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1. Comparison of bootstrap methods for assessment of mackerel icefish (Champsocephalus gunnari) in CCAMLR Statistical Subarea 48.3 based on the ground fish survey

   Abstract:  The existing bootstrap used in the assessment of icefish biomass in CCAMLR subarea 48.3 ... was compared to an alternative rescaled bootstrap to compare the performance of the methods. The ... differences between the method were small (less than 5%) except for slightly lower 5%iles in 2002 and 2004 in ... the rescaled bootstrap. Author(s):  T. Earl and N. Fallon Title:  Comparison of bootstrap methods for ...

   Meeting Document : WG-SAM-17/36 : Автор(ы): T. Earl and N. Fallon

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

   Abstract:  This paper presents a ‘first-step’ proposal for CCAMLR to consider the effects of ... environmental conditions that are maintained over a number of years, which includes the effects of global ... climate change. The effects of environmental variability and change on toothfish population dynamics and ... productivity are largely unknown and are difficult to predict given our current understanding of the Southern ...

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

3. A revised Krill Trawl logbook for the 2019 season

   Abstract:  During the 2017 Scheme of International Scientific Observation workshop (WS-SISO), the ... data collection requirements for krill observers were discussed, with recommendations tabled in the WS ... -SISO Convener’s Report (SC-CAMLR-XXXVI/08) for amendments to the krill e-logbook used by SISO observers ... . This paper summarizes the changes to the e-logbook for proposed introduction in the 2019 season. Author ...

   Meeting Document : WG-EMM-18/39 : Автор(ы): CCAMLR Secretariat

4. Estimating the abundance of pack-ice seals off east Antarctica

   Abstract:  A survey was undertaken to provide estimates of the abundance of crabeater, Ross and ... helicopters to estimate the density of seals hauled out on the ice in survey strips. The probability of ... -linked dive recorders were deployed on a sample of seals to estimate the probability of seals being ... hauled out on the ice at any time of day. Due to non-random placement of survey transects, model-based ...

   Meeting Document : WG-EMM-05/23 : Автор(ы): C. Southwell (Australia), D. Borchers, C. Paxton (United Kingdom), B. de la Mare (Canada), P. Boveng (USA), A.S. Blix and E.S. Nordoy (Norway)

5. Changes observed in krill length frequency distribution during repeated sampling on the South Georgia shelf in 2000 January–February

   on 22 February and 3 February correspondingly. The comparative analysis revealed the strong ... difference in krill inhabiting Northwest and Northeast South Georgian waters. According to the data available ... the difference do not disappear in time, instead certain increase of krill length was observed in both ... parts. The data analyzed confirm that krill on the Northern South Georgian shelf has different origin ...

   Meeting Document : WG-EMM-01/40 : Автор(ы): V.A. Sushin and F.F. Litvinov (Russia)

6. Review of biological characteristics of the Antarctic toothfish (Dissostichus mawsoni) and its distribution in Antarctic waters

   Abstract:  Results of published studies on the biology, biomass and distribution of the Antarctic ... toothfish (Dissostichus mawsoni) were reviewed. The review focused on those aspect of the species which are ... of importance for the assessment of its biomass and identification of its stocks. The trophodynamics ... of D. mawsoni are mentioned only in brief. Most published materials refer to studies conducted in the ...

   Meeting Document : WG-FSA-98/37 : Автор(ы): Secretariat

7. Designing Marine Protected Area networks: insights from the CHARM3 project

   Action 12 of the CHARM3 project, which focuses on spatial conservation planning in the English Channel ... . The first analysis investigates the use of species area curves for setting marine habitat targets and ... shows this approach is sensitive to sample size and the type of species richness estimator. Thus, there ... targets are objective and scientifically defensible. The second analysis combines the Marxan and MinPatch ...

   Meeting Document : WS-MPA-11/22 : Автор(ы): R.J. Smith and K. Metcalfe (UK)

8. PROPOSED APPROACH FOR THE IDENTIFICATION OF IMPORTANT MARINE AREAS FOR CONSERVATION: USING ‘MARXAN’ SOFTWARE TO SUPPORT SYSTEMATIC CONSERVATION PLANNING

   the pelagic environment, using Subarea 48.2 (South Orkney Islands) as a pilot study area. The aim of ... the worked example is not to identify areas for protection or management at this stage, but rather to ... test the utility of this methodology, and to demonstrate the types of data and the range of decisions ... ; Game & Grantham, 2008) is used to objectively determine the possible contribution of individual ...

   Meeting Document : WG-EMM-08/49 : Автор(ы): S.M. Grant, J. Tratalos and P.N. Trathan (United Kingdom)

9. THE AUSTRALIAN SKATE TAGGING PROGRAM AT HEARD ISLAND AND MCDONALD ISLANDS, CCAMLR DIVISION 58.5.2

   Abstract:  Tagging of the three species of skates taken as by-catch in the Heard Island and ... McDonald Islands toothfish fishery, Bathyraja eatonii, B. irrasa and B. murrayi has taken place over the ... last eight years with nearly 6,000 skates tagged. The recapture rate has been low, less than one ... were released. The mean distance between release and recapture was 4.8 nautical miles, even though the ...

   Meeting Document : WG-FSA-08/55 : Автор(ы): G.B. Nowara and T. Lamb (Australia)

10. Diet and prey consumption of Antarctic petrels Thalassoica antarctica at Svarthamaren, Dronning Maud Land and at sea outside the colony

    Abstract:  The diet of the Antarctic petrel Thalassoica antarctica was studied during two years at ... Svarthamaren, an inland colony situated in Dronning Maud Land, Antarctica and in the pack-ice outside ... Svarthamaren. The analyses showed that the most important food (wet weight) at Svarthamaren was Crustaceans (68 ... %), followed by fish (29%) and squid (3%), whereas individuals collected in the pack ice took mostly fish (95 ...

    Meeting Document : WG-EMM-97/58 : Автор(ы): Røv, N., Lorentsen, S., Klages, N.

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