Resultados de la búsqueda
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Assessment of the status of the Champsocephalus gunnari stock in the South Georgia area for the 1990/91 season and TAC calculations for the 1991/92 season
Abstract: An adaptive approach was used to assess the Champsocephalus. gunnari stock in Area 48.3 ... . Values of catch/effort by age group and by year of fishing were used in conjunction with abundance ... indices from trawl surveys in tuning the VPA. The C. gunnari stock at the start of the 1990/91 season is ... estimated at 184 thousand tonnes. Calculation of TAC was carded out keeping in mind the change to the ...
Meeting Document : WG-FSA-91/27 : Autor(es): P.S. Gasiukov (USSR)
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Summary of notifications for krill fisheries in 2010/11
Abstract: Seven Members submitted notifications for a total 15 vessels for krill fisheries in ... Subareas 48.1, 48.2, 48.3 and 48.4 and Divisions 58.4.1 and 58.4.2 in 2010/11. There was no notification ... submitted for exploratory fisheries for krill in 2010/11. The total notified, expected level of catch of ... krill in 2010/11 is 410000 tonnes. Author(s): Secretariat Title: Summary of notifications for krill ...
Meeting Document : WG-EMM-10/06 : Autor(es): Secretariat
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Further development of coarse- and medium-scale spatially explicit population dynamics operating models for Antarctic toothfish in the Ross Sea region
operating models for Antarctic toothfish in the Ross Sea. The operating models consider both a coarse-scale ... in the generalised Bayesian population dynamics model, the Spatial Population Model (SPM). The SPM ... discrete time-step state-space model that represents a cohort-based population age structure in a spatially ... , suggesting that younger fish were found predominantly in the southern shelf areas, mature fish on the slope ...
Meeting Document : WG-FSA-12/44 : Autor(es): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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SO-AntEco: Contributing information and scientific advice on benthic biodiversity in the South Orkney Islands (Domain 1) region
Abstract: SO-AntEco was a British Antarctic Survey (BAS) led expedition undertaken in conjunction ... . The expedition took place on board the BAS research ship RRS James Clark Ross in early 2016. The focus ... the South Orkney Islands, and the biodiversity within those habitats, in relation to the geomorphic ... deposit feeders. Substantial differences in the abundance of VME taxa were found between two sampling ...
Meeting Document : WG-EMM-17/37 : Autor(es): M.J. Brasier, S.M. Grant, P.N. Trathan, L. Allcock, O.S. Ashford, H. Blagbrough, A. Brandt, B. Danis, R. Downey, M. Eléaume, P. Enderlein, C. Ghiglione, O. Hogg, K. Linse, M. Mackenzie, C. Moreau, L. Robinson, E. Rodríguez, V. Spiridonov, A. Tate, M. Taylor, C. Waller, H. Wiklund and H.J. Griffiths
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme: Preliminary report of the ICED–CCAMLR Projections Workshop, 5 to 7 April 2018
of conservation and management strategies that anticipate and adapt to potential changes in krill ... in the Southern Ocean (ICED) programme and CCAMLR brought together a range of ecologists, physical ... impacts of climate change upon krill in Area 48. Here we present the preliminary findings of this workshop ... associated with climate variability and change in CCAMLR’s decision making ’ held at CCAMLR Headquarters, 5-7 ...
Meeting Document : WG-EMM-18/09 : Autor(es): E.J. Murphy, N.M. Johnston, S.P. Corney and K. Reid
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Workshop Report – The Ross Sea: Science, Policy and the Public in a Pristine Marine Ecosystemt
% of the Southern Ocean, which is inconsequential, yet its attributes, as identified in this workshop ... par with those recognized in World Heritage Sites designated elsewhere (e.g., Galàpagos, African Rift ... Lakes, Lake Baikal); on the basis of projections made from current models in the IPCC array, it likely ... cryopelagic community of organisms; and it is the best studied stretch of high latitude ocean in the Southern ...
Meeting Document : WG-EMM-09/14 : Autor(es): J. Weller and D.G. Ainley (USA)
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Draft proposal for multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
Abstract: Exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions ... 58.4.1 and 58.4.2) began in 2003. Robust stock assessments and catch limits according to CCAMLR decision ... succeeding research proposal for 2018/19 to 2021/22, in accordance with ANNEX 24-01/A, Format 2. This ... allow more time for review by Working Groups of major reporting and review years in non-stock-assessment ...
Meeting Document : WG-SAM-18/17 : Autor(es): Delegations of Australia, France, Japan, Republic of Korea and Spain
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A preliminary model-based approach for estimating natural mortality of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region
Abstract: Natural mortality (M) is a key parameter in fisheries stock assessments, relating ... directly to the productivity of a stock, stock status, and estimated precautionary yields. In the Ross Sea ... constant across age and sex. In 2018, the independent review of the Ross Sea region D. mawsoni stock ... assessment recommended that CCAMLR consider the robustness and reliability of estimating natural mortality in ...
Meeting Document : WG-SAM-2019/04 : Autor(es): B. Moore, S. Mormede, S. Parker and A. Dunn
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Estimates of krill biomass with commercial significance in small-scale management units applying geostatistics techniques
and SGW which are located in ecologically crucial areas affecting land-based predators around South ... Russian survey 2002 were used. Processing of the acoustic survey data in 2000-2002 was made applying ... and its fishable part in each SSMU. The relationship between the biomass available to fishery and the ... total biomass may vary by SSMUs, e.g. in SGE this relationship based on the two surveys data constituted ...
Meeting Document : WG-EMM-06/36 : Autor(es): S.M. Kasatkina and P.S. Gasyukov (Russia)
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Size at maturity and histological procedures explored to determine spawning activity of female Dissostichus mawsoni from samples collected from the Ross Sea in January 2004, December 2004 and January 2005
the 2003/04 and 2004/05 commercial fishing seasons in the Ross Sea to improve estimates of size of ... development visible in histological sections of the 2003/04 samples. Using this methodology, it is ... size at maturity. The calculated Lm50 of 113.0 cm was very close to the value of 115.2 cm estimated in ... spawning activity that may also be useful in ascertaining the maturity ogive of D. mawsoni in the previous ...
Meeting Document : WG-FSA-05/63 : Autor(es): M.E. Livingston and P. Grimes (New Zealand)