Resultados de la búsqueda
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Management of C. gunnari in Subarea 48.3
likelihood of substantial periodic variation in natural mortality rates. These may be associated with ... increased consumption of icefish by Antarctic fur seals in years of poor krill availability. Thus natural ... mortality of icefish may, in some years, increase by a large factor (assumed here to be 4) declining to ... , G.P., Parkes, G.B., Everson, I., Agnew, D.J. Title: Management of C. gunnari in Subarea 48.3 Approval ...
Meeting Document : WG-FSA-97/38 : Autor(es): Kirkwood, G.P., Parkes, G.B., Everson, I., Agnew, D.J.
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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 : Autor(es): Barrera-Oro, E., Casaux, R.
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Revised research plan for the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2: Fundamentals and procedures (this is a revision of WG-SAM-12/13)
Dissostichus spp in Divisions 58.4.1 and 58.4.2, submitted to the XXXI-WG-SAM, taking into account the ... and the tag-recapture estimates using the Simple Petersen model. To evaluate the potential success in ... achieving the objectives three study areas with high historical effort have been selected in different SSRUs ... for Dissostichus spp. in Divisions 58.4.1 and 58.4.2: Fundamentals and procedures (this is a revision ...
Meeting Document : WG-FSA-12/69 : Autor(es): R. Sarralde, L.J López Abellán and S. Barreiro (Spain)
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Analysis of the longline fishery data in the Ross Sea (SSRUs 881B, C and G)
Abstract: The analysis of the toothfish fishery data in the northern part of the Ross Sea (SSRU ... respect to the fishery data in the year under consideration. It was shown that total questionable catch ... should be treated. It was also shown that the current approach to analyze longline fishery data in the ... . Author(s): S. Kasatkina Title: Analysis of the longline fishery data in the Ross Sea (SSRUs 881B, C and ...
Meeting Document : WG-FSA-16/14 : Autor(es): S. Kasatkina
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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 : Autor(es): Delegations of the Republic of Korea and New Zealand
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): USSR
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ANALYSIS OF THE POTENTIAL FOR AN ASSESSMENT OF TOOTHFISH STOCKS IN DIVISIONS 58.4.1, 58.4.2
Abstract: Exploratory fisheries for Dissostichus spp. have been operating in these regions for a ... paper presents a detailed study of the catch and effort trends in Divisions 58.4.1 and 58.4.2 and a ... . López Abellán (Spain) Title: ANALYSIS OF THE POTENTIAL FOR AN ASSESSMENT OF TOOTHFISH STOCKS IN ...
Meeting Document : WG-SAM-08/04 : Autor(es): D.J. Agnew, C. Edwards, R. Hillary, R. Mitchell (UK) and L.J. López Abellán (Spain)
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Blue-eyed shags as indicators of changes in ittora fish populations
species identified by the examinations of otoliths present in regurgitated cast and those regularly ... sampled with trammel-nets in the same area. Supporting literature for this proposal is also provided ... . Author(s): R. Casaux and E. Barrera-Oro (Argentina) Title: Blue-eyed shags as indicators of changes in ...
Meeting Document : WG-CEMP-93/25 Rev. 1 : Autor(es): R. Casaux and E. Barrera-Oro (Argentina)