Résultats de la recherche
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An exploration of the biological data used in the CCAMLR Subarea 48.3 Patagonian toothfish stock assessments
estimates and consequent management advice, and that these changes may be related to long-term environmental ... change. The Working Group recommended that key assessment parameters be reviewed and that changes in the ... fishery dynamics that would impact their estimation be explored. The biological productivity parameters in ... Abstract: WG-FSA 2018 noted that changes in productivity parameters may impact assessment ...
Meeting Document : WG-SAM-2019/32 : Auteur(s): E. MacLeod, K. Bradley, T. Earl, M. Söffker and C. Darby
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OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION
readers could be quantified. Linear mixed model analyses indicated that the mean IE ranged between readers ... Abstract: Integrated assessments that use catch-at-age or abundance-at-age data for model ... any degree of asymmetry in IEs, a binomial/logistic model of the proportion of non-zero IEs that were ... classes directly. This approach differs from other studies of ageing error in that it takes into account ...
Meeting Document : WG-FSA-09/21 : Auteur(s): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)
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OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION
readers could be quantified. Linear mixed model analyses indicated that the mean IE ranged between readers ... Abstract: Integrated assessments that use catch-at-age or abundance-at-age data for model ... any degree of asymmetry in IEs, a binomial/logistic model of the proportion of non-zero IEs that were ... classes directly. This approach differs from other studies of ageing error in that it takes into account ...
Meeting Document : WG-SAM-09/07 : Auteur(s): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)
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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
increase was likely to be because of the increase in the proportion of selected trips in the 2011 ... 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 ...
Meeting Document : WG-FSA-11/44 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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e-cc-xxxiv.pdf
... various reasons given for not complying with a conservation measure and that in these cases it would be ... noted that there should be flexibility with deadlines and that one or two days should not be considered ... , paragraphs 93 to 99) and agreed that the strategy be supported with an allocation of A$105 000 from the CDS ... CCAMLR, the meeting would be productive with many positive outcomes to report at its conclusion. 1.9
application/pdf attached to:CCAMLR-XXXIVMeeting Report : CCAMLR-XXXIV
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Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot
male to female ratio that there might be a flux of krill to/from the hotspot location. There was ... physical forcing (e.g. advection and retention). Some areas, often associated with topographical features ... dynamics over time with respect to spatial distribution and demographical composition of krill including ... generally a clear diel vertical migration pattern with deeper and vertically more compact swarms during ...
Meeting Document : WG-EMM-14/15 : Auteur(s): B.A. Krafft, G. Skaret and T. Knutsen (Norway)
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CEMP camera installations by Ukraine at the Galindez, Petermann and Yalour Islands penguin colonies as a part of CEMP Fund project ‘Establishing a CEMP camera network in Subarea 48.1’
been provided for CEMP rules activity and for monitoring that can assist with camera data validation ... , Argentina, Poland and Ukraine 'Establishing a CEMP Camera Network in Subarea 48.1'. In season 2015 ...
Meeting Document : WG-EMM-16/55 : Auteur(s): Delegation of Ukraine
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e-cc-38.pdf
... be entitled to block a consensus decision of other Members. Brazil stated that it recognised the ... ) and endorsed the recommendation that an electronic version of the form in CM 10-03, Annex 10-03/A, be ... fins to remain naturally attached to sharks that are caught and that cannot be released alive. The ... information as the main problem for conservation and management of sharks and agreed that measures should be
application/pdf attached to:CCAMLR-38Meeting Report : CCAMLR-38
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Technical note on the sampling procedures of the Saga Sea
that a Norwegian-flagged vessel, “Saga Sea” would be fishing for krill in the 2005/06 fishing season ... using modified gear and trawl system. The Committee agreed that this new technology would not be ... considered a ‘new and exploratory fishery’ if a monitoring system was implemented that provided adequate ... Institute of Marine Research (IMR) and the UK’s Marine Resources Assessment Group and will be implemented ...
Meeting Document : WG-EMM-06/18 : Auteur(s): J. Hooper (United Kingdom), T. Knutsen (Norway), D. Agnew (United Kingdom) and S.A. Iversen (Norway)
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Population status of Ross Sea killer whales (Orcinus orca, Type C) in McMurdo Sound, Antarctica, based on photo-identification studies
individuals (95% probability = 44-68) that exhibited strong inter- and intra-annual site fidelity, with ... -eating ecotype, in McMurdo Sound, Antarctica, during 7 seasons, over a 14-year period from 2001/02 to ... -recapture approach to identify a seasonal ‘resident’ population with an average annual abundance of 55 ... individuals resighted over 2-14 years. Contrary to recent reports that commercial overfishing of Antarctic ...
Meeting Document : WG-EMM-16/50 : Auteur(s): R. Pitman, H. Fearnbach and J.W. Durban