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1. Conflict or co-existence? Foraging distribution and competition for prey between Adélie and chinstrap penguins

   between the two species, however, in a year of normal resource availability (2001) there was no such ... the South Sandwich Islands to the Antarctic Peninsula. To investigate how these two species co-exist ... penguins and 24 chinstrap penguins were used to compare foraging distributions. In both years the diet of ... segregation. There was a significant difference in the foraging areas used by Adélie penguins between years ...

   Meeting Document : WG-EMM-02/15 : Автор(ы): A.S. Lynnes, K. Reid, J.P. Croxall and P.N. Trathan (United Kingdom)

2. DEVELOPMENT OF RECOVERY PLANS FOR DEPLETED TOOTHFISH STOCKS IN THE INDIAN OCEAN SECTOR OF THE SOUTHERN OCEAN

   years and then two years later. The surveys should have only low catches in order to not impede recovery ... trajectories indicate it is likely that it will be at least 5 years before it is sufficiently low risk to ... variability. After the two surveys, data should be analysed to determine how fast the stock is recovering and ... recovery strategy for Patagonian toothfish on Ob and Lena Banks. Author(s):  D.C. Welsford, A.J. Constable ...

   Meeting Document : WG-FSA-09/44 : Автор(ы): D.C. Welsford, A.J. Constable and J.P. McKinlay (Australia)

3. Evaluation on the performance of echosounder on a fishing vessel using maximum seabed backscattering

   and 2018) collected at a relatively fixed location with bottom depth around 200 m were used to ... calibration. The largest inter-annual difference of the mean value of the maximum seabed backscattering (S v ... , respectively. However, ANOVA analysis indicated that there was no significant difference among years at both ... frequencies. Author(s):  X. Wang, X. Yu and X. Zhao Title:  Evaluation on the performance of echosounder on a ...

   Meeting Document : SG-ASAM-18/06 : Автор(ы): X. Wang, X. Yu and X. Zhao

4. Estimates of abundance of Dissostichus eleginoides and Champsocephalus gunnari from the random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 for 2019

   year. Catches of skates were similar to those of the last three years, which have been higher than ... average. Invertebrate catch (including jellyfish) in the 2019 survey was lower than that of 2018, with ... the past 10 years. Biomass estimates for the managed by-catch species C. rhinoceratus and Macrourus ... last 4 years. The 2019 biomass estimates for each of the three Bathyraja spp. (skates) were the highest ...

   Meeting Document : WG-FSA-2019/03 : Автор(ы): G.B. Nowara, T.D. Lamb and P. Ziegler

5. Natural fluctuations in the abundance of krill with due regard to global climate changes in the southern hemisphere: forecasting possibilities

   years of development of El Niño off South America (Jordan, 1991). These facts may lead one to assume ... the South Ocean in recent years made it possible for scientists to establish a rather clear ... generations of krill were formed during the years when the winter position of the ice edge was south of the ... summer during such years of moderate winter in higher surface temperature. Salp occurred in mass ...

   Meeting Document : WG-EMM-98/52 : Автор(ы): K. Shust (Russia)

6. Investigation of the sensitivity of the Ross Sea toothfish assessment to withholding subsets of the available data

   model outputs of withholding from a stock assessment between one and eight years of age frequency and/or ... time as more years’ data becomes available. The 2009 stock assessment of Antarctic toothfish in the ... estimated by the models arising from withholding data was found to be highest in the earlier years of stock ... years, the change in estimated biomass arising from withholding data was much smaller, with values ...

   Meeting Document : WG-SAM-11/17 : Автор(ы): S. Mormede (New Zealand)

7. Performance metrics to index the spatial coverage of mark-recapture data

   new biomass-weighted spatial overlap summary statistics for tagging data. The method calculates two ... was 70% (95% CIs 53–80%), and the median tag overlap bias was 88% (95% CIs 64–114%). In 2014 the ... fisheries, and a measure of the change in bias of mark-recapture estimates through time. Author(s):  C ... . Marsh, A. Dunn and S. Mormede Title:  Performance metrics to index the spatial coverage of mark ...

   Meeting Document : WG-SAM-16/13 : Автор(ы): C. Marsh, A. Dunn and S. Mormede

8. Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2012/13

   Abstract:  Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... as one of the most promising area for exploratory fishery of Dissostichus sp. However, fishery in ... with CCAMLR decision rules. The program contains several phases and prospected for 3-5 years. Detailed ... Committee and Commission consideration. Author(s):  A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia ...

   Meeting Document : WG-SAM-12/04 : Автор(ы): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia)

9. Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2012/13

   Abstract:  Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... as one of the most promising area for exploratory fishery of Dissostichus sp. However, fishery in ... with CCAMLR decision rules. The program contains several phases and prospected for 3-5 years. Detailed ... Committee and Commission consideration. Author(s):  A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia ...

   Meeting Document : WG-FSA-12/12 : Автор(ы): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia)

10. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season

    similar pattern to that of previous years. Preliminary models using tag-recapture data from all vessels ... abundance (B0) for the preferred model were 80 510 t (95% C.I.s 59 920–119 920 t), and current (B2006 ... 3046 t. Author(s):  A. Dunn and S.M Hanchet (New Zealand) Title:  Assessment models for Antarctic ... Abstract:  We provide an update of the Bayesian sex and age structured population stock assessment ...

    Meeting Document : WG-FSA-06/60 : Автор(ы): A. Dunn and S.M Hanchet (New Zealand)

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