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1. Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)

   Paper Title:  Geographical differences in the condition, reproductive development, sex ratio and ... study indicate measurable differences in a number of indices from toothfish found on the Ross shelf ... population had a unimodallength distribution at a consistent peak over all sampling seasons in comparison ... with the southern group (in which the distribution was multimodal), showed a consistent and ... two identifiable spawning fish, that spawning females have high GSI values (in the range of 20 and ... observers who assisted in the data collection. The author is deeply indebted to Dick Williams for his time ... South shelf North South break South shelf 100 90 80 70 60 50 40 30 20 10 0 North South break ... GEOGRAPHICAL DIFFERENCES IN THE CONDITION, REPRODUCTIVE DEVELOPMENT, SEX RATIO AND LENGTH DISTRIBUTION OF ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Автор(ы): Fenaughty, J.M

2. Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).

   Paper Title:  Distribution and size–age composition of Antarctic krill (Euphausia superba) in the ... trawler FV Maxim Starostin in Subarea 48.2 between January and March in 2009 and 2010 are described. The ... distribution of size–age groups in association with particular water masses indicated that age 2+ krill ... dominated in cold Weddell Sea waters in the southern parts of the fishing area, while older age classes (3 ... , CCAMLR mailto:sologub@vniro.ru Sologub and Remeslo 124 in 2009 and 2010. In both years, fishing ... the differences between years in abso- lute values, in both years the warmer waters of the Antarctic ... years. Specific composition of krill (Euphausiidae) Euphausia superba was the dominant species in the ... catches in both years. However, in 2009, about 500 Pygmy krill (E. frigida) were collected from 5 600 kg ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Автор(ы): Sologub, D.O. and A.V. Remeslo

3. Competition-mediated prey availability drives Adélie penguin (Pygocelis adeliae) chick size, mass and condition at colonies of differing size in the southern Ross Sea

   interactions between them, is a key component in understanding the factors driving changes in animal ... foraging.  In addition, we show that in some cases, increased intraspecific competition may be a more ... food webs may affect changes in Adélie penguin populations in the Ross Sea and elsewhere.   Author(s ... , mass and condition at colonies of differing size in the southern Ross Sea Approval:  Approved ...

   Meeting Document : WG-EMM-13/31 : Автор(ы): A.L. Whitehead (Australia), P. O’B. Lyver (New Zealand), G. Ballard (USA), K. Barton, B.J. Karl (New Zealand), D.G. Ainley, K. Dugger, S. Jennings (USA), A. Lescroël (France) and P.R. Wilson (New Zealand)

4. Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited

   appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited Abstract ... / Description:  Notothenia rossii was the fi rst target species in Southern Ocean fi sheries. The species was ... already heavily fished at the beginning of the 1970s. The closure of the fishery for this species in 1985 ... violated in the case of N. rossii, which is non-randomly distributed such that a large proportion of the ... trends in abundance. Despite the closure of the fi shery almost 20 years ago, none of these multi ... properly in the almost 20 years since the fi shery was closed. Two alternatives to the approach generally ... less than 20 min duration were disregarded. All survey data are held in the CCAMLR database. For ... bottom. All catches were scaled down to 30 min in order to make them directly comparable to the ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Автор(ы): Kock, K.-H., M. Belchier and C.D. Jones

5. Considerations for research plan design and implementation in data-poor fisheries

   of research plans in data poor fisheries submitted under CMs 21-02 and 24-01 in 2011 and in 2012. We ... implementation issues raised during research plan design and evaluations. Our aim is to streamline the review ... biological risks arising from uncertainty in the research implementation process. Author(s):  S.J. Parker, B ... implementation in data-poor fisheries Approval:  Approved ...

   Meeting Document : WG-SAM-13/37 : Автор(ы): S.J. Parker, B. Sharp, A. Dunn (New Zealand) and K. Taki (Japan)

6. Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass

   Paper Title:  Bias in the estimation of krill yield from using a deterministic formulation of the ... unexploited spawning biomass. These models are used in order to account for uncertainty in the biological ... model as a basis for setting catch limits in the krill fishery, while the GYM is used for assessing ... yield in other finfish fisheries but can also be used for krill. The decision rules relate to the ... spawning biomass after 20 and 30 years relative to median So in each run with no fishing was 1.099 and ... and for three levels of y - 0.15, 0.2 and 0.4. Projections for 20 years and 30 years were undertaken ... Butterworth et al. (1994). Values in parentheses are probabilities of depletion over a 30-year projection ... perio . Table 2: Escapement of spawning biomass at the end of 20 and 30-year projections for different ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Автор(ы): Constable, A.J. and W.K. de la Mare

7. Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997

   Paper Title:  Variations in condition indices of mackerel icefish at South Georgia from 1972 to ... responds rapidly to changes in krill density and therefore can provide indications of short-term variations ... in krill availability. Condition index provides a useful proxy for krill density and is likely to be ... of considerable value in interpreting the results from ecosystein assessments such as that in ... fishery of varying intensity, in peak years yielding a total catch of over 100 000 tonnes (Kock, 1992 ... consider only those fish greater than or equal in total length to 30 cm. This group is composed of ... been measured and which were 30 cm or greater in total length: males: total mass = 0.001322.L,"J5 ... percentage increases, in the case of female Antarctic fish, to over 20% in the months leading up to ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Автор(ы): Everson, I. and K.-H. Kock

8. Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index

   Paper Title:  Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a ... definitions of effort and catch-per-unit-effort (CPUE), variables were modelled using linear mixed models in ... . The results strongly suggest that the krill fishery in the South Georgia area is operating at a ... critical level of krill availability which is just enough to maintain the best factory performance. In this ... for those years during which the fi shery has operated. In the late 1980s, several attempts were ... . TTPD was very small (≈30 min) in the 1980/81 season, and showed a rapid increase until the 1985/86 ... to spend more time searching on their own behalf than in previous years. CPUE indices showed a ... where fl eets can maximise their production extends further offshore in years of high, compared to ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Автор(ы): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu

9. Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2012/13 Subarea 48.6 and Divisions 58.4.1, 58.4.2 and 58.4.3a (this is a revision of WG-SAM-12/09)

   of very small proportion of immature fish. Highest GSI for D. mawsoni in March over years was ... Abstract:  The research fishing proposal for Dissostichus spp. in Subarea 48.6 and Divisions ... 58.4.1, 58.4.2 and 58.4.3a is resubmitted following paragraph 3.24 of WG-SAM-12. In the present proposal ... data, and secondly showed the results of biological features with some discussion of life history in ...

   Meeting Document : WG-FSA-12/60 Rev. 1 : Автор(ы): Delegation of Japan

10. Fish stock assessment survey in Subarea 48.3

    Paper Title:  Fish stock assessment survey in Subarea 48.3 Abstract / Description:  A demersal ... fish survey in the vicinity of South Georgia, CCAMLR Subarea 48.3, is described. Details are given of ... important commercial species in the area, Champsocephalus gunnari, is shown to have undergone a major ... at 20 cm, which coincides with the trough in the length distribution. The length frequency ... , which have been a major component in the diet of C. gunnari in previous years, were rarely the dominant ... 1 22 1 6 13 53 19.80 42 44.30 463 27 2 22 1 10 10 53 28.40 42 18.20 232 30 3 22 1 14 20 53 26.00 ... 6.00 188 30 18 26 1 11 58 53 48.20 38 23.80 183 30 19 26 1 14 32 53 38.00 37 51.00 176 21 20 27 1 4 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Автор(ы): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski

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