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1. Milk fatty acid signatures indicate both major and minor shifts in foraging ecology of lactating Antarctic fur seals

   year (austral summer 1990/1991). In lactating otariid females, milk fatty acids secreted during the ... least in a poor food year, fur seals do not feed exclusively on krill throughout lactation but rather ... fatty acids in the marine food chain and it may be useful in determining the composition of seal diets ... or in detecting changes in diets. We apply fatty acid signature analysis to milks collected from ...

   Meeting Document : WG-EMM-97/14 : Автор(ы): Boyd, I.L., Iverson, S.J., Arnould, J.P.Y.

2. Biomass of Antarctic krill around South Shetland using 2-dB difference method in April 2016

   Abstract:  Antarctic Krill plays an important role in Antarctic ecosystems as the medium that ... connects phytoplankton to penguins, seals, and whales. It is also in the limelight as an important protein ... it is surrounded by Darke Passage in North, Weddle Sea in East, and Bransfield Strait in South ... regulation that limits Krill catch amount using fishing survey and acoustic assessment data in order to ...

   Meeting Document : WG-EMM-16/60 : Автор(ы): Delegation of the Republic of Korea

3. Selectivity-induced bias in growth parameter estimates

   Abstract:  A short simulation study has been carried out to investigate the size of the bias in ... being included in catch samples. Fish were included in catch samples from the population with ... selectivity function used in the simulations closely matched those used for current toothfish assessments in ... producing considerably lower estimates of L? and higher estimates of K than in the true population. The ...

   Meeting Document : WG-FSA-SAM-05/19 : Автор(ы): G.P. Kirkwood (United Kingdom)

4. Energetics of diving in macaroni penguins

   Abstract:  Heart rate (fH), abdominal temperature (Tab) and diving depth were measured in thirteen ... adjustments that might facilitate the diving behaviour observed in this species. In common with other diving ... birds, macaroni penguins showed significant changes in fH associated with diving, and these variables ... accounted for 36% of the variation in dive duration. When VO2 was calculated for dives of different ...

   Meeting Document : WG-EMM-03/39 : Автор(ы): J.A. Green, P.J. Butler, A.J. Woakes and I.L. Boyd (United Kingdom)

5. Information on incidental mortality of seabirds and other protected species in the US West Coast pelagic longline fishery

   Abstract:  Although the IATTC does not have an established observer program in its longline ... subject to pertinent US regulations as well as under the purview of IATTC. In response to a CCAMLR query ... in 2002, IATTC informed CCAMLR of this US observer program. Information about seabird bycatch ... observed in the US West Coast pelagic longline fishery was reported by the US in WG-FSA-02/39. Per a ...

   Meeting Document : WG-FSA-03/39 : Автор(ы): D. Petersen, L. Enriquez and S. Fougner (USA)

6. PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ESTIMATE TOOTHFISH POPULATION SIZE IN THE SOUTH OF SUBAREA 48.4

   Abstract:  1. A three-year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... 48.4; 2. In 2008/09 a total of 214 D. eleginoides and 192 D. mawsoni were tagged and released. Two ... tagged D. mawsoni were recaptured in the first season. 3. Macrourids and rajids dominated finfish bycatch ...

   Meeting Document : WG-FSA-09/18 : Автор(ы): J. Roberts and D.J. Agnew (United Kingdom)

7. DEVELOPING MODELS OF ANTARCTIC MARINE ECOSYSTEMS IN SUPPORT OF CCAMLR AND IWC

   is currently in draft form open to comment and is being developed to provide an introduction to the ... to the use of ecosystem models in CCAMLR and the IWC and a history of the developmental work in those ... that need to be considered in parameterising a model, providing input data for those models and for ... addressing uncertainties in this process. Lastly, it summarises the modelling platforms being developed in ...

   Meeting Document : WG-EMM-08/14 : Автор(ы): A. Constable (Australia)

8. CALIBRATION ERROR IN THE AMLR PLANKTON TIME SERIES

   Isaac-Kidd Midwater Trawl (IKMT) from 1992 to 2007 showed a marked decline (~35%) in the volume of water ... filtered beginning in 2000. Analysis of tow time duration, reported ship speed during tows, and mean number ... of rotor counts from the flow meters showed no significant trends. The discrepancy in volume is ... traced to a simple arithmetic error in the calculation of the mouth area of the net. Since 2000, the net ...

   Meeting Document : WG-EMM-08/19 : Автор(ы): C. Reiss (USA)

9. Penguin foraging behavior in relation to the distribution of prey

   of their primary prey, krill (Euphausia superba) in the vicinity of Seal Island, South Shetland ... migration pattern, being dispersed in the upper portion of the water column at night and more concentrated ... midnight, with a reduction in effort around dawn and dusk (local apparent time). The mean and maximum depth ... dives did not exceed the maximum depth distribution of krill. These patterns in diving behavior may ...

   Meeting Document : WG-KRILL-93/47 : Автор(ы): D.A. Croll, R.P. Hewitt, D.A. Demer and J.K. Jansen (USA)

10. Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change

    Abstract:  Recent, rapid climate change is now well documented in the Antarctic, particularly in ... collapse; overall, 87% of the Peninsula’s glaciers have retreated in recent decades. Ice shelf collapse ... will lead to the loss of existing marine habitats and the creation of new habitats. In general, fauna ... under ice shelves exist in oligotrophic conditions, and because ice shelf collapse may lead to greater ...

    Meeting Document : WG-EMM-12/34 : Автор(ы): P.N Trathan, S.M. Grant (United Kingdom), V. Siegel and K.-H. Kock (Germany)

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