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1. Characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) through 2018/19

   and SSRUs 88.2AB) together with biological characteristics of the catch of Antarctic toothfish through ... the 2019 season. The implementation of the Ross Sea Region Marine Protected area in December of 2017 ... , concentrated fishing on the slope south of 70° S on the traditional fishing grounds, with some expansion of ... respect to the current management areas. The median and 90 th percentile of the scaled length ...

   Meeting Document : WG-FSA-2019/07 : Автор(ы): J. Devine, S. Parker and A. Dunn

2. Preliminary tag-recapture based population assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.4

   Abstract:  The biomass of Antarctic toothfish (D. mawsoni) in CCAMLR subarea 48.4 is estimated ... from tagging returns to average 1109 tonnes since 2010, with a five-year (2015-2019) average biomass of ... 1187 tonnes. Applying the CCAMLR agreed precautionary assumption of average biomass across the time ... series and harvest rate of γ = 0.038, implies a 2019/20 yield of 45 tonnes using the 5-year average ...

   Meeting Document : WG-FSA-2019/27 : Автор(ы): T. Earl and A. Riley

3. Circumpolar connections between Antarctic krill (Euphausia superba Dana) populations: Investigating the roles of ocean and sea ice transport

   critical food source and shelter, particularly in the early life stages. Advective modelling of transport ... pathways of krill have until now been on regional scales and have not taken explicit account of sea ice ... potential roles of the ocean and sea ice in maintaining the observed circumpolar krill distribution. We show ... dispersal depending upon location. Within the major krill region of the Scotia Sea, the effect of temporal ...

   Meeting Document : WG-EMM-07/P10 : Автор(ы): S.E. Thorpe, E.J. Murphy and J.L. Watkins (United Kingdom)

4. An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging program in Subareas 88.1 and 88.2 for 2006/07

   Abstract:  Descriptive analyses of the toothfish tagging programme carried out in Subareas 88.1 ... and 88.2 since 2001 are updated. The paper provides a preliminary update of the tag-release and tag ... -recapture data that were presented at the October 2006 meeting of WG-FSA by including data from New Zealand ... previously were unavailable for about half of the non-New Zealand vessels for 2004 are now available and ...

   Meeting Document : WG-SAM-07/5 : Автор(ы): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)

5. 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 : Автор(ы): Delegation of Ukraine

6. 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 : Автор(ы): M. Pinkerton, S. Hanchet, J. Bradford-Grieve and P. Wilson (New Zealand)

7. 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 : Автор(ы): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)

8. 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 : Автор(ы): 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)

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 : Автор(ы): R. Casaux and A. Baroni (Argentina)

10. Estimating food consumption of marine predators: Antarctic fur seals and macaroni penguins

    Abstract:  1. Estimating food consumption is central to defining the ecological role of marine ... , growth, diet, life history and the activity budgets of marine predators to estimate population energy ... requirements and food consumption. 2. Two species of marine predators (Antarctic fur seal Arctocephalus gazella ... examples to test the algorithm. A sensitivity analysis showed that estimates of prey consumed were most ...

    Meeting Document : WG-EMM-02/23 : Автор(ы): I.L. Boyd (United Kingdom)

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