Resultados de la búsqueda
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Performance assessment of underwater setting chutes, side setting and blue-dyed bait to minimize seabird mortality in hawaii longline tuna and swordfish fisheries – Final Report August 2003
demonstration were conducted to assess three methods’ effectiveness at avoiding incidental seabird capture ... called side setting, which entails setting gear from the side of the vessel, with other gear design the ... capture rates of treatments tested. Because side setting promises to provide a large operational benefit ... available, use of blue-dyed bait in combination with other methods, such as side setting and adequate line ...
Meeting Document : WG-FSA-03/36 : Autor(es): E. Gilman (USA), N. Brothers (Australia), D. Kobayashi, S. Martin, J. Cook, J. Ray, G. Ching and B. Woods (USA)
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Relationships between distribution of two euphausiid species and oceanographic characteristics in the Ross Sea (January–February 2000)
average length estimated, by means of the three-frequency method, based on the fluid sphere model. Net ... samples were considered the ground truth data, being compared to the acoustic estimates of krill species ... first time a detailed description of the krill distribution in the Ross Sea area related to ... oceanographic characteristics. Horizontal distribution of krill average biomass is showed separately for each ...
Meeting Document : WG-EMM-02/38 : Autor(es): A. Russo, M. Azzali, E. Biffi, G. Lanciani and E. Paschine (Italy)
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The case for including the Ross Sea continental shelf and slope in a Southern Ocean network of marine protected areas
Abstract: Both the Convention for the Conservation of Marine Living Resources (CCAMLR) and the ... Environmental Protocol to the Antarctic Treaty provide for the establishment of marine protected areas (MPAs ... ) for purposes of scientific study and to conserve unique features and components of the Antarctic ... marine ecosystem. This paper summarizes the case for including the Ross Sea within CCAMLR’s network of ...
Meeting Document : CCAMLR-XXIX/BG/26 : Autor(es): ASOC Observer
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme: Report of the ICED–CCAMLR Projections Workshop, 5 to 7 April 2018
Abstract: Climate change will alter the structure and functioning of Southern Ocean ecosystems ... , affect the ecosystem services they provide, and therefore require development of conservation and ... Southern Ocean (ICED) programme and CCAMLR brought together a range of ecologists, physical and ecological ... modellers and fisheries scientists to consider the potential impacts of climate change on Antarctic krill in ...
Meeting Document : SC-CAMLR-XXXVII/BG/16 : Autor(es): E. Murphy, N. Johnston, S. Corney and K. Reid
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Factors affecting the number and mortality of seabirds attending trawlers and longliners in the Kerguelen area
Abstract: The factors affecting the number and the mortality of seabirds attending long-liners ... ), based on observations carried out onboard by dedicated observers. Twenty-four species of seabirds were ... mainly according to the year, the cloud cover and the presence of offal for long-liners. The dumping of ... offal increased the numbers of birds attending the vessel, especially when offals can be handled easily ...
Meeting Document : WG-FSA-99/26 : Autor(es): H. Weimerskirch, D. Capdeville and G. Duhamel (France)
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Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Subarea 48.6
the procedure recommended at the WG-FSA in 2013 in order to maximize the expectation of tag-recapture ... Abstract: The current season (2014/15) is the final one of the first three-season research which ... larger than those using the CPUE method in the block 48.6_3 and 48.6_4. Predicted numbers of tag ... . Understanding of the resource structure through clarification of their life history is essential to establish ...
Meeting Document : WG-FSA-15/16 Rev. 1 : Autor(es): Delegation of Japan
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Revised reproductive analysis of Dissostichus mawsoni in SSRU 58.4.1 C for the Korean exploratory longline fishery in 2012/2013
Abstract: In the Division 58.4.1 there are two stocks of Dissostichus mawsoni, which is ... vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. However, there is not enough data to ... analyze the reproductive ecology of Dissostichus mawsoni in SSRU 58.4.1C based on the histological methods ... as a part of Korean research plan for Dissostichus spp. in SSRUs 58.4.1 C and E during 2012/2013 ...
Meeting Document : WG-FSA-13/45 : Autor(es): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K, Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)
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Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Subarea 48.6
recommended at the WG-FSA in 2013 in order to maximize the expectation of tag-recapture to the extent possible ... Abstract: The current season (2014/15) is the final one of the first three-season research which ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... the CPUE method in the block 48.6_3 and 48.6_4. Predicted numbers of tag recaptures from the estimated ...
Meeting Document : WG-SAM-15/06 : Autor(es): Delegation of Japan
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A REVIEW OF THE METHODS USED TO RELEASE SKATES (RAJIIDS), WITH OR WITHOUT TAGS, IN ANTARCTIC EXPLORATORY FISHERIES
from this programme showing an unquantifiable degree of the survivorship of returned skates, the CCAMLR ... implemented was that some form of in-water release would be the ideal to improve survival chances ... . Subsequently a number of problems have become evident with this method. The Working Group on Fish Stock ... , that it might be difficult to detect tagged rays skates if they are cut off at the sea surface rather ...
Meeting Document : WG-FSA-08/30 : Autor(es): J.M. Fenaughty (New Zealand)
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Trophic study of Ross Sea Antarctic toothfish (Dissostichus mawsoni) using carbon and nitrogen stable isotopes
Abstract: This report amalgamates stable isotope analyses of fish (n=476), squid (n=50) and ... variables in explaining the variation of δ15N and δ13C. Positive relationships between length and δ15N ... indicate that, very generally, larger fish consume prey of a higher trophic level than smaller fish. There ... range of 7 ‰ (9–16 ‰) in δ15N, which is equivalent to two trophic steps. All fish, except Antimora ...
Meeting Document : WG-EMM-08/27 : Autor(es): S.J. Bury, M.H. Pinkerton, D.R. Thompson, S. Hanchet, J. Brown and I. Vorster (New Zealand)