Search results
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Uncertainty in echosounder calibrations
and 1.4 dB for a 38.1 mm WC sphere. Vector admittance measurements were made of an ES120 transducer ... Abstract: Calibration of echo sounders for fish stock assessment are commonly performed using the ... deviations of 0.1, 0.3, and 0.2 dB, respectively. To characterize the precision of the method for a fixed ... sphere TS versus time. Over two 15 hour periods, the measured TS ranged 1.2 dB for a 23.0 mm Cu sphere ...
Meeting Document : WG-EMM-96/40 : Author(s): Soule, M.A., Demer, D.A.
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Conservation Measure Conservation Measure 69/XII (1993)
with Article IX (2) (g) of the Convention. 2. The total catch of Dissostichus eleginoides in Statistical ... Limits on the Fishery for Dissostichus eleginoides in Statistical Subarea 48.3 for the 1993/94 ...
Conservation Measure : 69/XII (1993)
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Species variability and population structure of Euphausiacea in Admiralty Bay (King George Island; South Shetland Islands) during Antarctic summer
, is an interesting area for that kind of biological study. Moreover, King George Island, where ... three Pygoscelis penguin species. The data presented here is based on samples collected during an ... Euphausia superba, E. frigida, E. crystallorophias and Thysanoessa macrura. Th. macrura, compared for ... result, population structure analyses were possible only for the Th. macrura individuals. The data also ...
Meeting Document : WG-EMM-14/60 : Author(s): A. Panasiuk-Chodnicka, J. Wawrzynek and M. Iwona Żmijewska (Poland)
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Stock assessment of the Patagonian toothfish, Dissostichus eleginoides, harvested by the French fishery at Kerguelen Islands (Division 58.5.1 of the CCAMLR)
the fishery is modeled using different functions for fishery selectivity depending on the fishing zone ... and the type of fishing vessels (trawlers, long-liners). The fishing zone for the long-liners is ... datasets was integrated using the effective samples’ size calculated at the level of each haul. An ... iteratively estimated process error was applied to the length frequency data. With an initial biomass of about ...
Meeting Document : WG-FSA-11/28 : Author(s): A. Relot-Stirnemann (France)
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Results of scientific observation on board RKT-S (cannery fishing super trawler) Konstruktor Koshkin in Statistical Area 48 in March–June 2003 as compared with previous seasons
and 48.3 in 2003 compared to the previous years. Author(s): V.A. Bibik and S.A. Klementiev (Ukraine) Title ... compared to the previous years. ...
Meeting Document : WG-EMM-04/10 : Author(s): V.A. Bibik and S.A. Klementiev (Ukraine)
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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 ... Over the last few years, the designation of Marine Protected Areas (MPA) in Antarctica has been ...
Meeting Document : CCAMLR-XXXIV/BG/29 : Author(s): Delegation of the Russian Federation
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Exploratory longline fishing around the Kerguelen Islands (Division 58.5.1). Description of the fishing effort; catchability and target size of Dissostichus eleginoides
by trawlers. The vessel is equipped with an automatic longline baiter which has an efficiency of ... being extremely small (0,28%). Length frequency distributions (LFD) observed for Dissostichus ... previously by trawlers in the same area. This average length is comparable for the two successive fishing ... seasons (93.4 cm in 1990/91 and 92.95 cm in 1991/92). The fish caught are for the most part adults, and a ...
Meeting Document : WG-FSA-92/31 Rev. 1 : Author(s): G. Duhamel (France)
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Developing priority variables (“ecosystem Essential Ocean Variables” – eEOVs) for observing dynamics and change in Southern Ocean ecosystems
Ocean Observing (FOO) to begin developing ecosystem Essential Ocean Variables (eEOVs) for the Southern ... Ocean Observing System (SOOS). An eEOV is a defined biological or ecological quantity, which is derived ... support assessments. In this paper we outline the rationale, including establishing a set of criteria, for ... selecting eEOVs for the SOOS and develop a list of candidate eEOVs for further evaluation. Other than ...
Meeting Document : WG-EMM-16/P11 : Author(s): A.J. Constable, D.P. Costa, O. Schofield, L. Newman, E.R. Urban Jr., E.A. Fulton, J. Melbourne-Thomas, T. Ballerini, P.W. Boyd, A. Brandt, W. de la Mare, M. Edwards, M. Eléaume, L. Emmerson, K. Fennel, S. Fielding, H. Griffiths, J. Gutt, M.A. Hindell, E.E. Hofmann, S. Jennings, H.S. La, A. McCurdy, B.G. Mitchell, T. Moltmann, M. Muelbert, E. Murphy, T. Press, B. Raymond, K. Reid, C. Reiss, J. Rice, I. Salter, D.C. Smith, S. Song, C. Southwell, K.M. Swadling, A. Van de Putte and Z. Willis
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Development of methods for evaluating the management of benthic impacts from longline fishing using spatially explicit production models, including model validation
Abstract: An important management objective for CCAMLR in the high seas region of the Antarctic ... investigate a range of scenarios for simulating the effect and management of benthic impacts from longline ... tool for the investigation of impacts of fishing effort on benthic organisms. They have the advantage ... an improved outcome relative to scenarios where there was no management action, but that the ...
Meeting Document : WG-FSA-10/29 : Author(s): A. Dunn, S.J. Parker and S. Mormede (New Zealand)
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Depletion experiment of Dissostichus eleginoides stock in the south of South Georgia Island (Antarctica)
Abstract: Ten hauling for Dissostichus eleginoides were performed from the 11lth to the 21 of ... projected to 3244.8 nm2, obtaining an estimated biomass of 937.8 ton. Due to statistical limitations of ... given by the vessel were confirmed with information obtained from an automatic position system (ARGOS ...
Meeting Document : WG-FSA-94/31 : Author(s): P. Rubilar, C.A. Moreno (Chile) and J. Ashford (United Kingdom)