Résultats de la recherche
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Some comments on the procedure of krill target strength assessment in echosurveys
: assessment of MSBS (MVBS) acoustic parameter distribution and krill length (weight) distribution in the study ... . Application of the proposed method of mean weighted TS 1 kg estimation provides the biomass estimation ... Abstract: The impact of midwater trawl selectivity and catchability upon TS and TS 1 kg estimates ... area. The latter requires to settle a complex of problems which allow to consider the trawl as a ...
Meeting Document : WG-EMM-98/21 : Auteur(s): S.M. Kasatkina (Russia)
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RESULTS OF INVESTIGATIONS ON ANTARCTIC TOOTHFISH D. MAWSONI NORMAN, 1937 (PERCIFORMES,NOTOTHENIIDAE) FEEDING IN SUBAREA 48.6 SSRU E DURING THE 2008/09 SEASON
mawsoni) from the bottom longline catches in the Lazarev Sea were carried out. The analysis of food ... Abstract: For the first time, the investigations on feeding of Antarctic toothfish (Dissostichus ... composition for males and females in the eastern Lazarev Sea showed that dominant food objects for individuals ... ), and grenadier (Macrourus whitsoni). During the investigation period the total indices of fullness of ...
Meeting Document : WG-FSA-09/25 : Auteur(s): A.F. Petrov and V.A. Tatarnikov (Russia)
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Growth of krill around the South Orkney Islands in 1989/90
Abstract: On the grounds of materials collected by biologists-02servers from October 1989 to June ... 1990 near South Orkney Islands the growth of males and females are characterized according to size ... distinguished. Period of the intensive growth of the males continued from December to April, and for the females ... 8-10 mm. The rate of growth for the males was higher among the small specimens and vice versa for ...
Meeting Document : WG-KRILL-93/36 : Auteur(s): V.I. Latogursky (Russia)
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2015 random stratified trawl survey
catches of 482 t in the 2015/16 season and 357 t in the 2016/17 season. Author(s): D.C. Welsford ... Abstract: The annual Random Stratified Trawl Survey was undertaken in Division 58.5.2 in the ... population structure, abundance and yield for the area of Division 58.5.2 to the west of 79o 20’ E using ... (Australia) Title: A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2 ...
Meeting Document : WG-FSA-15/12 Rev. 1 : Auteur(s): D.C. Welsford (Australia)
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2016 random stratified trawl survey
the population. These projections indicate that catches of 561 t in the 2016/17 season and 402 t in ... Abstract: The annual Random Stratified Trawl Survey was undertaken in Division 58.5.2 in the ... icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79 o 20 ... : A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on ...
Meeting Document : WG-FSA-16/26 : Auteur(s): D. Maschette and D. Welsford
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Revised research plan for the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2: Fundamentals and procedures (this is a revision of WG-SAM-12/13)
Abstract: A revision of the research plan for the Spanish exploratory longline fishery for ... Dissostichus spp in Divisions 58.4.1 and 58.4.2, submitted to the XXXI-WG-SAM, taking into account the ... suggestions made by the Working Group is presented. Two methods to estimate the local biomass of the toothfish ... are proposed, a depletion experiment together with the tag of some specimens using the DeLury model ...
Meeting Document : WG-FSA-12/69 : Auteur(s): R. Sarralde, L.J López Abellán and S. Barreiro (Spain)
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A case of giant squid attack on Antarctic toothfish Dissostichus mawsoni Norman, 1937 (Perciformes, Nototheniidae) caught on bottom-set longline in the Ross Sea
Abstract: In the beginning of February 2005, during the hauling of bottom-set longline in the ... species belonging and size. On the opinion of the most competent specialist on squids in the Southern ... Ross Sea (East Antarctic) from the depth of 1480 m to the surface a very large squid taken a large ... by a longline hook, was hauled up to the board of longliner VOLNA. Squid was very active and did not ...
Meeting Document : WG-FSA-06/P3 : Auteur(s): Petrov, A.F.
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Demersal fish communities in the Ross Sea region of Antarctica: comparisons between video and trawl survey methods
. Using data collected during a survey of demersal fish communities in the Ross Sea region of Antarctica ... : Demersal fish communities in the Ross Sea region of Antarctica: comparisons between video and trawl survey ... essential for understanding the ecological effects of fisheries. Such estimates are conventionally derived ... using the towed camera and at least one of the trawl types, allowing direct comparisons between sampling ...
Meeting Document : WG-FSA-12/51 : Auteur(s): D.A. Bowden, S.M. Hanchet and P.M. Marriott (New Zealand)
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Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2014–2017
research program in the Ross Sea – Subarea 88.2. Author(s): Delegation of the Russian Federation Title ... : Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in ... . The main objectives are studying of toothfish migration from SSRU 88.1 K to Subarea 88.2 A. The survey ... program was improved in accordance with recommendations of WG-SAM-2014 and intercessional work with CCAMLR ...
Meeting Document : WG-FSA-14/13 : Auteur(s): Delegation of the Russian Federation
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Modelling egg and larval transport of Antarctic Toothfish (Dissostichus mawsoni) in the East Antarctic region: Plan
yet to be fully understood. Especially in early life stage, the process of successful egg/larval ... sensitivity analysis, we explore possible transport process of egg/larvae in the East Antarctic region and it ... Abstract: Antarctic Toothfish (Dissostichus mawsoni) is one of the target species that CCAMLR ... sets catch limits in the Southern Ocean. Due to their broad distribution relating to their life cycle ...
Meeting Document : WG-SAM-2019/20 : Auteur(s): M. Mori, K. Mizobata, T. Okuda and T. Ichii