (READER data) were used. Decadal variability of winter temperature on the regional scale was ... the oscillations with 3-8 year periods and a decadal oscillation with a period of about 16 years ...
Meeting Document : WG-EMM-11/41 : Autor(es): G.P. Milinevsky, A.V. Grytsai and L.K. Pshenichnov (Ukraine)
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Towards a Minimum Realistic Model for investigating trophic relationships between Antarctic toothfish and demersal fish in the Ross Sea, Antarctica
changes in the abundances of these four demersal fish prey/bycatch groups in the Ross Sea are possible ... in the Ross Sea, Antarctica. These demersal fish are known to form a part (in some cases a ... substantial part) of the diet of Antarctic toothfish of a size commonly taken by the Ross Sea fishery and are ... , Antimora rostrata); and (4) eel (moray) cods (Muraenolepsis spp.). Changes to the abundance of Antarctic ...
Meeting Document : WG-SAM-10/21 : Autor(es): M.H. Pinkerton, S. Mormede and S.M. Hanchet (New Zealand)
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A multivariate approach to examining patterns in research fishing activities using the SSRU 88.2A–B North survey as an example
Abstract: The WG-SAM in 2016 “agreed the importance of identifying a set of diagnostics and clear ... achieve such a goal (WG-SAM 2016, paragraph 4.19). In this paper, we further develop the analysis of Large ... criteria to assess the likelihood that a vessel is operating as would be expected in normal research ... activities”, further noting that a characterisation of fishing activities was also required in order to ...
Meeting Document : WG-FSA-16/46 : Autor(es): S. Mormede, A. Dunn, S.J. Parker, T. Earl, C. Darby, M. Söffker and O.R. Godø
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRU 88.2E for the years 2002–03 to 2010–11
resulted in a 30% higher estimate of initial biomass than for the 2009 base case. The main reason for this ... increase was likely to be because of the increase in the proportion of selected trips in the 2011 ... Abstract: 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 ...
Meeting Document : WG-FSA-11/44 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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The International Code for Ships Operating in Polar Waters: Step 2 addressing fishing vessels
adoption of a Polar Code for shipping in polar waters, and sets out the initial steps for a second phase on ... identifies the relevance for fishing vessels of various safety matters addressed in the Polar Code, on the ... basis of recent incidents in the Southern Ocean. Finally, it proposes measures on ice strengthening of ... fishing vessels and training of fishing vessel crews, which should be introduced by CCAMLR in the interim ...
Meeting Document : CCAMLR-XXXIV/BG/24 : Autor(es): Submitted by ASOC
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Connectivity and population structure in Pleuragramma antarcticum along the west Antarctic Peninsula
, reduction in sea-ice along the WAP may lead to extinction of local populations through drastic mortality of ... populations at 1) the north tip of the Peninsula, and 2) the southern WAP encompassing Charcot Island and ... Marguerite Bay, with no mixing between. The presence of a single length mode at Charcot Island and Marguerite ... recruitment since 2001. The collapse in silverfish abundances previously found off Anvers and Renaud Islands ...
Meeting Document : WG-FSA-10/16 : Autor(es): J. Ashford, J. Ferguson, A. Piñones, J. Torres and W. Fraser
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Further measures to combat illegal, unreported and unregulated fishing in the Convention Area
Abstract: This paper highlights the continuation of a significant level of illegal, unreported ... and unregulated fishing activities in the Convention Area. It proposes that the Commission adopt a ... measures to combat illegal, unreported and unregulated fishing in the Convention Area Approval: Approved ... range of further measures to combat such activities. Author(s): Delegation of Australia Title: Further ...
Meeting Document : CCAMLR-XVII/BG/13 : Autor(es): Delegation of Australia
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Commercial fishing in the Ross Sea
currently exist in the Ross Sea. It also highlights some of the findings of Ross Sea independent research ... Abstract: COLTO members have been fishing for toothfish in the Ross Sea for the past 15 years ... . The New Zealand Seafood Industry Council, representing NZ toothfish operators in COLTO, have prepared ... operations in the Ross Sea region. The information sheet provides basic data on Antarctic Toothfish ...
Meeting Document : CCAMLR-XXXI/BG/35 : Autor(es): Submitted by COLTO
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Precautionary, ecosystem-based management for the Antarctic krill fishery: a work in progress
enhance its precautionary management of the krill fishery in line with Convention objectives. This paper ... provides an update on the krill fishery; discusses the consideration of climate change in krill fisheries ... compliance as they relate to the krill fishery. The paper concludes with a number of recommendations to make ... Title: Precautionary, ecosystem-based management for the Antarctic krill fishery: a work in progress ...
Meeting Document : SC-CAMLR-XXXVII/BG/17 : Autor(es): Submitted by ASOC