Search results
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Pilot study using electronic satellite tags to determine movements of Antarctic toothfish in the Ross Sea region
along the Ross Sea continental slope in January 2012. They will be programmed to pop-off the fish, float ... to the surface, and transmit in December 2012. The purpose of this paper is to provide an ... announcement for members to distribute to vessels, crew and observers given the chance that these fish may be ... encountered in the fishery. The announcement details what to do if a satellite tagged fish is encountered, and ...
Meeting Document : WG-FSA-11/49 : Author(s): S. Parker (New Zealand)
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Definition of the problem of estimating fish abundance over an area from acoustic line transect measurements of density
Abstract: The problem of acoustic abundance estimation is briefly reviewed. Under proper ... density consequently reflect biological variations, or inhomogeneity in spatial distribution. The ... is defined. Related problems of estimating the variance of the abundance estimate and of mapping the ... spatial distribution are also defined. A partial list of candidate methods for solving the several ...
Meeting Document : WG-KRILL-91/08 : Author(s): K.G. Foote and G. Stefánsson (Norway)
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Penguins, fur seals, and fishing: prey requirements and potential competition in the South Shetland Islands, Antarctica
may have a significant effect on krill abundance, we estimated the energy and prey requirements of ... and female Antarctic fur seals (Arctocephalus gazella) breeding on the South Shetland Islands ... , Antarctica and compared these estimates with catch statistics from the Antarctic krill fishery. Published ... offspring. Due to their large population size, chinstrap penguins were the most significant krill predators ...
Meeting Document : WG-EMM-99/57 : Author(s): D.A. Croll and B.R. Tershy (USA)
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A methodology for estimating total finfish by-catch of the Area 48 krill fishery
Abstract: The report presents a methodology that can be used to estimate the total finfish ... bycatch of the Area 48 krill fishery and quantify the impact of bycatch on the finfish stocks using data ... that is currently available, applied to data collected by Scientific Observers on the FV Saga Sea ... and Myctophidae species using delta-lognormal GLMs presented in Martin et al. (2012). The bycatch ...
Meeting Document : WG-EMM-12/29 : Author(s): T. Peatman, S.M. Martin (United Kingdom), O.R. Godø (Norway) and R.C. Wakeford (United Kingdom)
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A preliminary assessment for mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2018 random stratified trawl survey
Abstract: The annual random stratified trawl survey was undertaken in Division 58.5.2 in the ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... Generalized Yield Model). The 2018 survey showed a large 2+ cohort in the population. Catches of 443 t in the ... 2018/19 season and 320 t in the 2019/20 season respectively satisfied the CCAMLR decision rules. Author ...
Meeting Document : WG-FSA-18/56 : Author(s): D. Maschette and D. Welsford
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Operational interactions between cetaceans and the Patagonian toothfish (Dissostichus eleginoides) industrial fishery off Southern Chile
Abstract: Operational interactions between marine mammals and the Patagonian toothfish ... 100%. Considering that in 153 (84%) of the effectively monitored sets no interaction whatsoever was ... recorded and that the mode and median of the predation rate was 0, the global impact of cetaceans over the ... =12) the rate of predation decreased to 0%. Upon detecting orca presence, sperm whales modified their ...
Meeting Document : WG-FSA-03/95 : Author(s): R. Hucke-Gaete, C.A. Moreno and J.A. Arata (Chile)
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Preliminary report on IWC-SO GLOBEC collaborative research in the western Antarctic Peninsula study area, March–June 2001
Abstract: The first three cruises in the 'year round' Southern Ocean GLOBEC series for ... on the vessels by the IWC. Passive acoustic moorings and expendable sonobuoys were deployed by the US ... passive acoustic team. The most frequently recorded and abundant baleen whale species in the study area ... correlation between autumn and early winter baleen whale distribution, the inshore cold Antarctic coastal ...
Meeting Document : SC-CAMLR-XX/BG/29 : Author(s): Observer (IWC)
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Age determination of the Antarctic fishes Champsocephalus gunnari and Notothenia rossii from South Georgia
Abstract: Foremost in the elucidation of accurate population dynamics parameters in fish is a ... used annual rhythmic deposition in calcified tissues as time marks but, due ts the lack of distinct ... difficult. It is now possible to determine the age of fish through the utilization of daily increments in ... dynamics, investigations were performed on otoliths from the Antarctic fish Champsocephalus gunnari and ...
Meeting Document : SC-CAMLR-VI/BG/43 : Author(s): R. Radtke (USA)
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Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in SSRU 5841C-a for the exploratory longline fishery in 2012/13 of Korea
Abstract: The stocks of Dissostichus mawsoni in the Division 58.4.1 were vulnerable with a big ... information to assess the robust stocks and deliberate proper measurements for sustainable utilize, especially ... fishery managements. Therefore, the Korean scientists analyze diet composition and feeding strategy of ... Antarctic toothfish, Dissostichus mawsoni in SSRU 58.4.1.C-a as a part of Korean research plan for the ...
Meeting Document : WG-SAM-13/26 : Author(s): I. Yeon, Y.J. Kwon, S.G. Choi, K.J. Seok, D.W. Lee, J.M. Jeong, S.J. Ye, H.J. Kim and G.W. Baeck (Republic of Korea)
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Results of inquiry concerning activity of Russian fishing vessel “Yantar-35” (OOO “Orion”) activity during researches conducted in the Weddell Sea (Subarea 48.5)
Abstract: According to the recommendations of the Scientific Committee and Commission (SC-CAMLR ... ) Russia provided comprehensive examination of the fishing vessel « Yantar 35 » activity during ... researches conducted in the Weddell Sea (Subarea 48.5) based on the previously provided analysis. Author(s ... ): Delegation of the Russian Federation Title: Results of inquiry concerning activity of Russian fishing vessel ...
Meeting Document : CCAMLR-XXXV/BG/29 Rev. 1 : Author(s): Delegation of the Russian Federation