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1. Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3

   surveys around South Georgia, Subarea 48.3 Abstract / Description:  Methods for calculating the horizontal ... used during the 1993/94 UK fish stock assessment survey around South Georgia on the MV Cordella are ... presented. Regression equations for the estimation of horizontal opening from other, more easily measured ... variables, such as tow speed and trawl depth, are proposed. Biomass estimates for the major fish species ... , biomass, finfish, CCAMLR INTRODUCTION Surveys using bottom trawls have been used for over 20 years to ... be used to estimate the horizontal opening based on an assumed linear relationship between the two ... of Trawl Geometry For a distance travelled over the ground g and an estimated horizontal opening h ... (17, 20 and 21) were logged every 30 seconds and the fourth (22) every 20 seconds. The hydrophone ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Автор(ы): Pilling, G. and G. Parkes

2. Diet and trophic niche of Macrourus spp. (Gadiformes, Macrouridae) in the Ross Sea region of the Southern Ocean

   carnivorous. Other important prey were copepods (especially for fish with total length less than 30 cm), krill ... fish (especially for fish less than 30 cm), whereas sex, fatness and bottom depth were not significant ... (including regurgitated stomach contents) from an undifferentiated mixture of 33 specimens of these species ... obtained from the Ross Sea slope (between about 71° and 73°S) and on the Scott Island and seamount chain ...

   Meeting Document : WG-EMM-12/P03 : Автор(ы): M.H. Pinkerton, J. Forman, D.W. Stevens, S.J. Bury and J. Brown

3. Связь с Системой Договора об Антарктике

   The Convention on the Conservation of Antarctic Marine Living Resources (CAMLR Convention) forms ... an integral part of the Antarctic Treaty System. Provisions in the CAMLR Convention bind Contracting ... Parties to a range of obligations in the Antarctic Treaty, including: Article III Article IV.1, and ... Article V. The relationship between the CAMLR Convention, the Antarctic Treaty and the Treaty’s Protocol ...

   Page : Site Section: The Organisation

4. Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)

   , 2.5 and 3.5 years were estimated to be 14, 28, 37 and 46 cm total length (TL) respectively. These ... fish younger than 3.5 years. Counting translucent zones in the otoliths of D. mawsoni appears to be a ... valid method for determining the age of this species. In addition, sagittal otoliths were examined from ... D. mawsoni that had been injected with oxytetracycline some years before recapture. The six ... unknown. An examination for daily growth zones was unable to provide any information on the likely time ... is from 0.6 to 4.0 cm yr-1 for fi sh aged from 15 to 30 years. It is interesting that all the ... . 0 20 40 60 80 100 120 140 160 180 0 5 10 15 20 25 30 Age (years) To ta l l en gt h ... curve for D. mawsoni, based on otolith zone counts from 46 fi sh caught in McMurdo Sound, had ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Автор(ы): Horn, P.L., C.P. Sutton and A.L. DeVries

5. Long term variability in the diet and reproductive performance of penguins at Bird Island, South Georgia

   Abstract:  Inter-annual variability in diet during crèche (December to February) over 22 years ... (1989 to 2010) was examined for gentoo penguins Pygoscelis papua breeding at Bird Island, South Georgia ... present in 89 % of samples and were the main prey (> 50 % by mass) in 10 years of the study. Antarctic ... and were the main prey in 12 years, with Champsocephalus gunnari and Lepidonotothen larseni the most ...

   Meeting Document : WG-EMM-17/P02 : Автор(ы): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan

6. Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects

   . Further, the inclusion of an area stratum by fishing year interaction as an additional random effect in ... standard method for modelling catch and effort data for Patagonian toothfish (Dissostichus eleginoides) for ... together with ‘baseline’ parameter estimates, their variance–covariance matrix, and the inverse-link ... function. An alternative GLM with a more rigorous theoretical basis is introduced here. Catch is modelled ... and an anonymous referee for their helpful comments on the manuscript. References Brandão, A., D.S ... 20 30 40 50 -0 .6 -0 .4 -0 .2 0. 0 0. 2 0. 4 0. 6 Ship index R an do n ef fe ct e st ... log-linear any chosen ref- erence level for an additive factor included in η’ other than YEAR simply ... early years of the fi shery and the effect this can have on ‘treatment’ (i.e. YEAR) fi xed-effect ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Автор(ы): Candy, S.G

7. Aspects of the ecology of the bigeye grenadier at South Georgia

   over 30 years and attaining lengths in excess of 80cm (Lt). Von Bertalanffy growth parameters were ... , an average number for a macrourid of this size. A highly skewed sex ratio of 33:1 females: males was ... estimated for females and closely matched those of the congeneic species M. berglax from the Northern ... hemisphere. The size at which 50% of females had started to mature (Lint 50) for M. holotrachys was 21cm (Lpa ...

   Meeting Document : WG-FSA-03/16 : Автор(ы): S.A. Morley, T. Mulvey, J. Dickson and M. Belchier (United Kingdom)

8. Distribution and some biological features of icefish (Champsocephalus gunnari) at different life cycle stages in the South Georgia subarea

   Abstract:  The results of icefish ecology were summarized for the period of above 20 years of ... variability. The functional structure of Ch.gunnari distribution area was described on the basis of juvenile ... after 20 cm length reaching and the bottom one at length above 40 cm. Ch.gunnari undertakes vertical ... for the most time and is fished with midwater trawl. Its diurnal migrations pattern is similar to that ...

   Meeting Document : WG-FSA-99/65 : Автор(ы): Zh.A. Frolkina (Russia)

9. Summary of research voyages in the South Orkney Islands region in 2015/16

   Abstract:  Two scientific research voyages were undertaken on board the RRS James Clark Ross in ... the South Orkney Islands region during the 2015/16 austral summer. These surveys together involved ... and Norway, and focused on the krill-based ecosystem in the main fishing area in Subarea 48.2 ... undertaken in the austral summer of 2015-16. It collected at-sea data on the distribution, abundance and ...

   Meeting Document : SC-CAMLR-XXXV/BG/28 : Автор(ы): Delegations of the United Kingdom and Norway

10. WG-EMM-09

    T. Iida (Japan) WG-EMM-09/20 INTEGRATING COUNT EFFORT BY SEASONALLY CORRECTING ANIMAL POPULATION ... LEOPARD SEALS FOR AN ECOSYSTEM-BASED MANAGEMENT OF SOUTHERN OCEAN FISHERIES J. Forcada, D. Malone, J.A ... Full Name:  Working Group on Ecosystem Monitoring and Management Location:  Bergen, Norway Date(s ... ):  Monday, 6 July 2009 to Friday, 17 July 2009 Meeting documents Doc Number Title WG-EMM-09/01 Agenda for ...

    Meeting

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