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1. Estimating prey consumption of the non-breeder component of an Adélie penguin population

   Abstract:  Estimating the consumption of prey by higher-order predators is a priority for WG-EMM ... as an element in CCAMLR’s ecosystem-based approach to management for the krill fishery in the ... recorded at the breeding colonies. However, recent work suggests that the size of the non-breeder component ... of an Adélie penguin population can be substantial compared with the size of the breeder population ...

   Meeting Document : WG-EMM-17/12 : Автор(ы): L. Emmerson and C. Southwell

2. Outline for year 2 of the 3-year longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4

   Abstract:  This paper outlines the specific research objectives and plan to achieve them for the ... second year of an agreed 3-year longline survey, in the wider context of connecting the recently ... undertaken surveys in Subarea 48.2 with the established fishery in Subarea 48.4. The overall research ... distributions of benthic bycatch species. This paper reiterates the key points of WG-SAM-17/34, updates ...

   Meeting Document : WG-FSA-17/45 : Автор(ы): M. Söffker and M. Belchier

3. Fish by-catch in the krill fishery: 2018 update

   Abstract:  Data on fish bycatch in the krill fishery from commercial catch data (120 949 hauls ... ) and CCAMLR SISO data (17 455 hauls) up to 20 Sept 2018 was used to examine the frequency of occurrence ... , length-frequency distribution and geographic provenance of the key fish taxa reported. There is an ... increase in the data quality from the observer scheme and an increase in the frequency of fish bycatch in ...

   Meeting Document : WG-FSA-18/10 : Автор(ы): CCAMLR Secretariat

4. Shipboard line transect surveys of crabeater seal abundance in the pack-ice off East Antarctica: evaluation of assumptions

   Abstract:  The extent to which the assumptions underlying line transect sampling are satisfied in ... shipboard surveys of crabeater seals hauled-out on the Antarctic pack-ice is examined. Crabeater seals ... showed little movement in response to the approaching ship. Movement away from the ship by seals close to ... the ship’s track was partially responsible for a relative lack of sightings close to the transect-line ...

   Meeting Document : WG-EMM-04/64 : Автор(ы): C. Southwell, W. de la Mare (Australia), D. Borchers and L. Burt (United Kingdom)

5. DOWN-SCALING FOOSA TO MODEL THE ADMIRALTY BAY PYGOSCELID PENGUIN COLONIES: A WORK IN PROGRESS

   Abstract:  We apply Foosa at the scale of interactions among the 3 breeding penguin colonies ... , krill, and environmental variability at the long-term research site in Admiralty Bay, King George Island ... -fitting framework for the purpose of model validation, and 2) to add and explore functionality in Foosa to ... that Foosa capably captures the general trends in adult abundance at Admiralty Bay with minimal formal ...

   Meeting Document : WG-EMM-08/51 : Автор(ы): J.T. Hinke, G.M. Watters and W.Z. Trivelpiece (USA)

6. Potential impacts of climate change on the Southern Ocean ecosystem

   Abstract:  Global climate change has the potential to disrupt the delicately poised themal balance ... in surface waters of the Southern Ocean around Antarctica, threatening this highly productive system ... with severe and permanant collapse. Pivotal to this process is a diminution of the important (but ... little studied) CO2 sink in the Southern Ocean, resulting in a series of feedback loops accelerating ...

   Meeting Document : CCAMLR-VIII/BG/21 : Автор(ы): R.G. Chittleborough (Australia)

7. Influence of tag numbers, size of tagged fish, duration of the tagging program, and auxiliary data on bias and precision of an integrated stock assessment

   collection, this study investigated how the bias and precision of a CASAL assessment is influenced by various ... aspects of a tagging program, in particular the effects of the numbers of fish tagged, the duration of a ... tagging program, the size of tagged fish, and the type of auxiliary data used in the assessment. The ... numbers were important particularly in the early stages of an exploratory fishery to ensure some ...

   Meeting Document : WG-SAM-12/24 : Автор(ы): P.E. Ziegler (Australia)

8. Testing for genetic differentiation between two size classes of the starry skate (Amblyraja georgiana)

   in the catch data from the Ross Sea fisheries. We extracted DNA from A. georgiana samples from both ... size classes collected by Scientific Observers in the Ross Sea. We determined the DNA sequences of five ... mitochondrial DNA (mtDNA) gene sequences and tested whether the two size classes represented genetically ... among the samples of A. georgiana that were collected in the Ross Sea region, and the data did not ...

   Meeting Document : WG-FSA-12/53 : Автор(ы): P. Ritchie and A. Fleming (New Zealand)

9. Skate tagging in the Heard Island and McDonald Island (Division 58.5.2) toothfish fishery up to 2013

   Abstract:  The fisheries targeting Patagonian toothfish (Dissostichus eleginoides) and mackerel ... icefish (Champsocephalus gunnari) in the Australian Fishing Zone surrounding Heard Island and McDonald ... bycatches. A tagging program has operated in these fisheries since 2001 to learn more about the movement and ... biology of these species. In the 13 years, over 12,000 skates have been tagged, with 112 recaptures, a ...

   Meeting Document : WG-FSA-13/22 : Автор(ы): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)

10. Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2015–2018

    fishing seasons 2015-2018. The present program aims to recapture tagged fishes released during the ... implementation of the previous research program took place in 2010-2012 fishing seasons and investigate resource ... potential and life cycle of Dissostichus species within the eastern part of the Ross Sea over shelf and ... continental slope within the Subarea 88.2 A. The present document is a new edition of the CCAMLR Document WG ...

    Meeting Document : WG-FSA-15/27 : Автор(ы): Delegation of the Russian Federation

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