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1. A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data

   , and tagging has been an ongoing requirement for all vessels fishing in the fishery since 2004 ... . Although tagging experiments are commonly used for assessing fish stocks, most rely on estimates of ... Sea Region incorporating multi-year mark-recapture data Abstract / Description:  An exploratory ... model was developed for Antarctic toothfish in the Ross Sea region that incorporates multi-year release ... years. This was based on work by Hanchet et al. (2008), who hypothesised an ontogenetic move- ment of ... . Mangel and A.D. MacCall. 2006. A prior for steepness in stock-recruitment relationships, based on an ... . _______________________________________________________________ 1 The CCAMLR fishing season starts on 1 December and ends on 30 November in the following year ... the catches calculated for each year between 1999 and 2012 for Antarctic tooth- fish on the shelf ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Autor(es): Mormede, S., A. Dunn and S.M. Hanchet

2. Stomach contents of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region in 2010 and a comparison with 2003

   two years. It is planned to carry out a more rigorous analysis of these data in the coming year ... items, of which 13 contained only digested prey, leaving 185 stomachs for analysis. The majority of ... whitsoni) dominated the diet occurring in 37% of stomachs and accounting for 45% by weight and 52% by IRI ... . De Witt’s icefish, eel-cods, and glacial squid were also important occurring in about 20% of stomachs ...

   Meeting Document : WG-FSA-10/22 : Autor(es): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)

3. WG-FSA-15

   of Japan WG-FSA-15/20 Revised research plan for toothfish in Division 58.4.4b by Shinsei maru No. 3 ... for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005 ... models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990–2014 K ... in Subareas 88.1 & 88.2 for the years 2000–01 to 2014–15 S.J. Parker and S. Mormede (New Zealand ...

   Meeting

4. CCAMLR-XIX

   Resources CCAMLR-XIX/10 Notification of an exploratory fishery for Dissostichus spp. on Elan and BANZARE ... -XIX/14 Notification of an exploratory pot fishery for crabs in Subarea 48.3 Delegation of Uruguay ... Delegation of Uruguay CCAMLR-XIX/16 Notification of an exploratory pot fishery for Dissostichus eleginoides ... continue an exploratory fishery for Dissostichus spp. in CCAMLR Subarea 88.1 Delegation of New Zealand ...

   Meeting

5. 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 : Autor(es): Pilling, G. and G. Parkes

6. 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 : Autor(es): M.H. Pinkerton, J. Forman, D.W. Stevens, S.J. Bury and J. Brown

7. Relación con el Sistema del Tratado Antártico

   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

8. 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 : Autor(es): Horn, P.L., C.P. Sutton and A.L. DeVries

9. 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 : Autor(es): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan

10. 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 : Autor(es): Candy, S.G

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