Résultats de la recherche
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Decadal trends in abundance, size and condition of Antarctic toothfish in McMurdo Sound, Antarctica, 1972–2011
dominated by fish in the upper two-thirds of the overall distribution exhibited in the industrial catch for ... the study area. Fish condition positively correlated with the amount of open water in the Ross Sea ... Abstract: We report the analyses of a dataset spanning 39 years of near-annual fishing for ... unit effort (CPUE) were derived from the > 5500 fish caught, the large majority of which were ...
Meeting Document : WG-FSA-12/P04 : Auteur(s): D.G Ainley, N. Nur, J.T Eastman, G. Ballard, C.L Parkinson, C.W Evans and A.L. DeVries
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Using digital video monitoring systems in fisheries: applications for monitoring compliance of seabird avoidance devices and seabird mortality in Pacific halibut longline fisheries
) in the Pacific halibut longline fleet operating off the state of Alaska. The project was conducted on ... two of the IPHC stock assessment survey vessels fishing in Alaska during 2002. The objectives of the ... EMS was successful in detecting streamer line deployment and relative position on 100% of the daytime ... size of the seabird. In conclusion, this study indicates that an EMS monitoring program would produce ...
Meeting Document : WG-FSA-04/24 : Auteur(s): R.T. Ames, G.H. Williams and S.M. Fitzgerald (USA)
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Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in trammel net catches at Potter Cove, South Shetland Islands
Abstract: A monitoring program of demersal fish in inshore sites of the South Shetland Islands ... in Harmony Cove, Nelson Island, in the austral summer 1995/96. The decline in trammel net catches of ... fjord fishes of the species Notothenia rossii and Gobionotothen gibberifrons in relation to the non ... . The most likely explanation for the decrease in recruitment to the inshore sub-populations of N ...
Meeting Document : WG-FSA-98/57 : Auteur(s): E. Barrera-Oro, E.R. Marschoff and R.J. Casaux (Argentina)
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Proposal for a winter longline survey of Antarctic toothfish in Subarea 88.1 SSRUs B–C in 2016
Committee in 2013. The longline survey is designed to cover key gaps in the knowledge of the life cycle of ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea by collecting biological samples from a range of ... to investigate the spawning timing and locations of Antarctic toothfish in the northern Ross Sea ... Abstract: We propose to conduct a scientific survey during the austral winter in the northern ...
Meeting Document : WG-SAM-15/47 : Auteur(s): S.J. Parker, S.M. Hanchet and R.J.C. Currey (New Zealand)
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European Union – Measurement of capacity in CCAMLR exploratory fisheries in Subareas 88.1 and 88.2
fishery. The number of vessels operating in the fishery has progressively increased in recent years yet ... individual vessels have reduced. This report investigates recent trends in the development of the Ross Sea ... fishery in order to be aware of the pressures within the fishery as well as the trends and changes that ... standard metrics of capacity and capacity utilisation that can be used to monitor trends in the fishery ...
Meeting Document : WG-SAM-14/19 : Auteur(s): Delegation of the European Union
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Investigating emigration in stock assessment models of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H
Abstract: In 2013, the Scientific Committee of CCAMLR could not achieve consensus on a stock ... the recaptures of tagged fish seen in the SSRU 88.2H fishery. The patterns showed a sharp decay rate ... recapture data we carried out a series of simple simulations in R. This suggested that the observed pattern ... mortality rate. Both of these approaches were unsuccessful in achieving an adequate fit to the tag data ...
Meeting Document : WG-FSA-14/56 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Revised continuation proposal of a multi-Member longline survey on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b in 2018/19 by Japan and France
Abstract: Japan and France revised a plan to continue to investigate the populations of ... Patagonian toothfish (Dissostichus eleginoides) in the Division 58.4.4b during the next fishing season (2018 ... Japan so that selectivity and catch rates can be standardized across the vessels and impacts of ... depredation be minimized. Additional outcomes of the research relate to documenting the degree of depredation ...
Meeting Document : WG-FSA-18/44 : Auteur(s): Delegations of Japan and France
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Review of fish and invertebrate by-catch in trawl fisheries in Division 58.5.2
58.5.2. On average, 94 % of hauls in the D. eleginoides fishery and 93% of hauls in the C. gunnari ... bycatch weights to estimates of total bycatch removed from the fishery. Bycatch in these trawl fisheries ... is very low. From 1996/97 to 2001/02, a total of 95 tonnes of bycatch was caught in the D ... . eleginoides fishery and 46 tonnes in the C. gunnari fishery. These values represent 1 and 2% respectively, of ...
Meeting Document : WG-FSA-02/46 : Auteur(s): E.M. van Wijk and R. Williams (Australia)
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Diet composition of Antarctic toothfish caught in Divisions 58.4.1 and 58.4.2 in 2014/15 inferred from fatty acid stable isotope analyses
muscle tissue of Antarctic toothfish, bycatch specimen and icefish in the stomachs indicated a trophic ... connection between the toothfish and icefish. In this study, similarities in the δ13C values δ15N values of ... Abstract: To identify the important prey items for pre-recruit Antarctic toothfish in the SSRUs ... fishing vessel. In the previous studies, similarities in total FA compositions and the FA profiles in ...
Meeting Document : WG-EMM-16/31 : Auteur(s): Delegation of the Republic of Korea
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Trends in entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at South Georgia
doubled in the same period, so that the overall total of animals entangled may even have increased ... negligible effects on the reproductive rate of the South Georgia population, especially in relation to its ... current rate of population increase. The reduction in observed entanglement incidence cannot be attributed ... ): Delegation of the United Kingdom Title: Trends in entanglement of Antarctic fur seals (Arctocephalus gazella ...
Meeting Document : SC-CAMLR-XV/BG/03 : Auteur(s): Delegation of the United Kingdom