Résultats de la recherche

1. Further investigations in the assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13

   investigated. We recommend the following: That the Amundsen Sea region be considered as a single stock, with ... region. That R3 be chosen as the base case model for providing management advice for the 2014/15 fishing ... year once it has been updated with the 2014 fishery data. That ways to obtain a better estimate of the ... released and subsequent fishing effort. That the recent high exploitation rates and localised depletion in ...

   Meeting Document : WG-SAM-14/29 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

2. An update of the ageing program for Patagonian toothfish (Dissostichus eleginoides) at the Australian Antarctic Division, including a summary of new data available for the Integrated Stock Assessment for the Heard Island and the McDonald Islands fishery (Division 58.5.2)

   laboratory, with otoliths now set in smaller resin blocks that take much less time to section, and in quality ... for identifying otoliths that may have been aged with good precision between the two readers, but may ... ) otoliths from the Heard Island and McDonald Islands fishery. With the reinitiation of this program a number ... age. These changes have contributed to increased efficiency within the program, with a greater ...

   Meeting Document : WG-FSA-14/45 : Auteur(s): B.M. Farmer, E.J. Woodcock and D.C. Welsford (Australia)

3. Stock assessment and proposed TAC for Antarctic toothfish (TOA) in the Subarea 88.2 H in the season 2014–2015

   is 20649 t with 95% confidence interval ranging from 12475t to 39901t. In 2014-2015 values of ... potential catch with incomplete taking of 3%, 5% and 10% were determined as 619t, 1032t and 2064 t ...

   Meeting Document : WG-FSA-14/14 Rev. 1 : Auteur(s): S.M. Goncharov and A.F. Petrov (Russia)

4. Demographic effects of extreme weather events: snow storms, breeding success, and population growth rate in a long-lived Antarctic seabird

   population growth rate. We used detailed data on daily individual nest survival in a year with frequent and ... colony level. Our results indicated that snow storms are an important determinant of nest survival and ... population responses to climate change.  Author(s):  S. Descamps, A. Tarroux, Ø. Varpe, N.G. Yoccoz, T ...

   Meeting Document : WG-EMM-16/P13 : Auteur(s): S. Descamps, A. Tarroux, Ø. Varpe, N.G. Yoccoz, T. Tveraa and S.-H. Lorentsen

5. Ross Sea Biodiversity, Part I: validation of the 2007 CCAMLR Bioregionalisation Workshop results towards including the Ross Sea in a representative network of marine protected areas in the Southern Ocean

   meeting of CCAMLR's Scientific Committee and the Environmental Protocol's Committee on ... information presented herein show that the Ross Sea: Author(s):  D.G. Ainley, G. Ballard and J. Weller (USA ...

   Meeting Document : WG-EMM-10/11 : Auteur(s): D.G. Ainley, G. Ballard and J. Weller (USA)

6. Foraging behaviour and reproductive success in chinstrap penguins: the effects of transmitter attachment

   revealed that nests with both members equipped with a transmitter fared worse than both the control group ... method with which to monitor foraging trip duration in penguins by the CCAMLR (Commission for the ... 10 nests were equipped with a radio transmitter, 120 nests were used as a control group. The results ... of this study demonstrate that, for the size of transmitter used (1.4 cm 2 front section area); there ... were measured, it was revealed that nests with both members equipped with a transmitter fared worse ... recorded as the first day that a nest was observed with no chicks. A failure date of 13 January 294 ... Figures 1 and 2 shows that foraging trips appear to be slightly longer and visit durations slightly ... experiment would be worthwhile repeating with larger sample sizes. 4.2 Reproductive Success Although no ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 291–303 : Auteur(s): Croll, D.A., J.L. Bengtson, P.L. Boveng, M.E. Goebel and J.K. Jansen

7. Fishery Report: Dissostichus eleginoides Crozet Island inside the French EEZ (Subarea 58.6)

   Mitigation measures 15. The Working Group recommended that areas with high by-catch rates should be ... meetings between TAAF and fishing masters of vessels with high by-catch (iv) data will continue to be ... . Fishing trials with trawlers have not been continued. In Subarea 58.6, the fishery has been conducted ... France in its EEZ extends from 1 September to 31 August of the following year, the season used in this ...

   Document : Site Section: Publications

8. COMPARISON OF THE PRECISION OF DIRECT VERSUS AGE LENGTH KEY METHODS OF ESTIMATING CATCH-AT-AGE PROPORTIONS

   employed, the ALK method can be used to obtain unbiased estimates from age-length samples that have been ... Abstract:  Catch-at-age proportions can be estimated directly using a simple random sample (SRS ... class. This “direct” method can be replaced by the age length key (ALK) method if there are in addition ... collected using unequal probability schemes with respect to length such as length bin random sampling (LBrs ...

   Meeting Document : WG-FSA-09/22 Rev. 1 : Auteur(s): S.G. Candy (Australia)

9. Seals: Trophic modelling of the Ross Sea

   predate on and/or compete with toothfish, it is possible that they will be affected significantly by the ... (Euphausia crystallorophias and E. superba) are likely to be consumed almost exclusively (>95%) with small ... with some E. crystallorophias. Stable isotope work in the Ross Sea (Zhao et al. 2004) suggests that ... seals in Ainley (1985) we estimate that about 85% of this number will be feeding inside the study area ...

   Document : Site Section: Publications

10. Key considerations for planning a large-scale krill survey

    , is now unlikely. However, future large-scale surveys may be possible with the engagement of the ... fishing industry. We recommend that any such large scale surveys should be coordinated through CCAMLR’s ... resource issues that must be addressed. We suggest that CCAMLR’s working groups should establish a process ... for addressing these issues if these groups consider that large-scale surveys are likely to be ...

    Meeting Document : WG-EMM-15/27 : Auteur(s): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)

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