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1. Report on bottom fisheries and vulnerable marine ecosystems

   densities on the x-axis by an appropriate impact index (SC-CAMLR-XXIX, Annex 4, paragraph 4.19) for trawls ... the 2011/12 CCAMLR fishing season (from 1 December 2011 to 30 November 2012). REPORT ON ... (www.ccamlr.org/node/74323). Rationale for the report 5. The report summarises the status of knowledge on ... ) – Bottom fishing in the Convention Area, including two annexes CM 22-07 (2009) – Interim measure for ...

   Document : Site Section: Publications

2. The effects of monitoring procedures on Adélie penguins

   Paper Title:  The effects of monitoring procedures on Adélie penguins Abstract / Description:  The ... effects of flipper bands, implanted tags, gastric lavage and external instrument attachment on the ... loss. There was a slight reduction in return rates of birds banded for more than one season, but no ... incubation period resulted in increased foraging trip durations and reduced breeding success. Attachment for ... slightly lower return rate (64%) for non-recaptured birds banded for two years compared with the range of ... carrying a band for one or more years, and on one occasion recaptured a bird with a wide open band, the ... for two to three years. Although our use of stainless steel bands as compared to the aluminium bands ... returned to the colony as two-year-olds (1993/94 summer). Ainley et al. (1983) reported that 30% of all ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 155–164 : Автор(ы): Clarke, J. and K. Kerry

3. Population of macaroni penguins Eudyptes chrysolophus at Marion Island, 1994/95 to 2002/03, with information on breeding and diet

   fledged on average 0.46 chicks per year, an amount thought insufficient to maintain the population ... , macaroni penguins usually breed for the first time when aged about three years. From 1994/95–2002/03, pairs ... from about 405 000 pairs in 1983/84 and 434 000 pairs in 1994/95 to about 356 000 pairs in 2002/03. Two ... large colonies, at Bullard Beach and Kildalkey Bay, account for about 85% of the overall population. At ...

   Meeting Document : WG-EMM-03/15 : Автор(ы): R.J.M. Crawford, J. Cooper and B.M. Dyer (South Africa)

4. Отчет о промысле в 2015 г.: Поисковый промысел видов Dissostichus в Подрайоне 88.1

   г. (с 1 декабря 2014 г. по 30 ноября 2015 г.). Отчет о промысле в 2015 г.: Поисковый промысел ... в общей сложности 20 судами, сообщили о своем намерении участвовать в поисковом промысле видов ... снастях, количестве судов, ведущих промысел, и пространственном и временном распределении промысла. 20 ... -SAM-14/30). Полученные таким образом индексы использовались для определения фактических случаев ... Description / Abstract:  Fishery Report 2015: Exploratory fishery for Dissostichus spp. in Subarea ...

   Document : Site Section: Publications

5. Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf

   , with some evidence for an ontogenetic migration from east to west as they grow. From the fisheries data ... Paper Title:  Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on ... relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf (defined here as the ... continental shelf out to the edge of the shelf break at about 600–800 m depth). The focus is on D. mawsoni ... for all years up to, and includ- ing, the 2007/08 fishing year. The observer data used in this report ... 88.2 for all years up to, and including, the 2007/08 fishing year. Data error checking and grooming ... caught in each of the three grounds, for years where more than 10 sets were completed, is shown by year ... between years on catch per 24-hour set, so the use of a single year to illustrate trends is of limited ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Автор(ы): Hanchet, S.M., S. Mormede and A. Dunn

6. Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data

   Bayesian model. For both krill length and by-catch fish number, vessel sample size shows marked effects on ... fishery based on scientific observer data Abstract / Description:  To estimate the optimal relative sample ... size of scientific observer data collected on Antarctic krill commercial fishing vessels, the ... and haul) based on a state–space model, separating biological process error in the population dynamics ... . However, extending the time on board leads to an increased financial cost for sci- entific observer ... ) have an on-board scientific observer on all vessels on at least one cruise each year, and (iii ... th (m m ) 60 50 40 30 20 (a) Adult size in Subarea 48.1 Overall trend Year E st im at ... Year E st im at ed m ea n le ng th (m m ) 60 50 40 30 20 (c) Adult size in Subarea ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Автор(ы): Okuda, T. and M. Kiyota

7. Informing the Working Group on Fish Stock Assessment about the revisions of the WSMPA proposal

   and the EU has submitted a revised CM proposal to CCAMLR 2018. This document is based on similar ... documents submitted to WG SAM 2018 and the CCAMLR Workshop on Spatial Management (WS-SM-18). It intends to ... : Unifying the previously two separate WSMPA parts into one coherent WSMPA by closing the gap on the eastern ... effects of harvesting on Antarctic marine living resources and for achieving the WSMPA specific objectives ...

   Meeting Document : WG-FSA-18/08 Rev. 1 : Автор(ы): S. Hain, K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA project team

8. On the intensity of sampling krill trawl catches

   Paper Title:  On the intensity of sampling krill trawl catches Abstract / Description:  This paper ... uses actual krill length-frequency data in an attempt to address the problem of the determination of ... . The possible effect of two other factors (within-trawl variability and sample decomposition) which may ... efficiency of measurement, it is proposed that length measurements made on commercial krill catches should be ... conjunction with the need to collect information on maturity stages; • for most purposes a minimum sample ... variance was calculated from the combined error mean squares for length at the two islands derived by the ... most suited for the detection of a 2 mm difference in mean length between the two areas. A similar ... length are analyzed (see Appendix 1 (B) for details of analytical procedures) for the two areas ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Автор(ы): Miller, D.G.M.

9. Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz

   collected per animal. Orientation data were recorded on video. The acoustic data were analyzed and target ... strengths determined from each echo. A method was developed for estimating the three-dimensional orientation ... of the krill based on the video images and was applied to five of them, giving their target strengths ... as functions of orientation. Scattering models based on a simplified distorted-wave Born ...

   Meeting Document : WG-EMM-99/42 : Автор(ы): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)

10. A perspective on steepness, reference points, and stock assessment

    Abstract:  We provide a perspective on steepness, reference points for fishery management, and ... construct a prior for steepness. Ways out of the difficult situation raised by fixing steepness and life ... these patterns. For the production model, we derive explicit relationships for steepness and life ... history parameters and then for steepness and major reference points. For the age-structured model, we are ...

    Meeting Document : WG-FSA-14/P05 : Автор(ы): M. Mangel, A.D. MacCall, J. Brodziak, E.J. Dick, R.E. Forrest, R. Pourzand and S. Ralston

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