Resultados de la búsqueda
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Estimating abundance of Antarctic fur seals at South Georgia
Abstract: This paper presents a description of the statistical approach developed to estimate ... abundance of Antarctic fur seals at South Georgia. The estimate is based on photographic counts of all the ... total population size carrying over multiple sources of uncertainty from estimates of proportions of ... Kingdom) Title: Estimating abundance of Antarctic fur seals at South Georgia Approval: Approved ...
Meeting Document : WG-EMM-14/09 : Autor(es): J. Forcada, I.J. Staniland, A.R. Martin, A.G. Wood and P.N. Trathan (United Kingdom)
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Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.1
Abstract: The current season (2014/15) is the final one of the first three-season research which ... Petersen estimator and the CPUE x seabed analogy method. Understanding of the resource structure through ... clarification of their life history is essential to establish stock assessment and robust stock/ fisheries ... management of Dissostichus spp. population(s) in data- poor exploratory fisheries. During the second three ...
Meeting Document : WG-FSA-15/17 : Autor(es): Delegation of Japan
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Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.2
Abstract: The current season (2014/15) is the final one of the first three-season research which ... method using updated CCAMLR C2 data and reference area sizes. Understanding of the resource structure ... through clarification of their life history is essential to establish stock assessment and robust stock ... / fisheries management of Dissostichus spp. population(s) in data- poor exploratory fisheries. During the ...
Meeting Document : WG-FSA-15/18 : Autor(es): Delegation of Japan
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Report on the survey in Subarea 48.2 in 2015 (the first year of the planned 3-year-old investigations)
longliner SIMEIZ. 29 sets were completed during the survey. Altogether 157 specimens of Dissostichus mawsoni ... and 21 specimens of Dissostichus eleginoides were tagged. 124 otolith pairs of Dissostichus mawsoni ... and 87- Dissostichus eleginoides were collected. The average sizes of Dissostichus mawsoni from the ... catches made up about 156 cm. Investigated maturity stages and stomach composition of Dissostichus spp ...
Meeting Document : WG-FSA-15/43 Rev. 1 : Autor(es): Delegation of Ukraine
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Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Division 58.4.1
Abstract: The current season (2015/16) is the first one of the second three-season research in ... analogy method. Understanding of the resource structure through clarification of their life history is ... essential to establish stock assessment and robust stock/ fisheries management of Dissostichus spp ... enhanced tagging program, and collection and analysis of biological data including otoliths and gonads to ...
Meeting Document : WG-SAM-16/04 : Autor(es): Delegation of Japan
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Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Division 58.4.2
Abstract: The current season (2015/16) is the first one of the second three-season research in ... reference area sizes. Understanding of the resource structure through clarification of their life history is ... essential to establish stock assessment and robust stock/ fisheries management of Dissostichus spp ... enhanced tagging program, and collection and analysis of biological data including otoliths and gonads to ...
Meeting Document : WG-SAM-16/05 : Autor(es): Delegation of Japan
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Diet composition of Antarctic toothfish
determined. Sampling efforts were made during a longline survey of pre-recruit toothfish from commercial ... muscle tissue of Antarctic toothfish, bycatch specimen and icefish in the stomachs indicated a trophic ... connection between the toothfish and icefish. In this study, similarities in the δ13C values δ15N values of ... Antarctic toothfish indicate they occupy same trophic position irrespective of the area, body size, sex, and ...
Meeting Document : WG-FSA-16/06 : Autor(es): Delegation of the Republic of Korea
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Monitoring and managing the effects of environmental change on toothfish assessments
Abstract: This paper presents a ‘first-step’ proposal for CCAMLR to consider the effects of ... environmental conditions that are maintained over a number of years, which includes the effects of global ... climate change. The effects of environmental variability and change on toothfish population dynamics and ... productivity are largely unknown and are difficult to predict given our current understanding of the Southern ...
Meeting Document : WG-SAM-18/22 : Autor(es): M. Pinkerton, A. Dunn, S. Mormede and S. Parker
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Uncertainty in reported geographical distribution and weight of krill catches from Norwegian krill fishing vessels operating continuous fishing systems
of actions that would facilitate further consideration and clarification of these technical issues ... the outcome of the action steps including onboard experiments and analyses of historical catch data ... . Experiments on board ‘Saga Sea’ showed that there is an average delay of approximately 9 minutes between the ... relative standard deviation of 8-29% should be expected depending on vessel and specific holding tank ...
Meeting Document : WG-EMM-18/22 : Autor(es): G. Skaret, T. Knutsen, F. Grebstad and O.A. Bergstad
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Mesozooplankton distribution and community structure in the Pacific and Atlantic sectors of the Southern Ocean during austral summer 2017/18: a pilot study conducted from Ukrainian longliners
Abstract: Preliminary results of the pilot study of the mesozooplankton in the region between the ... were collected in the top 100 m water layer using vertical tows of the 0.1 m-2 Juday net from four ... seasonal and geographical zooplankton sampling coverage at the fraction of the cost of the full scale ... oceanographic surveys. The potential of such surveys are enormous in both providing invaluable information ...
Meeting Document : WG-FSA-18/19 : Autor(es): E.A. Pakhomov, L.K. Pshenichnov, A. Krot, V. Paramonov, I. Slypkо and P. Zabroda