Resultados de la búsqueda
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Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2010/11
Abstract: In order to clarify the stock status and biological characteristics of Dissostichus spp ... . In Division 58.4.4 a & b, we submit this research plan for toothfish in the Division by Shinsei ... Maru No. 3 to be conducted in April-June 2011. This is the second year of the survey of the 3-5 years ... consecutive research focusing on tagging program, recommended by WG-SAM-09 in this Division, following the ...
Meeting Document : WG-SAM-10/15 : Autor(es): Delegation of Japan
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LENGTH-BASED ASSESSMENT FOR MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) IN SUB-AREA 48.3
Abstract: The current CCAMLR assessment method for the mackerel icefish (Champsocephalus gunnari ... ) in sub‐area 48.3 employs the CMIX and GYM packages, which derives population numbers‐at‐age and ... projects these numbers forward under the given harvest control rule to set a two‐year TAC. One issue is the ... accurate identification of age cohorts from the survey data. In this paper we describe a length‐based ...
Meeting Document : WG-FSA-09/27 : Autor(es): R.M. Hillary (Australia), C.T.T. Edwards, R.E. Mitchel and D.J. Agnew (United Kingdom)
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Population assessment of Patagonian toothfish in Subarea 48.4
Abstract: This paper presents an update of the assessment of toothfish (Dissostichus spp.) in ... Subarea 48.4. The Subarea is divided into two management regions and assessed using a CASAL assessment of ... D. eleginoides in the northern region and a simple Petersen biomass estimate derived for D ... . eleginoides and D. mawsoni in the southern region. The CASAL model structure used to assess the stock in 2011 ...
Meeting Document : WG-FSA-12/36 : Autor(es): R. Scott (United Kingdom)
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Domain 1 Marine Protected Area Preliminary Proposal – PART A: MPA Model
Abstract: This draft is aimed to describe the process for the designation of an MPA in Domain 1 ... led by Argentina and Chile. The process has resulted in the compilation, analysis, integration and ... display of a large amount of information, not only contributing to the best science available but also ... providing a platform for the sharing and visualization of information. We highlight the multinational ...
Meeting Document : WG-EMM-17/23 : Autor(es): Delegations of Argentina and Chile
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Propuesta para establecer un Área Marina Protegida en la región del Mar de Ross
Abstract: The delegation of the United States proposes the establishment by the Commission for ... the Conservation of Antarctic Living Marine Resources (Commission or CCAMLR) of a marine protected ... area (MPA) in the Ross Sea Region (“Ross Sea Region Marine Protected Area”). In 2010, the Commission ... endorsed the Scientific Committee’s work program to develop a representative system of Antarctic MPAs with ...
Meeting Document : CCAMLR-XXXI/40 : Autor(es): Delegation of the USA
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A review of conversion factors used in CCAMLR toothfish fisheries
Abstract: The product to green-weight conversion factors used in the toothfish fishery are ... integral to the reporting of catches and reconciling those catches with data reported via the CDS. This ... paper reviews the data available on conversion factor in the C2 and Observer data as well as the factors ... as an apparent long-term trend in the most commonly reported conversion factors. This variability ...
Meeting Document : WG-FSA-15/02 : Autor(es): CCAMLR Secretariat
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Research plan for toothfish in Divisions 58.4.4a and b by Shinsei Maru No. 3 in 2011/12
Abstract: A tagging survey in SSRUs B and C in Division 58.4.4 a & b was initiated in the ... 2010/11 fishing season with the aims of providing the data required for assessments of the population ... structure, size, movement and growth of Dissostichus spp. in the centered area of Division 58.4.4 a & b ... . In the 2010/11 a total of 189 D. eleginoides were tagged and released in SSRUs B and C. Four tagged D ...
Meeting Document : WG-SAM-11/07 : Autor(es): Delegation of Japan
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Population dynamics of wandering albatrosses Diomedea exulans at sub-Antarctic Marion Island: longline fishing and environmental influences
Abstract: The Prince Edward Islands support the largest breeding population of the vulnerable ... Wandering Albatross Diomedea exulans. The number of birds breeding in this population has fluctuated over ... the past three decades and appears to be the result of both real changes in the size of the population ... and changes in the proportion of the population that attempts to breed in a given year. We describe ...
Meeting Document : WG-FSA-02/16 : Autor(es): D.C. Nel, P.G. Ryan and J. Cooper (South Africa)
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Changes to seabird avoidance regulations in Alaska demersal longline fisheries based on scientific research on effectiveness of mitigation measures
Abstract: The North Pacific Fishery Management Council (Council) recommended changes to the ... existing regulations for seabird avoidance measures required in the groundfish and halibut demersal ... longline fisheries off Alaska. One of the main recommendations is for the required use of paired streamer ... lines on larger vessels. Changes were based on research results from a two-year study conducted by the ...
Meeting Document : WG-FSA-02/53 : Autor(es): K.S. Rivera (USA)
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Semi-automated software to count and validate Adélie penguin colonies from aerial photographs
of nesting Adélie penguins (Pygoscelis adeliae), on aerial photographs of the Ross Sea sector of ... Antarctica. The software is written in MATLAB ®, is freely available and is deployed to users as a graphical ... , which is slow, and highly-dependent on the skill of the operator. The basis of the semi-automated ... counting procedure is linear discriminant analysis to separate the background (snow, water, rock, bare ...
Meeting Document : WG-EMM-14/54 : Autor(es): S.J. McNeill, K.J. Barton and P.O’B. Lyver (New Zealand)