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1. New page in the Antarctic krill fishing (Translation from The Fishing Industry of Ukraine, 1–2/2007: 11–14)

   Abstract:  Antarctic krill (Euphausia superba) is one of the largest marine resources of animal ... origin protein on the planet. Krill is the key element of the Antarctic Region ecosystem. Construction of ... modern vessels for krill fisheries and processing is foreseen anyway; introduction of new technologies on ... and other preparations. Became possible due to the construction of specialized large-capacity fish ...

   Meeting Document : SC-CAMLR-XXVI/BG/26 : Autor(es): Delegation of Ukraine

2. Developing a carbon-budget trophic model of the Ross Sea, Antarctica: work in progress

   Abstract:  We report on the development of a carbon-budget trophic-model of the Ross Sea. We ... provisionally defined the food web of the Ross Sea as having the following functional compartments: birds, seals ... heterotrophs, water column zooplankton (ciliates, heterotrophic flagellates, mesozooplankton), three groups of ... column, ice, and benthic). The simple trophic model requires well over a hundred parameters, each of ...

   Meeting Document : WG-EMM-05/18 : Autor(es): M. Pinkerton, S. Hanchet, J. Bradford-Grieve and P. Wilson (New Zealand)

3. Age validation of Patagonian toothfish (Dissostichus eleginoides) from Heard and Macquarie Islands

   counting presumed growth increments on the sectioned face of sagittal otoliths. While there is a general ... . eleginoides in the Heard Island and Macquarie Islands fisheries has included injection of most fish with ... Strontium Chloride (SrCl2) on release. One hundred and forty two of these strontium marked fish were ... selected for analysis. Strontium (Sr) marks were detected in 139 of the 142 otoliths examined. Using the ...

   Meeting Document : WG-FSA-05/60 : Autor(es): K. Krusic-Golub and R. Williams (Australia)

4. Further development and progress towards evaluation of an Antarctic toothfish (Dissostichus mawsoni) stock model for the Ross Sea

   Abstract:  This report outlines the development of a Bayesian sex and age structured population ... model for the assessment of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 ... and 88.2), and initial progress towards evaluation of spatially explicit models. Three model scenarios ... either two or three discrete areas, with migrations of fish between areas. The 2-area model appeared to ...

   Meeting Document : WG-FSA-SAM-05/12 : Autor(es): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)

5. Population, breeding, diet and conservation of Crozet shag Phalacrocorax [atriceps] melanogenis at Marion Island, 1994/95 to 2002/03

   Abstract:  The number of Crozet shags or cormorants Phalacrocorax [atriceps] melanogenis breeding ... mean number of pairs at colonies also decreased and was significantly related to the overall number of ... birds breeding in any given season. The decreases coincided with a period of warming and reduced ... precipitation at Marion Island and with a decrease in the number of gentoo penguins Pygoscelis papua breeding ...

   Meeting Document : WG-EMM-03/17 : Autor(es): R.J.M. Crawford, J. Cooper, B.M. Dyer, A.C. Wolfaardt, D. Tshingana, K. Spencer, S.L. Petersen, J.L. Nel, D.G. Keith, C.L. Holness, B. Hanise, M.D. Greyling and M. du Toit (South Africa)

6. Populations of surface-nesting seabirds at Marion Island, 1994/95 to 2002/03

   Abstract:  During the 1990s and early 2000s, populations of surface-nesting seabirds at Marion ... Island showed different trends, but for the majority of species numbers decreased. Reduced numbers of ... attributed to an altered availability of food. Decreases in numbers of dark-mantled sooty albatrosses ... and possibly northern giant petrels M. halli may have resulted from mortality of birds in longline ...

   Meeting Document : WG-EMM-03/8 : Autor(es): R.J.M. Crawford, J. Cooper, B.M. Dyer, M.D. Greyling, N.T.W. Klages, P.G. Ryan, S.L. Petersen, L.G. Underhill, L. Upfold, W. Wilkinson, M.S. de Villiers, S. du Plessis, M. du Toit, T.M. Leshoro, A.B. Makhado, M.S. Mason, D. Merkle, D. Tshingana, V.L. Ward and P.A. Whittington (South Africa)

7. Ecological games in space and time: the distribution and abundance of Antarctic krill and penguins

   Abstract:  The distribution and abundance of organisms are affected by behaviors, such as habitat ... , environmental conditions, and the biology of the species involved. Although extensive theoretical work has ... explored predator–prey dynamics, these models have not considered the impact of behavioral plasticity and ... of a spatial, dynamic ecological game between predators and prey using a life-history perspective. As ...

   Meeting Document : WG-EMM-03/33 : Autor(es): S.H. Alonzo, P.V. Switzer and M. Mangel (USA)

8. Can trace element signatures in the otoliths of Dissostichus eleginoides record capture size?

   Abstract:  The elemental structure of growth increments in the otoliths of fish reflects the ... composition of water passing across the gills: as a result, elemental signatures can potentially be used to ... reconstruct the environmental history experienced by fish. To test whether the otolith elemental signatures of ... from the outer edges (which are laid down during the interval leading to capture) of otoliths taken ...

   Meeting Document : WG-FSA-03/88 : Autor(es): J.R. Ashford and C.M. Jones (USA)

9. Do fish prey size affect the foraging patterns and breeding output of the Antarctic shag Phalacrocorax bransfieldensis?

   Abstract:  Concurrent information on diet composition, foraging patterns and breeding output of ... , followed by octopods and gastropods. Between colonies there were marked differences in the size of the fish ... number of specimens of the smallest fish species, Harpagifer antarcticus, consumed at that colony ... . Differences in the composition of the diet might be related to different foraging areas used by the shags ...

   Meeting Document : WG-EMM-02/4 : Autor(es): R. Casaux and A. Baroni (Argentina)

10. Report of the WG-FSA Intersessional Subgroup on Sampling Catches from Longlines

    ; 2) the allocation of observer effort within longline haul and between hauls; and 3) the allocation ... of observer effort directed toward fishery target species versus ecological interactions. Both ... activity by sampling every day of hauling. Both methods essentially follow a multi-stage cluster sampling ... fish/day, to sampling a set length of each line or number of hours of each day. The principal advantage ...

    Meeting Document : WG-FSA-02/52

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