Search results
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Acoustic and underwater survey of the Argentine Islands (West Antarctic) water area for development of network of testing sites in the summer season of 2019
Abstract: In the summer season of 2019 (February-April), acoustic and underwater studies of the ... a network of underwater testing sites in the water area of the Argentine Islands. Author(s): A ... Argentine Islands (West Antarctic) water area for development of network of testing sites in the summer ...
Meeting Document : WG-EMM-2019/19 : Author(s): A. Utevsky, D. Smyrov, E. Sinna, M. Shrestha and S. Utevsky
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Variation in the diet of the blue-eyed shag Phalacrocorax atriceps throughout the breeding season at Half-Moon Island, South Shetland Islands
cormorant Phalacrocorax atriceps were collected in a colony at Half-moon Island, South Shetland Islands, by ... were the main prey (91% in number) followed by mollusks and polychaetes. Six fish species were ... important in mass (79%), followed by N. nudifrons and T. newnesi. The overall composition of the diet was ... different stages of the season. Author(s): Barrera-Oro, E., Casaux, R. Title: Variation in the diet of the ...
Meeting Document : WG-EMM-95/78 : Author(s): Barrera-Oro, E., Casaux, R.
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Revised joint research proposal for Dissostichus spp. in Subarea 88.3 by Korea and New Zealand
Abstract: A research plan for this subarea was commenced by Korea in 2016 and a revised ... the abundance of Antarctic toothfish in Subarea 88.3. Secondary objectives are to improve ... understanding of stock structure of toothfish in this area, to carry out calibration trials between the two ... for Dissostichus spp. in Subarea 88.3 by Korea and New Zealand Approval: Approved Secretariat ...
Meeting Document : WG-FSA-18/42 : Author(s): Delegations of the Republic of Korea and New Zealand
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Moving towards a new era in ecosystem-based krill fishery management
krill catch reporting including 1) developing methods to accurately report catch despite differences in ... ; 3) ensuring a method for bycatch reporting at 2-hour intervals in the continuous mid-water trawl ... in the continuous mid-water trawl fishing gear. SC-CAMLR organizes a technical workshop to undertake ... . Author(s): Submitted by ASOC Title: Moving towards a new era in ecosystem-based krill fishery ...
Meeting Document : SC-CAMLR-38/BG/22 : Author(s): Submitted by ASOC
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Scientific justification for a marine protected area designation around the Balleny Islands to protect ecosystem structure and function in the Ross Sea region, Antarctica: progress report
Abstract: In 2000, the New Zealand delegation to CCAMLR proposed the designation of an Antarctic ... can be aligned with both the CCAMLR ecosystem-wide conservation objectives and the values found in ... includes the only known habitat in the region for juvenile toothfish, and perhaps also for early ... sustainability of existing and potential fisheries in the region. A strategically located Balleny Islands MPA ...
Meeting Document : SC-CAMLR-XXIV/BG/25 : Author(s): Delegation of New Zealand
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Identifying marine protected areas (MPAs) in data-poor regions to conserve biodiversity and to monitor ecosystem change: an Antarctic case study
biodiversity. A great challenge for meeting this goal, particularly in data-poor regions, is to avoid ... is needed for identifying areas in data-poor regions that would enable the objectives to be achieved ... in the long term. We elaborate a procedure that would satisfy the first stage of identifying a RSMPA ... likely to encompass important areas for inclusion in a RSMPA. Three large areas are identified for their ...
Meeting Document : WS-MPA-11/05 : Author(s): A.J. Constable, B. Raymond, S. Doust, D. Welsford (Australia), P. Koubbi (France) and A.L. Post (Australia)
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Ecological risk management and the fishery for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica
an ecological risk assessment for Antarctic Toothfish (Dissostichus mawsoni) longline fishery in the ... . Risks are considered in 4 categories: 1. Target species harvest: Risks of depletion of Antarctic ... species. 4. Exogenous effects: Risks of change in the marine ecosystem due to, or exacerbated by ... ecosystem mass-balance models can provide insights into these factors for some risks. In addition, semi ...
Meeting Document : WG-EMM-07/24 : Author(s): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)
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A quantified Bayesian maximum entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the 2000 CCAMLR survey
Bayesian framework also allows an intrinsic calculation of the error in any resulting density estimate ... . During the survey, data were integrated at approximately 1 nm intervals, resulting in 9,586 observed data ... ) were calculated for all 1,726,332 pixels in the reconstructed area. The MaxEnt maps of the density ... of krill in each of the SSMUs was: Antarctic Peninsula Pelagic Area (APPA) 65.192 Mt; Antarctic ...
Meeting Document : WG-EMM-05/42 : Author(s): B.G. Heywood, S.F. Gull and A.S. Brierley (United Kingdom)
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Assessment of krill biomass in fishing grounds using the data on fishing intensity and hydroacoustic method
krill biomass estimate produced by the echo integrating apparatus used in the layer fished with the ... trawl. As applied to the estimate of trawl catchability in the krill fishery, this method is reliable ... fishing trawls in order to illustrate the closeness of the two methods. The estimates of the krill biomass ... integrating apparatus are also compared. Theoretical bases of the calculation methods used are stated in a ...
Meeting Document : SC-CAMLR-VIII/BG/10 : Author(s): USSR
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Pilot study on electrophoretic variation and stock structure in the mackerel icefish, Champsocephalus gunnari, South Georgia waters
Abstract: The use of allozymes as a tool in stock structure analysis was examined in the ... stock separation among samples in South Georgia waters. Four samples (116 individuals) of icefish were ... indicate that localised stocks of C. gunnari exist in South Georgia waters. The questions posed by the non ... : Pilot study on electrophoretic variation and stock structure in the mackerel icefish, Champsocephalus ...
Meeting Document : WG-FSA-90/10 : Author(s): G.R. Carvalho and D.P. Lloyd-Evans (United Kingdom)