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1. Abundance and trends in the breeding population of Adélie penguins (Pygoscelis adeliae) in the western Ross Sea

   -1.8% for the years, 1981-2000 followed by a positive per capita growth rate of 5.5% for the years ... Cape Royds for the years, 1981 to 2012.  Colony growth rates for the southern Ross Sea meta-population ... during their breeding since they did not ground for any period adjacent to those colonies suggesting an ... Abstract:  The Adélie penguin (Pygoscelis adeliae) is an indicator species used by the CCAMLR ...

   Meeting Document : WG-EMM-13/30 : Автор(ы): P. O’B. Lyver, M. Barron, K.J. Barton, S. Gordon (New Zealand), D. Ainley, A. Pollard (USA), P.R. Wilson and M.H. Pinkerton (New Zealand)

2. Krill catch distribution in relation to predator colonies, 1987-1991

   48.2 is shown. 74-90% of catches in Subarea 48.1 are taken within 100 km of predator colonies between ... period. The pattern of fishing is very consistent in all years 1988-1991 in Subarea 48.1, but is more ...

   Meeting Document : WG-KRILL-92/18 : Автор(ы): Secretariat

3. Integration of CPUE data into assessments using the Generalised Yield Model

   / Description:  For the last three years, CCAMLR's Working Group on Fish Stock Assessment (WG-FSA) has ... the use of importance sampling, for incorporating information on trends in standardised CPUEs into GYM ... assessments. The use of the method is illustrated using data for Patagonian toothfish (Dissostichus ... year Y is the latest year for which we have data from the fishery, and simulation years Y+l to Y+P ... Model, importance sampling, stock assessment, CCAMLR INTRODUCTION For several years CCAMLR's Working ... , the GYM is a general age-str~~ctured fish stock projection model for assessing the long-term annual ... catches. Recruitme~~ts in future years and in determining the age composition of the population at the ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Автор(ы): Kirkwood, G.P. and A.J. Constable

4. RECRUITMENT AND BODY SIZE IN RELATION TO TEMPERATURE IN JUVENILE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) AT SOUTH GEORGIA

   forecasts of years of good or poor recruitment for the toothfish fishery at South Georgia Author(s):  M ... , South Atlantic. Data from 13 demersal trawl surveys conducted over a 20-year period were analysed ... attained after 13-15 months was higher in years of high juvenile abundance and was significantly inversely ... mirrored those previously observed in a range of krill-dependent land-based predators at South Georgia for ...

   Meeting Document : WG-FSA-08/P02 : Автор(ы): M. Belchier and M.A. Collins

5. Monitoring Antarctic toothfish (D. mawsoni) recruitment in the southern Ross Sea

   variability, and recruitment autocorrelation for an Antarctic toothfish stock. The continuation of the time ... the appearance of a second strong year class in 2016. Although the changes in age frequency were ... recruitment variability, are key inputs for integrated assessments of fish stocks. A quantitative longline ... from 2012 to 2015 followed by a sharp increase in 2016 and 2017. The scaled age and length frequency ...

   Meeting Document : WG-FSA-17/57 : Автор(ы): S.M. Hanchet, S. Mormede, S. Parker, K. Large, A. Dunn and B. Sharp

6. Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001

   . Analyses of the data at the beginning of each summer season could enable us to evaluate the potential for ... considerable decrease in mean SST off South Georgia. This observation is especially obvious for the northern ... up to +0.71°C in 1990/91, whereas it was-1.2°C in 2000/01 (for the 1999/2000 season the SST anomaly ... in the area. The total catch of krill was 81 369 tonnes in 1989/90 and 123 562 tonnes in 1990/91 ... could be verifi ed only by comparing forecasts with actual krill catches for a number of years. The ... the entire year. The reliability of forecasts for krill catches based on hydrological information ... Georgia waters (Subarea 48.3) for December–February of 1989–1991 and 1999–2001. Year Month Cell 1 Cell ... 11 vanyushin PROOF for pdf.indd CCAMLR Science, Vol ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Автор(ы): Vanyushin, G.P

7. Analysis of seamount-specific catch and tagging data in the Amundsen Sea, SSRU 88.2H

   liberty for less than 2 years, and that data from the Amundsen Sea slope SSRUs (88.2C–G) are included in ... Abstract:  Catch, effort, and mark-recapture data for Antarctic toothfish from individual seamount ... areas. These metrics were also calculated for SSRU 88.2H as a whole. The analyses indicate that: Fish ... -2 years before fish depart from these seamounts, presumably back to the slope SSRUs. Therefore, it ...

   Meeting Document : WG-SAM-14/27 : Автор(ы): S.J. Parker (New Zealand)

8. Population assessment of Patagonian toothfish in Subarea 48.4

   addition of catch at age information for 2011, a minor change to the initial parameters of the selection ... Abstract:  This paper presents an update of the assessment of toothfish (Dissostichus spp.) in ... D. eleginoides in the northern region and a simple Petersen biomass estimate derived for D ... pattern and the inclusion of additional information on size at age. CASAL estimates of stock size, harvest ...

   Meeting Document : WG-FSA-12/36 : Автор(ы): R. Scott (United Kingdom)

9. Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia

   interannual variability in the distribution of trawls. The data for 1993 were only available from August but ... the fishery was restricted in that period to an area on the western edge of the shelf break where ... fishing for harvesting to be managed using an ecosystem approach. To this end it would be valuable to ... restricted area of about 30 x 20 km. There were also a few isolated hauls made outside this area. During ... factors determine variability within and between years. This will be particularly important for ... interannual variability in the distribution of trawls. The data for 1993 were only available from August but ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Автор(ы): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt

10. Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment

    . The findings are discussed in relation to surveys for sampling the early stages of fish at South ... distribution and early life history relevant to monitoring year-class strength and recruitment Abstract ... island is an important breeding area for higher predators which are also studied by shorebased research ... depth strata. These net hauls were at 250-150, 150-70 and 70-2 m depth, each for 30 minutes duration ... --'60, 60-100, 100-140, 140-180 and 180-220 m; each net was fished for 20 minutes at 2.5 knots with ... replicates (summer) suggests that for 30 minute tows using MRMT8 nets, three is a minimum and six ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Автор(ы): North, A.W.

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