Resultados de la búsqueda
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands, 2002/03
study undertaken at Bird Island, South Georgia in 2002/03. In the case of Bird Island, data indicated ... Abstract: The results of the seventh annual survey of entanglement of Antarctic fur seals at ... that the number of entangled fur seals had decreased by 67% compared to the previous year, this being ... presence of the entangled seal at Signy, together with the considerable number of seals with neck collars ...
Meeting Document : SC-CAMLR-XXII/BG/13 : Autor(es): Delegation of the United Kingdom
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An assessment of toothfish in Subarea 48.3 using CASAL
Paper Title: An assessment of toothfish in Subarea 48.3 using CASAL Abstract / Description: This ... paper presents an assessment of the stock of toothfish around South Georgia (Subarea 48.3) using the ... CASAL stock assessment software (Bull et al., 2005). Detailed attention is given to the incorporation of ... as much of the available tuning data as possible, as well as a whole range of assessment ... rigorous statistical weighting of the various tuning datasets. Bayesian methods are used in the estimation ... . This would then allow calculation of long-term yields satisfying CCAMLR decision rules in the ... measurements of the catch weighted by catch size. In the early years (1985–1995) only fleet-based ... cohorts of age 1–4 fish can be identi- fied from peaks in the length-frequency data and estimates of ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Autor(es): Hillary, R.M., G.P. Kirkwood and D.J. Agnew
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Comparison of catches for toothfish in 58.4.1, 58.4.2, and 48.6 from vessels with anomalous CPUE
stocks, and uncertainty or bias in the amount of catch from an area must be taken into account in the ... assessment of a stock. In 2013, Korea held a workshop on the anomalous CPUE data reported from some Korean ... vessels in data-poor exploratory fisheries (Delegation of Korea 2013). That paper requested that the data ... Abstract: An accurate history of catch is an important input into the assessment of toothfish ...
Meeting Document : WG-FSA-13/57 Rev. 1 : Autor(es): A. Dunn, B.R. Sharp (New Zealand), C. Darby (United Kingdom) and O.R. Godø (Norway)
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Report on incidental bird mortality and effectiveness of mitigation measures during demersal long lining by Ihn Sung 66 in Subarea 48.3 - December 1993 to February 1994
daylight during which the longline is set is more important than the use of a streamer line in the ... the effectiveness of mitigation measures is described. An alternative design of streamer line for use ... with the 'Spanish' method of longlining (separate hauling and fishing lines) is described ... . The results of observations of incidental mortality of seabirds made during the fishing operations of ...
Meeting Document : WG-IMALF-94/14 : Autor(es): C. Jones and G. Parkes (United Kingdom)
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on recent survey results
’ E using standard CCAMLR methods. A pattern of 5 year classes being present simultaneously in the ... the mean biomass estimate. A catch limit of 679 t is recommended for the 2012/13 season. Author(s ... Abstract: The annual Random Stratified Trawl Survey was undertaken in Division 58.5.2 in the ... icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79 o 20 ...
Meeting Document : WG-FSA-12/26 : Autor(es): D.C. Welsford (Australia)
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Fishing intensity of Russian fleet krill fishery in Subarea 48.2 and 48.3
Abstract: The purpose of this paper was estimating commercial fleet impact on krill population in ... -by-haul data using a model of probabilistic-statistical theory of fishery systems developed in the ... aggregated in the fishing grounds was assessed basing on 22800 haul data. The analysis of Soviet fleet ... competitive with dependent predators for the krill resource. In this case, a certain spatial overlap of the ...
Meeting Document : WG-EMM-02/62 : Autor(es): S.M. Kasatkina and V.F. Ivanova (Russia)
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Designation of Marine Protected Areas in Antarctic Waters
Abstract: Over the last few years, the designation of Marine Protected Areas (MPA) in Antarctica ... ). This is indicative of the broad public interest in the subject, and also the continuously increasing ... has been the subject of active discussion. This issue was widely discussed at the last meeting of the ... CCAMLR Working Group on Ecosystem Monitoring (WG-EMM-12); it has been the subject of voluminous documents ...
Meeting Document : CCAMLR-XXXIV/BG/29 : Autor(es): Delegation of the Russian Federation
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Biomass of Antarctic krill (Euphausia superba) off east Antarctica (30–80°E) in January–March 2006
estimated to be 15.89 million tonnes with a CV of 47.93%. Most of the E. superba detected (80%) were in ... the transects at 62°S. The majority of acoustic detections were in the top 100m of the water column ... estimating the biomass (B 0) of Antarctic krill (Euphausia superba). The mean density of E. superba ... Abstract: A multidisciplinary, single-ship survey of CCAMLR Division 58.4.2 was conducted in ...
Meeting Document : WG-EMM-06/16 : Autor(es): T. Jarvis, E. van Wijk, N. Kelly, S. Kawaguchi and S. Nicol (Australia)
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Observations of Adélie penguins in two seasons with contrasting weather and sea-ice conditions – a brief report
in by the presence of the large icebergs. This resulted in extensive sea ice lasting into February ... Abstract: The 2002-03 breeding season in comparison with 2000-01 at Edmondson Point was ... colony during December coinciding with hatching and the guard stage. The sea ice in the Ross Sea was held ... adjacent to the Edmonson Point colony. These environmental effects were accompanied by changes in CEMP ...
Meeting Document : WG-EMM-03/59 : Autor(es): S. Olmastroni, F. Pezzo, V. Volpi and S. Focardi (Italy)
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Remarks on natural mortality of Dissostichus eleginoides in Subarea 48.3
Abstract: With samples originated in the Chilean longline fishery of Dissostichus eleginoides of ... sites. By other hand, when comparing the different mean values of M for the different variables, it was ... hooks N° 22. The general mean value of M calculated for the 44 analyzed situations was 0.14 ± 0.03 ... the considered cases with the different growing parameters, with the exception of the case of fishing ...
Meeting Document : WG-FSA-92/21 Rev. 1 : Autor(es): C.A. Moreno and P.S. Rubilar (Chile)