Search results
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Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2017/18
biological characterisation of the fishery shows a truncation of the right-hand limb of the age distribution ... between 2004 and 2014. No age data are currently available after 2014. We recommend that further ageing of ... slightly different as the effective tag release and recaptures (to account for different levels of tag ... estimate using effective tagging survival and tag detection rates and allowing a maximum of 20% change in ...
Meeting Document : WG-FSA-18/36 : Author(s): S. Mormede and S. Parker
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Modelling the predator–prey interactions of krill, baleen whales and seals in the Antarctic ecosystem
Abstract: The history of human harvests of seals, whales, fish and krill in the Antarctic is ... summarized briefly, and the central role played by krill emphasized. The background to the hypothesis of a ... that has become available since the postulate was first advanced is discussed. The objective of the ... ) species. The model commences in 1780 (the onset of fur seal harvests) and distinguishes the Atlantic ...
Meeting Document : WG-EMM-05/34 : Author(s): M. Mori and D.S. Butterworth (South Africa)
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Independent reviews of CCAMLR stock assessments – a discussion paper
process to facilitate independent reviews of CCAMLR stock assessments (CCAMLR-XXXII, paragraph 5.14). We ... the Commission could complement the efforts of the Scientific Committee by noting the need for action ... on this topic and supporting the Scientific Committee in their development of a procedure ... as a mechanism for transparency of the stock assessment process, particularly if reports of such ...
Meeting Document : SC-CAMLR-XXXV/BG/20 : Author(s): Delegation of the USA
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Progress report of Chilean research on albatross ecology and conservation
Abstract: Two species of albatross breed in Chile, namely Thalassarche melanophrys and T ... two different management regimes. This fact and the article XI of the CCAMLR Convention, suggests the ... need of harmonizing conservation measures in both areas. In this progress report we describe the main ... outcome of two research programs that are currently underway, which aim to establish if the effect of the ...
Meeting Document : WG-FSA-02/18 : Author(s): J. Arata and C.A. Moreno (Chile)
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Revision of the fishery–foraging overlap model
Abstract: The fishery-foraging model of Agnew and Phegan (1995) was reviewed by the Working Group ... was related to the total amount of krill removed from the foraging area during December to March. The ... Secretariat was tasked with the revision of the model, including modifications to the model in terms of both ... adjustments to temporal aspects of the underlying model and changes in the form of the index of overlap. The ...
Meeting Document : WG-EMM-98/05 : Author(s): Secretariat
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ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CATCH AND CPUE DATA
Abstract: An attempt to use reported catch and CPUE data based on data of observers in the ... assessment of Antarctic toothfish stock in Division 58.4.1 is made. Unlike some previous results obtained for ... this division (e.g. Agnew et al., 2008), the assessment was intended to be independent of estimates of ... toothfish stock biomass in the Ross Sea. As a result of implementation of an age-structured and a dynamic ...
Meeting Document : WG-FSA-09/14 Rev. 1 : Author(s): D. Vasilyev, K. Shust, A. Petrov, V. Tatarnikov and I. Istomin (Russia)
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ICED workshop and conference session on Southern Ocean foodwebs and scenarios of change
ecosystems in order to help inform management of Southern Ocean fisheries. ICED will convene a workshop and ... conference session in the near future in order to address these issues. The theme of the November 2013 ... workshop is “Southern Ocean food webs and scenarios of change”, and that of the June 2014 conference ... session is “Detecting, projecting and managing the impacts of change in Southern Ocean ecosystems”. We ...
Meeting Document : WG-EMM-13/13 : Author(s): R.D. Cavanagh on behalf of the international ICED Scientific Steering Committee
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Climate change and the role of CCAMLR
Abstract: Abstract Fishing magnifies the sensitivity of ecosystems to the effects of climate ... adapting fishing strategies. ASOC advocates that the role of CCAMLR in the climate change context continues ... change, including monitoring efforts, data collection and area protection; 2) extending the use of Marine ... Protected Area (MPAs) networks; 3) extending the application of the Precautionary Approach to include the ...
Meeting Document : CCAMLR-XXIX/BG/19 : Author(s): ASOC Observer
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Emperor penguins – vulnerable to projected rates of warming and sea-ice loss; an international collaboration to inform species-related conservation decision-making and conservation planning
Abstract: An international group of scientists, from the United Kingdom, Australia, Finland ... , France, Germany, Monaco, the United States and SCAR, including the majority of those holding long-term ... data and having experience of working with emperor penguins have formed an international collaboration ... to review the dependence and vulnerability of emperor penguins to ongoing and projected climate ...
Meeting Document : SC-CAMLR-38/BG/10 : Author(s): Delegations of the United Kingdom, Australia, France, Germany, SCAR and ASOC
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Second progress report of the CEMP Special Fund overwinter penguin tracking project
Abstract: We provide a 2 nd update on the progress of our project “Tracking the overwinter ... habitat use of krill-dependent predators from Subarea 48.1”. The project was initiated with support from ... the CEMP Special Fund in 2015/16. Of 150 tags purchased in 2016, all have been deployed and the data ... collection phase has recently concluded. As of 28 May 2018, the last viable tags had ceased transmitting and ...
Meeting Document : WG-EMM-18/24 : Author(s): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire and G. Milinevsky