Résultats de la recherche

1. Preliminary results from the International Synoptic Krill Survey in Area 48, 2019

   Abstract:  Preliminary results from the International Synoptic Krill Survey in Area 48, 2019, are ... presented. Of the six vessels that participated in the survey, this report provides methods and preliminary ... results from four (vessels from the Association of Responsible Krill harvesting companies (ARK), Norway ... , Ukraine, and the United Kingdom), covering 8719 n. miles of acoustic transects and occupying 149 sampling ...

   Meeting Document : WG-EMM-2019/47 : Auteur(s): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S.G. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman and M.J. Cox

2. Can the chemistry of otolith nuclei determine population structure of Patagonian toothfish Dissostichus eleginoides?

   Abstract:  Otolith nucleus chemistry resolved the population structure of Patagonian toothfish ... (Dissostichus eleginoides), an exclusively marine species, along the Patagonian Shelf and North Scotia Ridge out ... to South Georgia in the Southern Ocean. Concentrations of 55Mn, 88Sr, and 137Ba, ratioed to 42Ca ... , showed a sharp population boundary in the vicinity of the Polar Front, between South Georgia and the ...

   Meeting Document : WG-FSA-06/P2 : Auteur(s): Ashford, J.R., A.I. Arkhipkin and C.M. Jones

3. Monitoring and managing the effects of environmental change on toothfish assessments

   Abstract:  This paper presents a ‘first-step’ proposal for CCAMLR to consider the effects of ... environmental conditions that are maintained over a number of years, which includes the effects of global ... climate change. The effects of environmental variability and change on toothfish population dynamics and ... productivity are largely unknown and are difficult to predict given our current understanding of the Southern ...

   Meeting Document : WG-SAM-18/22 : Auteur(s): M. Pinkerton, A. Dunn, S. Mormede and S. Parker

4. 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 : Auteur(s): D. Maschette and D. Welsford

5. Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22

   rules remain to be determined for these Divisions. WG-FSA-16/29 outlined the first multi-member ... toothfish exploratory fishery research plan up to 2017/18 for East Antarctica, which the Scientific ... Committee agreed was appropriate to achieve the research objectives (SC-CAMLR 2016, para. 3.244). Subsequent ... research progress including the evaluation of standard approaches to identify precautionary catch limits ...

   Meeting Document : WG-FSA-2019/44 : Auteur(s): Delegations of Australia, France, Japan, Republic of Korea and Spain

6. Review of biological characteristics of the Antarctic toothfish (Dissostichus mawsoni) and its distribution in Antarctic waters

   Abstract:  Results of published studies on the biology, biomass and distribution of the Antarctic ... toothfish (Dissostichus mawsoni) were reviewed. The review focused on those aspect of the species which are ... of importance for the assessment of its biomass and identification of its stocks. The trophodynamics ... of D. mawsoni are mentioned only in brief. Most published materials refer to studies conducted in the ...

   Meeting Document : WG-FSA-98/37 : Auteur(s): Secretariat

7. Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia

   Abstract:  Information on natural mortality rates of the mackerel icefish, Champsocephalus gunnari ... , from the period prior to large scale commercial harvesting is discussed. Methods based on population ... age structure and growth parameters are used. It is concluded that only in the three earliest years ... , 195 1, 1964 and 1966, do the data reflect an unexploited population. The best estimate of M from ...

   Meeting Document : WG-FSA-97/05 : Auteur(s): Everson, I.

8. Development of a fine-scale model of land-based predator foraging demands in the Antarctic

   Abstract:  The CCAMLR Secretariat has been requested to provide annual calculations of the catch ... of krill within the critical period-distance of land-based predators in Subareas 48.1 and 48.2 (100km ... from colonies, December- March). This index of the overlap of predators and the fishery is unsuitable ... is developed, which is based on a detailed model of the supposed functional interaction between these ...

   Meeting Document : WG-Joint-94/08 : Auteur(s): D.J. Agnew and G. Phegan (Secretariat)

9. Report on season extension trials in the Patagonian toothfish longline fishery in CCAMLR Statistical Division 58.5.2

   Abstract:  This paper reports on the trial of daytime fishing during the 1-15 April pre-season ... extension, in the Patagonian toothfish longline fishery in statistical division 58.5.2. During the 1-15 ... night. No seabirds were caught. Any fishing that occurs in the 1-14 November 2014 post-season extension ... period, and the planned in the April 2015 extension will be reported to WG-FSA in 2015.   Author(s):  T ...

   Meeting Document : WG-FSA-14/40 : Auteur(s): T. Lamb (Australia)

10. Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2015-2018

    fishing seasons 2015-2018. The present program aims to recapture tagged fishes released during the ... implementation of the previous research program took place in 2010-2012 fishing seasons and investigate resource ... potential and life cycle of Dissostichus species within the eastern part of the Ross Sea over shelf and ... continental slope within the Subarea 88.2 A. Author(s):  Delegation of the Russian Federation Title:  Research ...

    Meeting Document : WG-SAM-15/21 : Auteur(s): Delegation of the Russian Federation

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