Résultats de la recherche

1. Analysis of catch and effort data in SSRUs 882A–B North from the 2015 fishing season including comparisons with data from exploratory fisheries and closed areas

   Abstract:  At the 2015 meetings of WG-FSA and the Scientific Committee, the UK, New Zealand and ... Norway noted that they would perform an analysis of CPUE variability, haul duration and haul speed from ... the 2015 survey of the northern region of SSRUs 88.2A–B, including a comparison with all exploratory ... within the range of that observed in other exploratory fisheries and similar to those typically observed ...

   Meeting Document : WG-SAM-16/16 Rev. 1 : Auteur(s): K. Large, A. Dunn, S.J. Parker, T. Earl, C. Darby, M. Söffker and O.R. Godø

2. Proposed continuation of a multi-Member longline survey on Antarctic toothfish (Dissostichus mawsoni) in Statistical Subarea 48.6 in 2018/19 by Japan, South Africa and Spain

   integrated assessments of the D.mawsoni stock in this subarea. The Working Group recommended that Spain ... should coordinate its research efforts with Japan and South Africa and encouraged the submission of a ... for 2018/19 season is presented to ensure continuity of previous research activities. Data and ... investigations about the population structure and various demographic parameters of Antarctic toothfish ...

   Meeting Document : WG-FSA-18/34 : Auteur(s): Delegations of Japan, South Africa and Spain

3. Scientific requirements for an orderly development of the krill fishery

   Abstract:  At CCAMLR XXV Australia presented the results of the BROKE-West acoustic krill biomass ... precautionary catch limit for krill in Statistical Division 58.4.2 of 1.49 million tonnes (up from 450 000 ... of other elements in the conservation measure to facilitate the orderly and precautionary development ... of the fishery. The aim of this paper, which Australia committed to present to this year’s WG-EMM, is ...

   Meeting Document : WG-EMM-07/23 : Auteur(s): A. Constable, G. Slocum and S. Nicol (Australia)

4. Towards a validation of ageing in mackerel icefish (Champsocephalus gunnari) – can we estimate age more accurately?

   Abstract:  Age estimates of mackerel icefish from different laboratories obtained during a CCAMLR ... older than 3 or 4 years were aged. These differences could not be reconciled at the end of the exchange ... . A second age determination workshop on mackerel icefish to improve the accuracy of age determination ... was agreed upon at the last meeting of the ‘Working Group on Fish Stock Assessment’. Our report ...

   Meeting Document : WG-FSA-05/23 : Auteur(s): K.-H. Kock (Germany) and Zh.A. Frolkina (Russia)

5. Experimental acoustic survey of icefish resources in Subarea 48.3, 2005

   Abstract:  This report describes the activities and preliminary results of the research carried ... behalf of UK authorities. Survey Objectives The primary objectives of the proposed survey were to ... distribution of icefish. • Assess precision of AUDOS estimates of crab density. Secondary survey objectives ... were to: • ‘Ground-truth ‘ AUDOS estimates of crab density using comparisons with bottom trawls ...

   Meeting Document : WG-FSA-05/79 : Auteur(s): M. Belchier, M. Collins (United Kingdom), R. O’Driscoll (New Zealand), S. Clarke and W. Reid (United Kingdom)

6. Standardised CPUE analysis of the Antarctic toothfish fishery in CCAMLR Subarea 88.1 from 1988/89 to 2003/04

   to 2004, in Subareas 88.1 and 88.2. A preliminary standardised analysis of toothfish CPUE (catch (kg ... addition of data from the 2004 season using data sets based on all vessels and the two main New Zealand ... using mixed-effect models following Candy (2003). The variables entering each of the three models were ... similar and all explained a reasonable amount (35-46%) of the variation. The variables included in the ...

   Meeting Document : WG-FSA-04/25 : Auteur(s): N.L. Phillips, R.G. Blackwell and S.M. Hanchet (New Zealand)

7. RESULTS OF INVESTIGATIONS ON ANTARCTIC TOOTHFISH D. MAWSONI NORMAN, 1937 (PERCIFORMES,NOTOTHENIIDAE) FEEDING IN SUBAREA 48.6 SSRU E DURING THE 2008/09 SEASON

   Abstract:  For the first time, the investigations on feeding of Antarctic toothfish (Dissostichus ... mawsoni) from the bottom longline catches in the Lazarev Sea were carried out. The analysis of food ... of both sexes include icefish (Chionobathyscus dewitti), Antarctic squid (Mesonychoteuthis hamiltoni ... ), 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)

8. DIRECT EFFECTS OF CLIMATE CHANGE ON THE ANTARCTIC KRILL FISHERY

   thought of as being indirect, for example through distributional changes of fish populations, changes in ... evidence of direct effects of the changing physical environment – the duration of sea ice cover- on the ... seasonal behaviour of the region’s largest fishery, that for Antarctic krill. Declining sea ice cover in ... the main krill fishing grounds has resulted in greater accessibility of krill stocks to the fishing ...

   Meeting Document : WG-EMM-09/P06 : Auteur(s): S. Kawaguchi, S. Nicol and A.J. Press

9. Improving the process for the establishment of marine protected areas by CCAMLR and Antarctic Treaty Parties

   Abstract:  This paper examines the obligations upon the Commission for the Conservation of ... Antarctic Marine Living Resources (CCAMLR) and Antarctic Treaty Consultative Parties (ATCPs) in respect of ... -operate in the establishment and implementation of MPAs in the Southern Ocean. It also examines the ... current process for declaring MPAs in the areas of application of the Antarctic Treaty and the Convention ...

   Meeting Document : WS-MPA-05/09 : Auteur(s): Delegation of Australia

10. Circumpolar connections between Antarctic krill (Euphausia superba Dana) populations: Investigating the roles of ocean and sea ice transport

    critical food source and shelter, particularly in the early life stages. Advective modelling of transport ... pathways of krill have until now been on regional scales and have not taken explicit account of sea ice ... potential roles of the ocean and sea ice in maintaining the observed circumpolar krill distribution. We show ... dispersal depending upon location. Within the major krill region of the Scotia Sea, the effect of temporal ...

    Meeting Document : WG-EMM-07/P10 : Auteur(s): S.E. Thorpe, E.J. Murphy and J.L. Watkins (United Kingdom)

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