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1. Selectivity of commercial and research trawls in relation to krill

   RT 72/308 and an Isaacs-Kidd midwater research trawl (IKMT). The commercial trawl catches contained ... more large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in ... better at retaining small krill, while the opposite is true for the commercial trawl. Consequently ... CCAMLR's Working Group on Krill (WG-Krill) (35-58 mm) than the IKMT trawl (30-54 mm) (see for an operating ... ~rika), and an RT 72/308 commercial trawl (RV Augus). Trawling duration was 30 minutes and trawhg ... trawl will affect the accuracy of biomass estimates for specific age groups of krill because the ... expressed towards Yu. V. Kadilnikov for his assistance in preparing this article. REFERENCES Greene ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Autor(es): Kasatkina, S.M

2. e-sc-xxxvi-a04.pdf

   ... of work was to establish an automated method for processing acoustic data collected by commercial ... seabed integration for echosounder calibration had been addressed previously in SG-ASAM as an ... density’ produces an output of density (g m–2) at 250 m depth × 1 n mile interval. The default value for ... a proposal for a dedicated krill survey in Division 58.4.1 in 2018/19. The plan proposed to repeat application/pdf attached to:SG-ASAM-17

   Meeting Report : SG-ASAM-17

3. Analysis of haul data from the South Georgia krill fishery

   establish the time required for each phase of the fishing operation. The times associated with shooting and ... hauls were generally small, suggesting that little effort was spent searching for fishable swarms beyond ... existed between years, with 1995 being a better season than either 1994 or 1996. Aspects of mesoscale ... Georgia suggests that fisheries-based indices may be of value for management purposes, consequently ... operating in different years. Most vessels from Poland and Ukraine operated for just a single year, while ... analysis was only carried out for those years that are complete and for which the full season's data have ... recorded data from individual hauls. For ease of reference, each vessel was assigned an individual ... fishing season, an analysis of variance was used. For 1994 the analysis indicated that the distance ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Autor(es): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes

4. Uncertainty in green weight estimates from Norwegian krill fishing vessels

   an issue raised repeatedly within CCAMLR for a number of years, resulting in a modification to the C1 ... krill fishery for Euphausia superba in the Antarctic. These vessels have in recent years contributed to ... form implemented for the fleet in 2012. There are at present three Norwegian vessels operating in the ... therefore be important contributions to an estimate of total uncertainty in catch weight. Here, we present ...

   Meeting Document : WG-EMM-13/41 : Autor(es): G. Skaret and T. Knutsen (Norway)

5. e-cc-i.pdf

   ... with the organisations mentioned in Article XXIII and prepare a report for the Commission. Other ... Powell, an Australian Government official who was responsible for organising the meeting, was elected as ... were referred for consideration to an informal working party on administration and finance. Election ... Executive Secretary shall be for four years and that he shall be eligible for reappointment; (f) that the application/pdf attached to:CCAMLR-I

   Meeting Report : CCAMLR-I

6. e-cc-xxiii-a5.pdf

   ... Chair to serve for two years from the end of this meeting to the end of the meeting in 2007. 1.2 Ms ... to the end of the 2003/04 fishing season, i.e. to 30 November 2004. 2.2 For the 2003/04 fishing ... not be able to participate in fishing activities for the next five years. The Committee agreed that ... noted that the catches reported constituted approximately 20% of the total krill harvest for the 2004 application/pdf attached to:SCIC-04

   Meeting Report : SCIC-04

7. A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship in Subarea 48.3

   , 396 animals were included, with an overall survivorship of 90%. Smaller animals and animals in better ... -tagging survivorship of 95% or more. An assumption of 90% post-tagging survivorship is a conservative ... . Toothfish were kept in tanks with seawater replacement for at least 12 hours after tagging. On one vessel ... an overall survivorship of 90%. Smaller animals and animals in better initial condition had a higher ... more. An assumption of 90% post-tagging survivorship is a conservative value which might be ... mark–recapture studies have been under way for several years around Heard Island, South Georgia, and ... The 396 fish on eight vessels used in the experi- ment exhibited an overall survivorship of 90 ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 279–289 : Autor(es): Agnew, D.J., J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones, G. Breedt, S. Du Plessis, J. Van Heerdon and G. Moreno

8. Fishery Report 2014: Champsocephalus gunnari Heard Island (Division 58.5.2)

   maximum length of around 45 cm and a maximum age of 6 years. Size at first maturity for females is 26.5 ... Division 58.5.2 for 2014. Parameter Value Size range included 80–450 mm Bounds Age 0+: 70–90mm Age ... simulation 1 Individual trial Years to remove initial age structure 12 Specifications Year prior to ... fishery 1. An Australian licensed trawl fishery in Division 58.5.2 for mackerel icefish ...

   Document : Site Section: Publications

9. CCAMLR-XIX

   Resources CCAMLR-XIX/10 Notification of an exploratory fishery for Dissostichus spp. on Elan and BANZARE ... -XIX/14 Notification of an exploratory pot fishery for crabs in Subarea 48.3 Delegation of Uruguay ... Delegation of Uruguay CCAMLR-XIX/16 Notification of an exploratory pot fishery for Dissostichus eleginoides ... continue an exploratory fishery for Dissostichus spp. in CCAMLR Subarea 88.1 Delegation of New Zealand ...

   Meeting

10. NEW REGIONAL-SCALE SURVEYS OF THE ADÉLIE PENGUIN BREEDING POPULATION IN PRYDZ BAY: A STEP TOWARDS IMPROVED ESTIMATION OF KRILL CONSUMPTION IN EAST ANTARCTICA

    conducted 30 years ago. To understand current levels of prey consumption in east Antarctica it is therefore ... Abstract:  Understanding circumpolar penguin abundance is critical for developing realistic ... . A review of historical Adélie penguin survey data in east Antarctica revealed Prydz Bay as a ... priority region for new survey work to improve population estimates. Prydz Bay is considered to have the ...

    Meeting Document : WG-EMM-11/32 : Autor(es): C. Southwell, J. McKinlay, K. Newbery, L. Emmerson and J. Lieser (Australia)

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