Résultats de la recherche

1. Champsocephalus gunnari stock status in the South Georgia area

   intensity was F 0.1. In the first two cases TAC=25-30 thousand tonnes and stock size does not change. For ... recruitment was taken at the lowest possible level for all these years (400 million specimens). Catch-per-unit ... / Description:  ata of age composition and fishing effort for 1976/77-1987/88 were used to analyse stock status ... and TAC for C. gunnari. Stock estimates were obtained using VPA with the following variations: mean F ... was FO.1• In the first two cases TAC=2S-30 thousand tonnes and stock size does not change. For the ... individuals). Biomass (thousand tonnes). Stock status and T AC prediction if F is an average value for the ... , using F regression on fishing effort and method of average weighted F. For 1986/87 the values ... possible level for all these years (400 million specimens). Catch-per-unit-effort was also taken at the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Auteur(s): Borodin, R. and P. Kochkin

2. WG-FSA-97

   -97/41 An assessment of longlining operations for Dissostichus eleginoides on board the Chilean ... Petrenko, A.S. WG-FSA-97/09 An assessment of seabird interactions with longlining operations for ... Islands Williams, R., de la Mare, W.K., Constable, A. WG-FSA-97/31 A proposed research plan for an ... , K.A.R., Parnes, P. WG-FSA-97/54 Development of an underwater setting method for surface longliners, to ...

   Meeting

3. COLTO Depredation Workshop

   operational guidelines in regards to depredation. A second depredation workshop is planned for 2018, aimed at ... 2016.  Results were an enhanced understanding on the current state of depredation in toothfish ... evaluate depredation.  “Next steps” regarding studying and minimising depredation were established for all ... that were addressed in the inaugural workshop. Since the workshop, two separate post-doctoral ...

   Meeting Document : SC-CAMLR-XXXV/BG/23 : Auteur(s): Submitted by COLTO

4. 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 : Auteur(s): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)

5. WG-FSA-15

   of Japan WG-FSA-15/20 Revised research plan for toothfish in Division 58.4.4b by Shinsei maru No. 3 ... /2015 of Korea Delegation of the Republic of Korea WG-FSA-15/58 Towards an all year round monitoring the ... , A.L. DeVries, S.M. Hanchet and R. Eisert WG-SAM-15/50 Progress report for the third year of the ... for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005 ...

   Meeting

6. 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

7. 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 ... . Overall, amphipods were the dominant prey found in Macrourus spp. stomachs with an index of relative prey ...

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

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

   in each consecutive mode. This indicates that the modes represented year classes and that one ... valid method for determining the age of this species. In addition, sagittal otoliths were examined from ... , 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 ... 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 ... baked whole in an oven at 280°C for about 5 minutes until they were a light amber colour. The ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Auteur(s): 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

   (1989 to 2010) was examined for gentoo penguins Pygoscelis papua breeding at Bird Island, South Georgia ... variability for both species, but their diets indicate that gentoo penguins are generalist predators (feeding ... pelagic prey). Differences in the response to variability in key prey species is an important factor ... separating the ecological niches of these two sympatric krill predators. Author(s):  C.M. Waluda, S.L. Hill ...

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

10. Krill population biology during the 1991 Chilean Antarctic krill fishery

    size from 1.5 to 3 cm). Two subsamples of 100 specimens each were taken from 50 samples and analysed ... . The fishing ground was divided into two areas: Area A, north of the South Shetland Islands; and Area B ... 419 hauls. In Area A, a unimodal size frequency distribution was found; the size range was between 30 ... and 55 mm TL, with a mean TL of 45 mm for females and 48 mm for males. A very weak mode for juvenile ... between 30 and 55 mm TL, with a mean TL of 45 mm for females and 48 mm for males. A very weak mode for ... other (modal length 32 mm) for juvenile specimens between 20 and 39 mm TL. Females comprised 47.1 ... length mode of specimens between 30 and 55 mm TL, a mean TL of 45 mm for females and 48 mm for males ... ) for juvenile specimens (sex undetermined) between 20 and 39 mm TL (Figure 4). Females were also more ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Auteur(s): Mujica R., A., E. Acuña S. and A. Rivera O.

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