Résultats de la recherche

1. Geographic aspects of Euphausia superba resources exploitation

   Abstract:  Data on distribution and biomass of E.superba aggregations at Atlantic sector and near ... E.superba show increased spatial irregularity. Development of fisheries activity in these new for catching ...

   Meeting Document : WG-KRILL-93/04 : Auteur(s): R.R. Makarov (Russia)

2. A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3

   -documented fisheries protection vessel (FPV) cruise data. The method takes explicit account of both ‘seen ... , unregulated and unreported (IUU) catches of fish and by-catch of birds. It utilises high quality, well ... , and confidence intervals for, fish and bird catches by IUU vessels. In order to estimate an IUU catch ... 48.3 was divided into six areas for the purposes of the estimation of fish and bird catch associated ... ) cruise data. The method takes explicit account of both ‘seen’ and ‘unseen’ IUU fi shing by using a ... data. The catch rate of birds was estimated separately for summer and winter by bootstrapping ... previously published CCAMLR observer data weighted by the number of hooks observed. These data were obtained ... catches for the years 2001/02, 2002/03 and 2003/04. Résumé Ce document décrit une nouvelle méthode ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Auteur(s): Agnew, D.J. and G.P. Kirkwood

3. From the Editor

   for the total biomass of krill, esti- mated using data collected during the CCAMLR- 2000 Survey ... approaches to estimating krill bio- mass. However, recognising that an approach has merit and agreeing to ... and analysis, CCAMLR has agreed to use an approach that uses a modified form of the krill target ... science considered by CCAMLR in pro- gressing its ecosystem-based approach to fisheries management. It is ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 199

4. Progress report on the research for Dissostichus spp. in Subarea 48.2 by the Ukraine in 2015-2018 and notification of research in 2019

   of the Scientific Committee and Commission. Obtained data will be used for the future biomass ... -49r1 tr-ch.docx Approval:  Approved Secretariat Workflow Status:  Content Approved Document Release ...

   Meeting Document : WG-FSA-18/49 Rev. 1 : Auteur(s): Delegation of Ukraine

5. Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 – Based on the 2019 Groundfish Survey

   Abstract:  A stratified bootstrap of icefish catch density based on the UK 2019 demersal fish ... survey catch rate data indicated a biomass of 53,124 tonnes (lower one sided 5th percentile: 32,399 ... :  Approved Secretariat Workflow Status:  Content Approved Document Release Consent:  No Delegation ...

   Meeting Document : WG-FSA-2019/30 : Auteur(s): T. Earl

6. Report on the research for Dissostichus spp. in Subarea 48.2 by the Ukraine in 2015–2019

   of the Scientific Committee and Commission. Data on the distribution of Antarctic toothfish and by ... -catch fish, biological characteristics of Antarctic and Patagonian toothfish are presented. Biomass of ... 2015–2019 Approval:  Approved Secretariat Workflow Status:  Content Approved Document Release Consent ...

   Meeting Document : WG-FSA-2019/51 : Auteur(s): Delegation of Ukraine

7. Results of the groundfish survey carried out in CCAMLR Subarea 48.3 in January 2010

   vessel. Catch-weighted length frequencies of mackerel icefish indicated that although 3+ sized fish ... dominated the population, 2+ and 1+ sized fish were also present, and in larger proportions than in 2009. A ... greater in 2010 than in 2009 but still remained low compared to historical data, and Themisto gaudichaudii ... 2003/04 of a recent recruitment of evident at Shag Rocks, with presence of putative age 2+ fish (29 ...

   Meeting Document : WG-FSA-10/38 : Auteur(s): R.E. Mitchell, M. Belchier, S. Gregory, L. Kenny, J. Nelson, J. Brown and L. Feathersone (UK)

8. How much do icefish (Notothenioidei, Channichthyidae) eat in the southern Scotia Arc and the Antarctic Peninsula region?

   about 48 hours while the digestion of fish prey takes likely in excess of 96 hours, our data are well in ... , Cryodraco antarcticus, and Chaenodraco wilsoni) ice fish species were estimated around islands of the ... more variable in C. aceratus and C. antarcticus which, as larger fish, rely heavily on fish as their ... daily food intake of demersal Antarctic fish both available in the scientific literature and from our ...

   Meeting Document : WG-FSA-10/18 : Auteur(s): K.-H. Kock (Germany), C.D. Jones (USA), J. Gröger and S. Schöling (Germany)

9. Spatial aggregation of harvesting in Subarea 48.1, in particular during the summer and close to the coast

   Abstract:  We explore CCAMLR Catch and Effort data from the fishery for Antarctic krill for the ... operated, collectively taking over 42,000 tonnes of krill from an area less than 30 km in diameter. The ... impacts upon krill eating predators. Author(s):  P. Trathan and S. Hill Title:  Spatial aggregation of ...

   Meeting Document : WG-EMM-16/17 : Auteur(s): P. Trathan and S. Hill

10. Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)

    translucent zone is formed annually in otoliths of juvenile D. mawsoni. Mean fish lengths at ages 0.5, 1.5 ... estimates agree with growth curves calculated previously from a sample of data that was large but lacked any ... fish younger than 3.5 years. Counting translucent zones in the otoliths of D. mawsoni appears to be a ... recaptured fish were all large (129–145 cm TL at tagging) and had been at liberty from 1 to 7 years. The ... tagged and recaptured fish used in this analysis. ‘–’ denotes unavailable data. Date of Time at ... Fisheries Service) for the provision of otoliths and data from the 2001 South Shetland Islands trawl ... of data that was large but lacked any fi sh younger than 3.5 years. Counting translucent zones in ... methodology is crucial. Since Horn’s (2002) study, two sources of data with potential to validate the ...

    Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Auteur(s): Horn, P.L., C.P. Sutton and A.L. DeVries

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