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1. Possible effects of different levels of fishing on krill on predators - some initial modelling attempts

   Meeting of the CCAMLR's WG-Kril1 and WG-CEMP in 1992 to address this issue. First. estimates are made ... . Computations based on this model indicate that variability in the annual recruitment of krill results in ... predator population dynamics information in the context of the models developed, and about the model1ing of ... of the parameters of predator survival rates as functions of krill abundance, by considering a krill ...

   Meeting Document : WG-KRILL-93/43 : Автор(ы): D.S. Butterworth and R.B. Thomson (South Africa)

2. Summary of holdings of Patagonian toothfish (Dissostichus eleginoides) otoliths and size-at-age estimates from Heard and McDonald Islands (Division 58.5.2)

   Abstract:  Scientific observers aboard vessels in the Australian fisheries in 58.5.2 have ... collected Dissostichus eleginoides otoliths since the fishery commenced in the 1996/97 season. This program ... has yielded data which has assisted with understanding age structure and growth rates of toothfish in ... currently used in the assessment to predict growth and assign length-at-age to catch-at age, however an ...

   Meeting Document : WG-FSA-07/45 : Автор(ы): D.C. Welsford and G.B. Nowara (Australia)

3. Application of continuous time Markov chains to modelling animal movement: estimation of movement rates and retention times for Patagonian toothfish

   Abstract:  The study of animal movement and distribution has been a central focus in ecology since ... apply the model to estimate the equilibrium distribution of Patagonian toothfish in the region around ... the inception of the science. However, continuous-time, discrete state models have received relatively ... Heard and MacDonald Islands in the Australian Antarctic zone using to mark-recapture data from the ...

   Meeting Document : WG-FSA-SAM-06/16 : Автор(ы): C. Wilcox, M. Bravington and D. Peel (Australia)

4. Preliminary results of an age/length study of juvenile Notothenia rossii marmorata from Potter Cove, South Shetland Islands

   Islands. Results from the analysis of both structures agreed in 95.5%. Likewise, the examination of ... otolith cross sections of chosen specimens confirmed in all the cases the age readings obtained from the ... respectively, which is well in accord with the known length-age distribution of juvenile specimens of the ... species in the fjord. Mean length data at age presented here were compared with published values for ...

   Meeting Document : WG-FSA-90/09 : Автор(ы): E. Barrera-Oro and R. Casaux (Argentina)

5. STRONG EFFECTS OF ENVIRONMENTAL CONDITIONS ON REPRODUCTIVE SUCCESS OF PENGUINS AT KING GEORGE ISLAND

   variability in the reproductive success of Adélie, gentoo, and chinstrap penguins can be explained by simple ... of directional climate change on the future of reproductive success in monitored populations. Author ... ice extent measured during the winter prior to breeding also appears to be an important predictor of ... reproductive success in all species. Biological variables measured during the chick-rearing phase, like krill ...

   Meeting Document : WG-EMM-09/43 : Автор(ы): J. Hinke, C. Reiss and W. Trivelpiece (USA)

6. BEACH DEBRIS SURVEY AND INCIDENCE OF ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA AT SIGNY ISLAND, SOUTH ORKNEY ISLANDS 2007/2008

   ). There was a decrease in the number of plastic packaging bands with only two found in the current season ... (both of which had been cut open), marking a break in the otherwise continued rise in packaging bands ... the longevity of plastics and other materials with a high resistance to degradation in the marine ... Abstract:  This report details the twelfth annual survey of the incidence of entanglements of ...

   Meeting Document : WG-FSA-08/26 : Автор(ы): M.J. Dunn and C.M. Waluda (UK)

7. Maximum entropy reconstruction of stock distribution and inference of stock density from line-transect acoustic survey data

   allows the most efficient possible use of known data in the inference process. The method takes explicit ... account of spatial correlation in the observed data and seeks to reconstruct a distribution of density ... method is computationally demanding but appears to work well, even in cases when the distribution of ... distribution from acoustic line-transect data. MaxEnt is founded on the bedrock of probability theory and ...

   Meeting Document : WG-EMM-02/35 : Автор(ы): A.S. Brierley, S.F. Gull and M.H. Wafy (United Kingdom)

8. Update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) from Division 58.4.1 by Australia and Spain

   Antarctic toothfish in this so called “data poor” area at the end of the whole experience. From the five ... Abstract:  Spain and Australia are conducting fishing research in the 58.4.1 Division from 2013 ... and 2017 respectively, in order to get data and biological samples which enable an assessment of ... surveys completed, the last two have been in coordination between the five proponents, namely Australia ...

   Meeting Document : WG-FSA-18/54 Rev. 1 : Автор(ы): L.J. López-Abellán, M.T.G. Santamaría, R. Sarralde, S. Barreiro, B. Farmer and T. Barnes

9. Decline of Antarctic fur seal (Arctocephalus gazella) population at SSSI No. 32, South Shetlands, Antarctica, during 1997/98: a discussion of possible causes

   Abstract:  Little is known of what happened after the exploitation period with the population of ... the northen tip of Livingston island, where the most important colony of this species on the South ... Niño event, although lower mean weights are reported. Nevertheless, we expect to see during the ... Antarctic fur seal (Arctocephalus gazella) on the Antarctic peninsula region, specifically on the South ...

   Meeting Document : WG-EMM-98/17 : Автор(ы): R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos (Chile)

10. Project of a software catalog of skeletal elements from Antarctic fish species, including some identification facilities

    Abstract:  In our study skeletal elements from fish species of the Antarctic waters were extracted ... , including a database of bone pictures and in the near future various identification keys as well, completed ... by a simple tool to compare the same skeletal elements of different species. In the database most of ... the skeletal elements of the cranial and axial skeleton (apart from a few bones of the neurocranium ...

    Meeting Document : WG-FSA-05/35 : Автор(ы): J. von Busekist, M. Vacchi and G. Albertelli (Italy)

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