Search results
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Further development and progress towards evaluation of an Antarctic toothfish (Dissostichus mawsoni) stock model for the Ross Sea
Abstract: This report outlines the development of a Bayesian sex and age structured population ... were investigated. The first scenario considered the Ross Sea fishery as a single homogeneous area ... provide a better representation of the some of the observations, although there was a lack of any ... adequately. In both of the spatial models, there was a lack of useful data on area splits, migration rates ...
Meeting Document : WG-FSA-SAM-05/12 : Author(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)
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Beach debris survey, Signy Island, South Orkney Islands 2000/2001
size categories. A total of 16 items weighing 0.74kg was collected. The number of items and the total ... mass of the waste recovered was the lowest ever recorded (a decrease of 70% and 93% since 1999/2000 ... respectively). The number of plastic packaging bands (one) was also the lowest ever recorded and follows a ... Signy Island has been showing a declining trend since 1993/94. The longevity of plastics and other ...
Meeting Document : SC-CAMLR-XX/BG/05 : Author(s): Delegation of the United Kingdom
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OPERATIONAL DIFFICULTIES IN IMPLEMENTING THE CCAMLR TAGGING PROTOCOL IN DIVISION 58.4.1 IN 2007/08
a high mortality rate of fish on these lines; only fish with a high chance of survival were tagged ... closed on 30 January 2008). • The vessel caught a total of 9.757 t of Dissostichus mawsoni in Division ... fish in Division 58.4.1 at the rate required by CCAMLR. As a result, the vessel made every effort to ... tagged fish at a rate of 4.9 fish/tonne; • in Division 58.4.3b the vessel tagged fish at a rate of 4.6 ...
Meeting Document : WG-FSA-08/16 : Author(s): A.T. Lozano and O. Pin (Uruguay)
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UPDATED PRELIMINARY RESULTS OF AN ECOLOGICAL RISK ASSESSMENT FOR SEABIRDS AND MARINE MAMMALS WITH RISK OF FISHERIES INTERACTIONS
Abstract: We examined a methodology for assessing potential risk of interactions between ... fisheries and species of special interest (seabirds and marine mammals) by applying a Productivity ... -Susceptibility Analysis to a data set of species distribution, biological information and fishing effort. This ... of species interactions is clustered with greatest likelihood in a few species, where there is ...
Meeting Document : WG-FSA-08/51 : Author(s): S. Waugh, D. Filippi, N. Walker (New Zealand) and D.S. Kirby
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Potentially commercial invertebrates on Ob Bank: Moroteuthis ingens (Oegopsida) and Paralomis aculeata (Anomura) (Division 58.4.4)
Abstract: The cephalopods of the Antarctic are supposed to have a very high biomass level However ... that target searching and fishing for Moroteuthis ingens with a midwater trawl over the seamaunts in ... countries of the CCAMLR, especially in view of the development of experimental fishing by a U.S. vessel on ... Antarctic are but insufficiently known. The Anomura faune on Ob Bank is represented by a single species ...
Meeting Document : WG-FSA-96/15 : Author(s): Pshenichnov, L.K.
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Report on scientific observations onboard the Chilean longliner, ‘Puerto Ballena’, in Statistical Subarea 48.3 from March to May 1996
D. eleginoides, the estimation of the finfish by-catch, the estimation of a conversion factor of ... females with males becoming mature at a much smaller length. Black-browed albatrosses and white-chinned ... % of the longlines were set during daylight hours. Consequently, black-browed albatrosses made up a ... considerable portion of the seabird by-catch. A by-catch of 159 dead seabirds was reported by the scientific ...
Meeting Document : WG-FSA-96/22 : Author(s): Selling, J., Kock, K.-H.
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Revised stock assessment of the Patagonian toothfish, Dissostichus eleginoides, in research block C of Division 58.4.4 (Ob & Lena Banks) using CASAL
, Shinsei maru No. 3, has conducted research fishing in accordance with a research plan submitted under CM ... order to participate in the tagging program and achieve a robust stock assessment. A preliminary ... assessment of stock status of D. eleginoides in SSRU C was made by Japan using a CASAL catch-at-length model ... posterior trace. The results seem to be not yet reliable and model not yet robust to use it as a management ...
Meeting Document : WG-FSA-14/06 : Author(s): A. Rélot-Stirnemann (France)
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Research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.4
, Shinsei maru No. 3, had conducted research fishing in accordance with a research plan submitted under CM ... its intention to achieve a robust stock assessment that would provide advice on a catch limit ... according to CCAMLR decision rules. This paper aims to present a research plan for 2015/2016 that takes into ... estimated during WG-FSA 2014 using a CASAL model constructed for D. eleginoides. The vulnerable biomass was ...
Meeting Document : WG-FSA-15/67 : Author(s): A. Rélot-Stirnemann (France)
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Draft Revised Management Plan for ASPA 149, Cape Shirreff and San Telmo Island, Livingston Island, South Shetland Islands
Abstract: A draft revised Management Plan for ASPA 149 is being considered through an ... intersessional contact group formed during the 2004 meeting of the CEP/ATCM. Since a marine area is included in ... the plan, approval is required by CCAMLR. It should be noted that this area is also a CEMP site ... Management Plans for Antarctic Specially Protected Areas. In preparing the draft plan, a detailed assessment ...
Meeting Document : WG-EMM-04/8 : Author(s): Delegations of Chile and USA
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Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophrys and D. chrysostoma at Campbell Island, New Zealand, 1942–96
-browed Albatross numbers went into a steep decline in the 1970s and, since at least 1984, have been ... % and 4.8% per annum at different colonies. A demographic study carried out between 1984 and 1996 ... and 0.953, respectively). Black-browed Albatrosses breed for the first time at a younger average age ... than do Grey-headed Albatrosses (10 years and 13.5 years, respectively), have a higher average breeding ...
Meeting Document : WG-FSA-04/58 : Author(s): S.M. Waugh (New Zealand), H. Weimerskirch (France), P.J. Moore and P.M. Sagar (New Zealand)