Résultats de la recherche
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Sea ice characterisation of the proposed Ross Sea region Marine Protected Area Special Research Zone
January in 8 seasons, open later (mostly after the fishery closed) and never completely cleared in 4 ... Abstract: Paper CAMLR-XXXIV/29 proposes an MPA for the Ross Sea region that includes a Special ... ice within and surrounding the boundaries of the proposed SRZ over the past 16 years, the impact it ... has had on the fishery in the area during that time, and potential influences sea ice might impose on ...
Meeting Document : SC-CAMLR-XXXIV/BG/31 : Auteur(s): S. Parker, S. Hoyle, S. Hanchet and R.J.C. Currey (New Zealand)
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By-catch in Australian fisheries in Divisions 58.5.2, 58.4.2 and 58.4.3 during the 2002/03 and 2003/04 fishing seasons
recapture, even after extended periods at liberty. The distances travelled ranged between 0.2 to 7 nm with ... Abstract: This paper presents bycatch information for the Australian fisheries in Divisions ... 58.5.2, 58.4.2 and 58.4.3, with estimates of total removals by fishing ground for the 2002/2003 and 2003 ... /2004 seasons. Bycatch in the trawl fisheries was low, approximately 1 to 2% of the total catch (target ...
Meeting Document : WG-FSA-04/68 : Auteur(s): E. van Wijk and R. Williams (Australia)
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Results of a research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012
endorsed a proposal to carry out this work once the fishery had closed at the end of the 2011/12 season ... Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... recruitments from a well-designed survey could be a useful input into the Ross Sea stock assessment model and ... . The survey had two main objectives: (i) To establish the feasibility of developing a time series of ...
Meeting Document : WG-SAM-12/29 : Auteur(s): S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)
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Cephalopods and mesoscale oceanography at the Antarctic polar front: satellite tracked predators locate pelagic trophic interactions
features associated with the bathymetry of the northern end of the Northeast Georgia Rise and near a gap in ... Abstract: Predator data and exploratory fishing in the Scotia Sea have revealed the presence of ... cephalopod stocks in the Antarctic Polar Frontal Zone (PFZ). This is a vast, remote region where large ... cephalopod concentrations, and sampled them with commercial and scientific nets to determine the relationship ...
Meeting Document : WG-EMM-96/12 : Auteur(s): Murphy, E.J., Trathan, P.N., White, M.G., Bone, D.G., Hatfield, E.M.C., Rodhouse, P.G., Prince, P.A., Watkins, J.L.
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A comparison of densities and length distribution of the Champsocephalus gunnari stock in Subarea 48.3 between years 1994 and 1995
Abstract: Mean densities and length structure of Champsocephalus gunnari obttained in the 1994 ... determined by a search procedure yielding randomly selected clusters of stations located within the 50–150 ... ; 151–250 and 251–500 m depth strata. The cluster structure is considered as a nested factor in an ANOVA ... design. Forty five stations in the first cruise and 48 in the second were analyzed. Of these, 51 pairs of ...
Meeting Document : WG-FSA-95/34 : Auteur(s): Marschoff, E., Calcagno, J., Gonzalez, B.
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Observation on the interactions between marine mammals and mid-water krill trawl
thereby was not attracted extensively by the presence of the fishing vessel. Chasing after the krill ... Abstract: An observation on the interaction between marine mammal and krill midwater trawl was ... carried out onboard the Chinese krill fishing vessel Fu Rong Hai during the 2018/19 fishing season. The ... conducted visually with the aid of a SLR Camera and a Marine Binocular. Sea surface observation in Subarea ...
Meeting Document : WG-FSA-2019/60 : Auteur(s): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu
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The effects of monitoring procedures on Adélie penguins
Paper Title: The effects of monitoring procedures on Adélie penguins Abstract / Description: The ... effects of flipper bands, implanted tags, gastric lavage and external instrument attachment on the ... , Antarctica. The return rates of birds carrying bands and/or implanted electronic transponders were compared ... to investigate the contribution of bands to bird mortality and to determine rates of band and tag ... tags by the end of the 1992/93 season) of one tag failing after nine months. Thirty-four chicks ... end of which had penetrated the elbow joint. Closed stainless steel bands transferred at regular ... greater significance towards the end of the breeding season when meals are larger and less frequent and ... loss in King penguins has been estimated at 22% during the first year after banding (Weimerskirch ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 155–164 : Auteur(s): Clarke, J. and K. Kerry
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The winter pack-ice zone provides a sheltered but food-poor habitat for larval Antarctic krill
from the ice. The larvae feed on this sparse ice-associated food during the day. After sunset, they ... Abstract: A dominant Antarctic ecological paradigm suggests that winter sea ice is generally the ... main feeding ground for krill larvae. Observations from our winter cruise to the southwest Atlantic ... sector of the Southern Ocean contradict this view and present the first evidence that the pack-ice zone ...
Meeting Document : WG-EMM-18/P04 : Auteur(s): B. Meyer, U. Freier, V. Grimm, J. Groeneveld, B.P.V. Hunt, S. Kerwath, R. King, C. Klaas, E. Pakhomov, K.M. Meiners, J. Melbourne-Thomas, E.J. Murphy, S.E. Thorpe, S. Stammerjohn, D. Wolf-Gladrow, L. Auerswald, A. Götz, L. Halbach, S. Jarman, S. Kawaguchi, T. Krumpen, G. Nehrke, R. Ricker, M. Sumner, M. Teschke, R. Trebilco and N.I. Yilmaz
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A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia
Paper Title: A composite recruitment index to describe interannual changes in the population ... substantial differences, due in part to bias arising from a large number of krill in just one of the station ... net hauls. Therefore, when the number of station net hauls is limited, bias is likely to be reduced if ... target net haul data can be included by using the composite recruitment index. This index is used to ... population structure have been obtained from krill eaten by predators at the western end of South Georgia ... in offshore waters at the eastern end of the island. The calculation of recruitment indices from ... the eastern end of the island, while in contrast large krill, when present, tended to occur at the ... western end of the island. In general, the combined distributions appeared to be dominated by one or ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Auteur(s): Watkins, J.L
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CHINSTRAP PENGUINS: MISUNDERSTOOD AND VULNERABLE MONITORS OF ECOSYSTEM CHANGES IN THE SCOTIA SEA REGION OF ANTARCTICA
Abstract: Sea ice plays a critical role in structuring ecosystem dynamics throughout the Scotia ... area directly. A paradigm guiding recent research in the Western Antarctic Peninsula (WAP) region of ... the SS, the “sea-ice hypothesis”, suggests that declines in the seasonal extent and duration of sea ... , 30 years of field studies in the WAP, coupled with more regional surveys throughout the Scotia Sea ...
Meeting Document : WG-EMM-09/17 : Auteur(s): W.Z. Trivelpice, J.T. Hinke, A.K. Miller, C. Reiss, S.G. Trivelpiece and G.M. Watters (USA)