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1. Important aspects of prey distribution for the formation of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island

   suggested that important factors for the formation of daytime foraging areas may be mainly 1), while those ... during pup-rearing period. It was suggested that important factors may be mainly 4) and 6). In conclusion ... , feeding success may not be necessarily associated with dense aggregation of krill, but with distribution ... of overnight foragers may be primarily 3) and secondarily 6) considering chinstrap penguins may have ...

   Meeting Document : WG-EMM-97/28 : Автор(ы): Bengtson, J.L., Hiruki, L.M., Naganobu, M., Ichii, T., Meyer, W.R., Cameron, M.F., Boveng, P., Takao, T., Miura, A., Jansen, J.K., Kawaguchi, S., Hayashi, T.

2. Estimating the biodiversity of Planning Domain 5 (Marion and Prince Edward Islands – Del Cano – Crozet) for ecoregionalisation

   animals from Planning Domain 5, as is the case with by-catch mortality, it will be necessary for CCAMLR to ... evidence that populations and species may segregate their feeding grounds, which also will need to be ... ). The working group concluded that subtropical areas north of the Planning Domain 5 should be included ... started to evaluate pressures and areas of research that need to be defined (spawning and nursery areas ...

   Meeting Document : WG-EMM-12/33 Rev. 1 : Автор(ы): P. Koubbi (France), R. Crawford (South Africa), N. Alloncle, N. Ameziane, C. Barbraud, D. Besson, C.-A. Bost, K. Delord, G. Duhamel (France), L. Douglass (Australia), C. Guinet (France), G. Hosie (Australia), P.A. Hulley (South Africa), J. O. Irisson (France), K.M. Kovacs (Norway), R. Leslie, A. Lombard, A. Makhado (South Africa), C. Martinez (France), S. Mormede (New Zealand), F. Penot (France), P. Pistorius (South Africa), P. Pruvost (France), B. Raymond (Australia), E. Reuillard, J. Ringelstein (France), T. Samaai (South Africa), P. Tixier (France), H.M. Verheye (South Africa), S. Vigetta (France), C. von Quillfeldt (Norway) and H. Weimerskirch (France)

3. Mitigating killer whale depredation on demersal longline fisheries by changing fishing practices

   identify fishing practices that could reduce odontocete depredation, with a focus on killer whales (Orcinus ... be more accessible to whales that are initially distributed on peri-insular shelves. The CPUE was ... with significant losses for fisheries and potential impacts on wild populations of depredating species ... orca) interacting with Patagonian toothfish (Dissostichus eleginoides) longliners off the Crozet ...

   Meeting Document : WG-FSA-14/P03 : Автор(ы): P. Tixier, J. Vacquie Garcia, N. Gasco, G. Duhamel and C. Guinet

4. Preliminary analysis of seabird by-catch in the South Georgia icefish fishery

   suggest that there may be a year effect. We were unable, with the limited data available, to separate ... trawl fishery for icefish (Champsocephalus gunnari) in Subarea 48.3. From December 2000 – February 2001 ... 92 birds were caught, principally black-browed albatross and white-chinned petrel, with 93% of the ... birds being caught in February. GAM/GLM analysis suggested that month and vessel were significant ...

   Meeting Document : WG-FSA-01/30 : Автор(ы): D.J. Agnew, N. Ansell and J.P. Croxall (United Kingdom)

5. Fitting a von Bertalanffy growth model to length-at-age data accounting for length-dependent fishing selectivity and length-stratified sub-sampling of length frequency samples

   units are selected with a probability that is a function of the response. In sampling to obtain fish to ... random length frequency sample. When the selectivity of the gear combined with availability of fish to be ... parameter estimation has been studied for linear and generalized linear, and linear mixed models but since ...

   Meeting Document : WG-FSA-SAM-05/13 : Автор(ы): S.G. Candy (Australia)

6. Classification of Southern Ocean krill and icefish echoes using Random Forests

   are similar to those for many co-occurring fish species that do not possess swim bladders. At South ... pelagic aggregations, which can be difficult to distinguish acoustically from large krill layers. Mackerel ... icefish are currently surveyed using bottom-trawls, but the resultant estimates of abundance may be biased ... during surveys. The final random forest classified krill, icefish, and mixed aggregations of weak ...

   Meeting Document : WG-EMM-16/23 : Автор(ы): N. Fallon, S. Fielding and P. Fernandes

7. A synoptic review of energetic requirements of southern ocean krill predators

   requirements of krill predators that may be in the most direct competition with the krill fishery. These krill ... fur (Arctocephalus gazella) seals. Basal, active, and. reproductive energy ' requirements are ... compiled for each species. Estimates' of the amount of krill needed. to sustain individuals and/or ...

   Meeting Document : WG-EMM-96/19 : Автор(ы): Stansfield, A.M.

8. Histopathology of Antarctic krill, Euphausia superba, bearing black spots

   superba, since January, 2001. To study the nature of the black spots, the krill were sampled in the winter ... revealed that the black spots were melanized nodules that were composed of hemocytes surrounding either ... of the krill that had melanized nodules. These parasites were directly surrounded by the large ... heteromorphic cells. Histological observations suggested that these heteromorphic cells were attacking the ...

   Meeting Document : WG-EMM-08/P09 : Автор(ы): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu

9. Exploration of CPUE standardisation variances in the Ross Sea (Subareas 88.1 and 88.2A South of 70°s) Antarctic toothfish (Dissostichus mawsoni) exploratory longline fishery

   effort should be used for catch rates in mixed longline fisheries, and (2) how do different parameters ... size. This confirms previous advice that research fishing is conducted with a high level of spatial and ... (hooks/cluster) with Generalised Linear Models (GLMs). The model with total hook numbers was preferred ... with the lowest Akaike’s Information Criterion (AIC), however standardised catch rates over the fishing ...

   Meeting Document : WG-SAM-2019/25 : Автор(ы): D. Maschette, S. Wotherspoon and P. Ziegler

10. A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the 2004/05 season

    parameters. However, multi-chain comparisons and sensitivities with fixed selectivity ogives suggested that ... yields, using the CCAMLR decision rules, were estimated to be 2964 t although continued catch at current ... levels (3207 t) would not be expected to breach the 50%B0 threshold until 2029. Author(s):  A. Dunn, D.J ... ). A range of model sensitivities were examined, with the base case assuming the Ross Sea fishery as a ...

    Meeting Document : WG-FSA-05/33 : Автор(ы): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)

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