Résultats de la recherche

1. Reproduction in Antarctic notothenioid fish - a review

   gunnari in the Atlantic Ocean sector do not spawn each year. Gonadosomatic index (GSI) of females is 15–40 ... –20% of that of females. Length at first spawning may be from 55% of Lmax onwards, but in many species ... it is not attained until 70–80% of the maximum length. The only exception is Champsocephalus gunnari ... 15–20 000 eggs. Ova diameter varies from 0.8 to 5.0 mm. Egg size distribution among fishes of the ...

   Meeting Document : SC-CAMLR-X/BG/12 : Auteur(s): Delegation of Germany

2. NET-BASED VERIFICATION OF ACOUSTIC TECHNIQUES USED TO IDENTIFY ANTARCTIC KRILL

   that were collected during two cruises to the South Georgia region in 1996. For each krill aggregation ... ’ algorithm attributed more than 90 % of the total backscatter to krill in all but 1 aggregation with the ‘2 ... freq model’ using a smaller window but still attributing more than 90 % of the total backscatter to ... krill in 12 out of the 16 nets. The ‘2 freq 2 – 12’ window only attributed more than 90 % of the total ...

   Meeting Document : WG-EMM-08/54 : Auteur(s): J. Watkins and S. Fielding (United Kingdom)

3. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

   concentrated away from tag concentrations, or overly concentrated in them, the Petersen estimator either over ... magnitude of the estimated bias to correct the tagging estimate made last year for 48.3, we do conclude that ... model incorporates the facility for releases by box over a number of years. The model performed as ... an under-estimate of the true population size rather than an over-estimate of it. Author(s):  D.J ...

   Meeting Document : WG-FSA-SAM-05/6 Rev. 1 : Auteur(s): D.J. Agnew, G.P. Kirkwood, J. Pearce and J. Clark (United Kingdom)

4. e-cc-xxi-a5-appIII.pdf

   ... functioning of the CDS. 3. The CDS Informal Group met in Hobart and was chaired by Mr E.S. Garrett (USA ... Dissostichus spp. for fresh, frozen, and two fillet products – in sections 0302 (fresh), 0303 (frozen), 0304 ... those used for the CCAMLR Convention Area. 20. The group also agreed that the use of independent ... year on the status of toothfish populations on the high seas. Several Members expected that the application/pdf attached to:CDS Informal Group

   Meeting Report : CDS Informal Group

5. WG-EMM-18

   (Punta Arenas, Chile, 30 April to 4 May 2018) WG-EMM-18/01 Rev. 1 Proposal for a New SCAR KRILL Action ... ):  Monday, 9 July 2018 to Friday, 13 July 2018 Chair / Convener:  Dr Mark Belchier (United Kingdom) Support ... :  Dr Keith Reid Submissions Due:  Monday, 25 June 2018 Please note that meeting-specific information is ... voyages to the Ross Sea region in 2018 and 2019 D. Bowden, R. O’Driscoll and M.H. Pinkerton WG-EMM-18/03 ...

   Meeting

6. Port State measures

   - Complete 4.2.2.2 CCAMLR should develop a more comprehensive approach to port inspections by defining &#039 ... ;fishing vessels' to include reefer and support vessels, and widening the obligation to inspect to any ... Responsible Fisheries Article 8.3 4.2.2 Extent to which these measures are effectively implemented ...

   Page : Site Section: The Organisation

7. Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 based on the 2017 groundfish survey

   2018/19. Author(s):  T. Earl Title:  Preliminary assessment of mackerel icefish Champsocephalus gunnari ... survey catch rate data indicated a biomass of 91 531 tonnes (lower one sided 5th percentile: 47 424 ... tonnes) within Statistical Subarea 48.3. Projections for the 2017/18 and 2018/19 seasons applying the ...

   Meeting Document : WG-FSA-17/47 : Auteur(s): T. Earl

8. Reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season

   longline vessel, Shinsei Maru No. 3, from March 30 to May 2, 2011. The survey was undertaken according to ... report described the results during the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch ... the CPUE in terms of number was same level between the years. This may be due to the catch of small ... between the fish released with tag and that of overall catch was considerably high (θ=95 %). Author(s ...

   Meeting Document : WG-SAM-11/06 : Auteur(s): K.Taki, T. Iwami and M. Kiyota (Japan)

9. Revised reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season

   longline vessel, Shinsei Maru No. 3, from March 30 to May 2, 2011. This report described the results during ... the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch (excluding fish released alive) of ... CPUE in terms of number was same level between the years.  This may be due to the catch of small fish ... SSRU B. Author(s):  K. Taki, T. Iwami and M. Kiyota (Japan) Title:  Revised reports on abundance and ...

   Meeting Document : WG-FSA-11/14 : Auteur(s): K. Taki, T. Iwami and M. Kiyota (Japan)

10. INTERACTIONS OF PATAGONIAN TOOTHFISH FISHERIES WITH KILLER AND SPERM WHALES IN CROZET EXCLUSIVE ECONOMIC ZONE: AN ASSESSMENT OF DEPREDATION LEVELS AND INSIGHTS ON POSSIBLE MITIGATION SOLUTIONS

    . From 2003 to 2008, sperm whales alone, killer whales alone, and the two species co-occurring were ... year period we estimated a total loss of 1200 tons of Patagonian toothfish due to depredation which ... the largest part of this loss (70%) while sperm whales had a lower impact (30%). Photo-identification ... study (i) provides estimations of annual depredation levels on a 5-years period (2003-2008), (ii ...

    Meeting Document : WG-IMAF-09/12 : Auteur(s): P. Tixier, N. Gasco, G. Duhamel and C. Guinet (France)

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