Résultats de la recherche
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Sharks by-catch observed on bottom longlines fishery off the Kerguelen Islands in 2006–2016, with a focus on Etmopterus viator
revealed females significantly taller than males and the deepest record of E. viator in Kerguelen waters ... bycatch within the Kerguelen EEZ (northern part of the plateau). From 2006 to 2016, crew reported the ... total catches of the line and observers were asked to identify and count fish bycatch on 25% of the ... distributions of the shark bycatch species and their relative abundance. Length-frequency for E. viator showed a ...
Meeting Document : WG-FSA-18/25 : Auteur(s): C. Chazeau, S.P. Iglésias, N. Gasco, A. Martin and G. Duhamel
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Haul data analysis from the Polish krill fishery in 1997–1999
of 60-70 minutes. Differences in catch rates in various areas and years were observed. The highest ... -time ones in the area of King George, however, in 1997 and 1998 the situation was the opposite. Author ... Abstract: The analysis of fishing data obtained from the ship’s log of the Polish commercial ... vessel M/T Pollux facilitated the characterization of catches and concentrations of krill between ...
Meeting Document : WG-EMM-00/17 : Auteur(s): E. Jackowksi (Poland)
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
toothfish in the Ross Sea (Areas 88.1 and 88.2). Biological data from 303 returned specimens was collected ... , diet, and age estimation. All of the icefish sampled were identified as Chionobathyscus dewitti, and ... February, but this was limited, probably due to the short temporal distribution of the data. Length-at ... -maturity and age-at-maturity ogives indicated that 50% of the fish sampled were mature at about 340–360 mm ...
Meeting Document : WG-FSA-07/25 : Auteur(s): C.P. Sutton, M.J. Manning, D.W. Stevens, P.M. Marriott (New Zealand)
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Patagonian toothfish tagging study plan in the southwest Atlantic (FAO Area 41)
(Dissostichus eleginoides) in the Southwest Atlantic Ocean (FAO Area 41). Existing data on this species is ... toothfish. This work has the potential to reveal the possible connectivity among various parts of the ... Title: Patagonian toothfish tagging study plan in the southwest Atlantic (FAO Area 41) Approval ... Abstract: We propose to conduct an exploratory satellite tagging campaign of Patagonian toothfish ...
Meeting Document : WG-SAM-2019/12 : Auteur(s): C.H. Lam, K.J. Park, J. Lee and S.-G. Choi
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Methodology for automated spatial sea ice summaries in the Southern Ocean
performance in the Southern Ocean. Sea ice can limit access to fishing grounds, for both commercial fishing ... sea ice concentration data in the Southern Ocean, and relate it to data on commercial fishing vessel ... dynamics of sea ice in a target location for a specified period, and a temporal view is used to ... during historical fishing events. The distribution of local ice concentration at the time of each fishing ...
Meeting Document : WG-FSA-14/54 : Auteur(s): S.J. Parker, S.D. Hoyle, J.M. Fenaughty and A. Kohout (New Zealand)
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Practical options for developing feedback management for the krill fishery in Subarea 48.2
might facilitate the development of feedback management procedures for the krill fishery in Area 48. In ... reviewing the state of ecological knowledge for Subarea 48.2, we conclude that movement towards Stage 2 (in ... knowledge base, but that this will take time, especially in the context of climate change. We suggest that ... the Staged approach advocated by WG-EMM) is highly improbable based on the current level of ...
Meeting Document : WG-EMM-14/04 : Auteur(s): P. Trathan (United Kingdom), M. Santos (Argentina) and O.R. Godø (Norway)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in SSRU 882E including data from the 2005/06 season
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, CPUE, catch ... in a slightly higher estimate of initial biomass than in 2005, though this was mostly due to a ... different assumption of the level of natural mortality (M=0.13 y-1), and the revised length-weight and ...
Meeting Document : WG-FSA-06/48 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN SUBAREA 88.2 SSRU E FOR THE YEARS 2002/03 TO 2008/09
model resulted in a higher estimate of initial biomass than the same model for 2006, but the estimated ... initial biomass was very imprecise. The selected trips data set resulted in a more precise estimate of ... initial biomass, although there was some conflict in the likelihoods of the tag recapture observations ... from different years. The use of the selected trips with the revised maturity ogive resulted in a ...
Meeting Document : WG-FSA-09/41 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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REPORT ON AUSTRALIAN VMS TRIAL IN THE CCAMLR AREA
Abstract: This paper describes the trial of VMS equipment on Australian licensed fishing vessels ... operating in the Convention Area during the 1996/97 season. The benefits to fisheries managers and ... individual fishers are detailed, together with the operational costs of VMS equipment. A range of conclusions ... to CCAMLR objectives. Author(s): Delegation of Australia Title: REPORT ON AUSTRALIAN VMS TRIAL IN ...
Meeting Document : CCAMLR-XVI/BG/7 : Auteur(s): Delegation of Australia
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Antarctic fur seals in the South Shetland Islands: pup production and population trends
Abstract: Discovered in 1819, the South Shetland Islands soon became the focus of intensive ... censuses over a 15yr period (1987, 1992, 1994, and 1996) indicates the rate of increase in fur seal ... reports the results of a ground survey of all known fur seal colonies from Smith to Elephant Islands from ... %) and San Telmo Islands (21%). Dead pups accounted for 1.37% of the total. A comparison with previous ...
Meeting Document : WG-EMM-02/51 : Auteur(s): M.E. Goebel (USA), V.I. Vallejos (Chile), W.Z. Trivelpiece, R.S. Holt (USA) and J. Acevedo (Chile)