Résultats de la recherche
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IN SITU MEASUREMENTS OF TILT ANGLE DISTRIBUTION AND TARGET STRENGTH IN ANTARCTIC KRILL (EUPHAUSIA SUPERBA)
crucial for biomass estimates of the species, but in situ investigations regarding this are still very ... scarce. We conducted a field study in the Southern Ocean where one of the objectives was to acquire data ... South Georgia and the Bouvet Island and we here in part present the methods applied and give examples of ... Abstract: Knowledge of the scattering properties of Antarctic krill (Euphausia superba) is ...
Meeting Document : WG-EMM-08/29 : Auteur(s): G. Skaret, S.A. Iversen, T. Knutsen, R.J. Korneliussen, E. Ona, R. Pedersen, A. Totland, T. Torkelsen (Norway) and X. Zhao (China)
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Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys
Commission Scientific Committee (IWC SC) in the context of the research programs ‘International Decades of ... abundance of whales in relevant subareas for krill management, and the second is on the concentration of ... Abstract: This paper examines temporal changes in distribution and sighting density indices of ... in EMM-15 that an analysis of historical cetacean surveys in IWC Area II could provide a context for ...
Meeting Document : WG-EMM-16/26 : Auteur(s): L.A. Pastene and T. Hakamada
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Proposed continuation of a multi-Member longline survey on Antarctic toothfish (Dissostichus mawsoni) in Statistical Subarea 48.6 in 2018/19 by Japan and South Africa
various demographic parameters of Antarctic toothfish (Dissostichus mawsoni) in the Subarea 48.6 in 2018 ... characteristics and thereby contribute to the development of spatial population models and assessments in support ... ) and will supplement and expand previous efforts to characterize the local toothfish populations in the ... of management advice. Additional outcomes of the research include documenting relative abundance of ...
Meeting Document : WG-SAM-18/04 : Auteur(s): Delegations of Japan and South Africa
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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 propose a plan to continue investigate the populations of Patagonian ... toothfish (Dissostichus eleginoides) in the Division 58.4.4b during the next fishing season (2018/19) from ... 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, tagging toothfish for ...
Meeting Document : WG-SAM-18/03 : Auteur(s): Delegations of Japan and France
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STATE OF ANTARCTIC KRILL (EUPHASIA SUPERBA) FISHERIES IN STATISTICAL SUBAREA 48.2 IN 2008
Abstract: The article is based on the data sampled by the authors in the 29th cruise of f/v ... fishable biomass in the different periods of observations, krill biological state, hydro meteorological and ... “Konstruktor Koshkin” (shipowner is the company “Interrybflot”, Sevastopol, Ukraine) in Subarea 48.2 from March ... till April 2008. The paper has analyzed the distribution of commercial aggregations of krill, their ...
Meeting Document : WG-EMM-08/24 : Auteur(s): V.A. Bibik and N.N. Zhuk (Ukraine)
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Comparison of temperature situation near South Georgia in December–February, 1989–1990, 1990–1991, 1999–2000 and 2000–2001 on satellite data and information about krill catches in Subarea 48.3
Abstract: Monitoring of the sea surface temperature (SST) in Subarea 48.3 on satellite data (GOES ... -E, Meteosat), use of in situ data and the further analysis of the SST maps, maps of the SST ... situation of krill fishery in Subarea 48.3 for the entire coming year already by the summer season onset ... anomalies and dynamics provide strictly special, but constant information on hydrological situation in the ...
Meeting Document : WG-EMM-01/11 : Auteur(s): G. Vanyushin (Russia)
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Measurement of capacity in CCAMLR exploratory fisheries in Subareas 88.1 and 88.2: Secretariat update 2018
not indicate an excess of capacity in the fishery. Interpretation of data for 2018 should be made in ... the context of changes in the area of operation and the application of fishery closures in the ... Abstract: This paper presents an update of the metrics of capacity and capacity utilisation ... fisheries in Subareas 88.1 and 88.2. The updated metrics show the same pattern as in previous updates and do ...
Meeting Document : WG-FSA-18/15 : Auteur(s): CCAMLR Secretariat
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Measurement of capacity in CCAMLR exploratory fisheries in Subareas 88.1 and 88.2: Secretariat update 2019
do not indicate an excess of capacity in the fishery. Interpretation of data for 2018 and 2019 ... should be made in the context of changes in the area of operation and the application of fishery ... closures in the exploratory fishery in Subarea 88.1. Author(s): CCAMLR Secretariat Title: Measurement of ... Abstract: This paper presents an update of the metrics of capacity and capacity utilisation ...
Meeting Document : WG-FSA-2019/06 Rev. 1 : Auteur(s): CCAMLR Secretariat
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Foraging energetics of Antarctic fur seals in relation to changes in prey availability
when food was plentiful and when it was scarce. The energy expenditure and change in body mass of ... . Krill, the nearly exclusive prey of breeding females, were very scarce in 1984 at South Georgia. Fur ... parturition in 1984, and both pup mortality and the proportion of pups that died from starvation were double ... account for the observed between-year difference in at-sea FMR of C. ursinus while foraging-trip duration ...
Meeting Document : SC-CAMLR-VIII/BG/13 : Auteur(s): Delegation of United Kingdom
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Bycatch of skates (Rajiformes) and grenadiers (Macrouridae) in longline fisheries in Subarea 48.3
range. During the period 1996–1999 skate bycatch was higher in February-March, while that of grenadiers ... Abstract: This paper investigates factors affecting the bycatch of skates (Rajiformes) and ... grenadiers (Macrouridae) taken by the longline fishery in statistical subarea 48.3. Bycatch was greater for ... vessels using autoline system than for those using the “Spanish” system, due to differences in proximity ...
Meeting Document : WG-FSA-14/47 Rev. 1 : Auteur(s): V. Laptikhovsky, M. Soeffker, M. Belchier, J. Roberts, C. Darby, J. Ellis and R. Scott (United Kingdom)