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1. Updating the Antarctic krill biomass estimates for CCAMLR Subareas 48.1 to 48.4 using available data

   Abstract:  We present a novel index of Antarctic krill biomass in CCAMLR subareas 48.1 to 48.4 ... , based on data from scientific nets and covering the years between 2000 and 2011. The annual biomass ... variation was significant (CV=73%) but no systematic change in krill biomass was evident during the period ... also suggest that exploitation rates are low and that there is no evidence of a systematic change in ...

   Meeting Document : WG-EMM-15/28 : Автор(ы): S. Hill, A. Atkinson, C. Darby, S. Fielding (United Kingsom), B. Krafft, O.R. Godø, G. Skaret (Norway), P. Trathan, J. Watkins (United Kingdom)

2. A proposal for a CCAMLR vessel monitoring system

   available expertise in the design and implementation of satellite-based vessel monitoring of several CCAMLR ... implementation, which should be taken into account by the Commission in taking a decision on the establishment of ... operational, would take approximately from 1.5 to 2 years Author(s):  Secretariat Title:  A proposal for a ...

   Meeting Document : CCAMLR-XIV/14 : Автор(ы): Secretariat

3. Monitoring and managing the effects of environmental change on toothfish assessments

   environmental conditions that are maintained over a number of years, which includes the effects of global ... CCAMLR’s fishery reports may be revised to include a new section on changes in model parameters and ... environmental variability and change. We note that causal relationships between observed changes in stock ... consideration of changes in biological parameters and work to understand the impact of these changes on yield ...

   Meeting Document : WG-SAM-18/22 : Автор(ы): M. Pinkerton, A. Dunn, S. Mormede and S. Parker

4. Mackerel icefish size and age at South Georgia and Shag Rocks

   in the Southern Ocean have supported a fishery since the 1970s. This study has analysed the length ... between 1987 and 2002. Most surveys were between December and February (summer), with one in September ... modality in the length-frequency distributions. Lengths of age-classes derived by these two methods were ... 3 years at Shag Rocks, potentially indicating greater recruitment variability at Shag Rocks. Age ...

   Meeting Document : WG-EMM-03/7 : Автор(ы): A.W. North (United Kingdom)

5. The ‘CAML/SCAR-MarBIN Biogeographic Atlas of the Southern Ocean’

   comparative biogeographic analyses or discovering marine biodiversity hotspots. At the end of five years of ... 19 CAML-dedicated cruises in the whole Southern Ocean, and following the intense compilation efforts ... (benthos, plankton, nekton, birds and seals) south of 40°S. The hard copy version in large format will be ...

   Meeting Document : WS-MPA-11/15 : Автор(ы): C. De Broyer (Belgium) and P. Koubbi (France)

6. A von Bertalanffy growth model for Division 58.5.2 fitted to length-at-age data and a comparison of predicted with observed growth from mark–recapture data

   years old) to the VB model is also given in order to give more realistic predictions of mean length-at ... trawl in Heard Island fishery were fitted using a von Bertalanffy (VB) growth model taking into account ... being a sharp decline in selectivity from 100% at 1000 mm down to 1% by 1600 mm. The VB curve fitted to ... relative to those for the LF sample were also included in defining relative probabilities, the VP maximum ...

   Meeting Document : WG-FSA-SAM-06/07 : Автор(ы): S.G. Candy, A.J. Constable, T. Lamb and R. Williams (Australia)

7. Distribution and abundance of skates (Bathyraja spp.) on the Kerguelen Plateau through the lens of the toothfish fisheries

   decline in catch rate over the years of the HIMI fishery. Although all skates are returned to the water ... as incidental by-catch in Patagonian toothfish (Dissostichus eleginoides) longline and trawl ... fisheries, and the mackerel icefish (Champsocephalus gunnari) trawl fishery on the Kerguelen Plateau (KP) in ... mainly with depth. Off Heard Island and McDonald Islands (HIMI), in the southern part of the KP, B ...

   Meeting Document : WG-FSA-16/P03 : Автор(ы): G.B. Nowara, P. Burch, N. Gasco, D.C. Welsford, T.D. Lamb, C. Chazeau, G. Duhamel, P. Pruvost, S. Wotherspoon and S.G. Candy

8. Comparison of estimators of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial Distribution

   incorporating fishing selectivity. Either between-year “process” or “systematic” error in these probabilities ... shown that care should be taken to avoid year-to-year model lack-of-fit due to systematic deviations in ... Abstract:  The incorporation of “effective sample size” (ESS) in integrated assessments is an ... a multinomial likelihood when there is extra-multinomial heterogeneity in age class or length class ...

   Meeting Document : WG-SAM-07/7 : Автор(ы): S.G. Candy (Australia)

9. Antarctic fur seal (Arctocephalus gazella) pup growth rates obtained at Cape Shirreff, Livingston Island, South Shetlands: 1994/95 to 1997/98 (CEMP Index C2, Procedure B)

   Shirreff's male pups grow faster in order to undergo with better body conditions higher latitude ... was attained in 1995, and females in 1994. Conversely, lowest growth rate for males was attained in ... 1994, and females in 1995 and 1996. This could be explained by differential maternal expenditure ... ). Further conclusions will have to be tested with larger data sets in order to establish possible ...

   Meeting Document : WS-AREA 48-98/18 Rev. 1 : Автор(ы): R. Hucke-Gaete, V. Vallejos and D. Torres (Chile)

10. REPORT OF THE SECOND MEETING OF THE SEABIRD BYCATCH WORKING GROUP, HERMANUS, SOUTH AFRICA, 17-18 AUGUST 2008

    . Consequently, new developments in this field in recent years are few. Seabird interactions with trawl vessels ... Abstract:  The Fouth Meeting of the ACAP’s Advisory Committee was held in Cape Town, South Africa ... methods to reduce seabird bycatch in trawl fisheries, and noted that the body of work investigating and ... documenting mitigation measures in trawl fisheries is significantly less advanced than for longline fisheries ...

    Meeting Document : WG-FSA-08/61 : Автор(ы): ACAP Seabird Bycatch Working Group

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