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1. 2013 Report on bottom fisheries and vulnerable marine ecosystems

   for reviewing status of Risk Areas ........................................... 4  Current status of Risk Areas ... this report the CCAMLR fishing season is represented by the year in which that season ended, e.g. 2012 ... represents the 2011/12 CCAMLR fishing season (from 1 December 2011 to 30 November 2012). 2013 ... -05). In that same year, the United Nations General Assembly (UNGA) agreed the Sustainable Fisheries ...

   Document : Site Section: Publications

2. Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990

   . These data included station lists and positions, catch and sample data. No age data were available because ... sampled to provide the length, age, weight and maturity stage composition for each species. References ... B 53.68 37.58 B 53.70 37.08 * B 53.65 37.23 ** C 53.89 37.27 53 30 36 0 B 53.90 36.20 B 53.90 36.27 ... (30) 0 0 D. eleginoides 335 (39) 3020* (33) 9631 (55) 1693 (21) P.b. guntheri 0 0 13 608 (90) 1918 ... these large hauls were considered in the analysis. No ideal method was found for incorporating the large ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Author(s): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)

3. Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys

   the South Orkney Islands (Subarea 48.2) suffered substantial declines from split-year 1977/78 to 1989/90 ... declines from split-year 1977/78 to 1989/90. The biomass of several species of finfish has been monitored ... (Subarea 48.2) suffered substantial declines from split-year 1977/78 to 1989/90. The biomass of several ... . The target time for a haul was 30 minutes, with any haul less than 20 minutes considered invalid ... abundance of a species is always increasing when one or two strong year classes are passing through ... ;;; 6 4 2 0 10 20 30 40 50 60 10 20 30 40 50 60 70 Length (cm) Length (cm) Figure 6: Length-frequency ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 53–74 : Author(s): Jones, C.D., K.-H. Kock and E. Balguerías

4. The BROKE-West acoustic krill biomass survey of CCAMLR Division 58.4.2

   transects between 30° and 80°E. The survey design was presented to WG-EMM for their comment in 1995 ... transects between 30° and 80°E. The survey design was presented to WG-EMM for their comment in 1995 ...

   Meeting Document : WG-EMM-05/11 : Author(s): S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia)

5. Results of phase I of the Russian research program for toothfish fishery in Subarea 88.3 during the 2010/11 season

   of fish of catches. Material sampled included 240 otoliths for age determination, 53 samples for genetic ... of fish of catches. Material sampled included 240 otoliths for age determination, 53 samples for genetic ... onboard longliner Sparta (company “Morskoi Voron”). In total, 20 trotline sets at different depths have ... toothfish catches and by-catch were subjected to biological analysis. 30 toothfish individuals of different ...

   Meeting Document : WG-FSA-11/36 : Author(s): Delegation of Russia

6. Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution

   of the age-structured model in predicting class/bin by year frequencies is used to obtain a single, across ... Paper Title:  Estimation of effective sample size for catch-at-age and catch-at-length data using ... the distribution of catch-at-age or catch-at-length frequencies using a multinomial likelihood when there is extra ... , with marginal class probabilities generated using a simple age-structured model incorporating fishing ... from simu- lated sampling of the population age structure. For each of the 20 years in a replicate ... , the lack of fit of the age- structured model in predicting class/bin by year frequencies is used to obtain ... vessel and year. Further, CASAL requires the catch-at-age or catch-at-length data to be input ... the number of fish sampled from age class a for year y, aggre- gated across all hauls (j = 1,…,hy) in year ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Author(s): Candy, S.G

7. Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric characteristic?

   of birds with greater than 80% success, the difference between the true and apparent mean is likely ... a discriminant function with greater than 80% success may be used to derive statistically robust estimates ... Type I and Type II errors. Lack of knowledge about the sex ratio between years makes combining the data ... are able to correctly determine the sex of birds with greater than 80% success, the difference between ... 1.31 3.91 359 1.21 35 0.63 11 1.04 85.00 1.04 1.44 4.07 388 1.30 41 0.68 13 1.28 90.00 1.28 1.63 4.30 ... discriminant functions are able to correctly determine the sex of birds with greater than 80% success ... are sampled. Therefore, under most normal sampling regimes a discriminant function with greater than 80 ... of knowledge about the sex ratio between years makes combining the data a very doubtful procedure and use ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Author(s): Agnew, D.J.

8. Do Adélie penguin fledgling weights provide an index of prey availability?

   Abstract:  We examine fledgling weights measured over 11 years at Béchervaise Island in relation ... trips during the guard period and relatively short trips during the crèche period. The concerns raised ... We examine fledgling weights measured over 11 years at Béchervaise Island in relation to two ... trips during the guard period and relatively short trips during the crèche period. The concerns raised ...

   Meeting Document : WG-EMM-05/21 : Author(s): L. Emmerson, C. Southwell and J. Clarke (Australia)

9. Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density

   ) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ... all three years, was detected. Krill densities in winter were predominantly low (mean = 18.7 ... g m –2, SD = 24.3), but had risen substantially by summer in each year (mean = 89.5 g m –2, SD = 64.2 ... to explore whether high-frequency temporal variation (i.e. within-year) could have led to the perceived ... -year variation, and examines previ- ously published interannual estimates of krill den- sity (arising ... , CCAMLR Saunders et al. 30 summer) in the light of repeated observations of within-year changes ... 30 0 19 6 30 –1 82 × 13 00 20 3 20 –1 89 × 2 19 / 02 –2 8/ 04 / 03 30 0 19 8 32 –1 84 ... 7 21 –2 13 × 5 14 / 01 –2 4/ 03 / 04 30 0 19 8 32 –1 84 × 13 00 22 6 20 –2 12 × 6 26 ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Author(s): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone

10. e-sc-xi-a8.pdf

    ... for adults); (ii) age-at-first breeding; (iii) categorisation of years with observations across ... , and that the model must be age-structured. Integration over prior distributions for parameters whose values ... of the predator population (which must also be age- structured) can be considered as survival rates. The relation ... -CEMP on matters of common concern. INFORMATION REVIEW AND EVALUATION Krill Requirement ... in recruitment from year to year lead in turn to fluctuations in biomass and hence account for the ... ) potential impacts of fishing on predators; (iv) potential control/experimental sites for an experimental ... biology and the fishery. The meeting also provided an opportunity for modellers to be included in such ... component, and that the model must be age-structured. Integration over prior distributions for parameters application/pdf attached to:WG-KRILL/CEMP-92

    Meeting Report : WG-KRILL/CEMP-92

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