Résultats de la recherche

1. Validation of age determination in Notothenia coriiceps, by means of a tag-recapture experiment at potter cover, South Shetland Islands

   after the period of liberty. In scales of those specimens recovered after 11-13 months, one extra ... annulus was laid down. The same analysis in one individual recovered after 21 months resulted in 2 extra ... closely spaced sclerites zones, which corresponded with an elapse of two winter seasons. The comparative ... Shetland Islands, in successive years from 1989 to 1992, 9 were recaptured at the same site after periods ...

   Meeting Document : WG-FSA-94/12 : Auteur(s): E.R. Barrera-Oro and R.J. Casaux (Argentina)

2. Estimates of the tag loss rates for single and double tagged toothfish (Dissostichus mawsoni) fishery in the Ross Sea

   tagged fish having at least one tag remaining after one year at liberty; 98.9% after two years at liberty ... (95% C.I.s 0.027–0.052) tags per year. For double tagged fish this corresponds to 99.5% of double ... that the impact on the assessment of ignoring tag recapture data after a six year period was to ... ; declining to 94.6% after six years; and to 88.4% after ten years. Comparison of the different loss rate ...

   Meeting Document : WG-SAM-11/18 : Auteur(s): A. Dunn, M.H. Smith (New Zealand), D.J. Agnew (UK) and S. Mormede (New Zealand)

3. The principal results of YugNIRO complex studies in the Indian sector of the Antarctic

   Abstract:  In 1997 it was 30 years from the moment of launching YugNIRO fisheries studies in the ... Antarctic. Two essential points should be emphasized in the ideology and methodology of the studies carried ... essential part. Author(s):  V.I. Bondarenko, V.A. Bibik, V.V. Gerasimchook, E.P. Goubanov, A.V. Romanov and ...

   Meeting Document : WG-EMM-98/12 : Auteur(s): V.I. Bondarenko, V.A. Bibik, V.V. Gerasimchook, E.P. Goubanov, A.V. Romanov and B.G. Trotsenko (Ukraine)

4. Towards a validation of ageing in mackerel icefish (Champsocephalus gunnari) – can we estimate age more accurately?

   older than 3 or 4 years were aged. These differences could not be reconciled at the end of the exchange ... Abstract:  Age estimates of mackerel icefish from different laboratories obtained during a CCAMLR ... ototlith exchange programme in the late 1980’s revealed considerable differences between readers when fish ... . A second age determination workshop on mackerel icefish to improve the accuracy of age determination ...

   Meeting Document : WG-FSA-05/23 : Auteur(s): K.-H. Kock (Germany) and Zh.A. Frolkina (Russia)

5. An update on the development of a management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   Abstract:  Two Operating Models (OMs) reflecting an “Optimistic” and a “Pessimistic” current ... status for the toothfish resource in the Prince Edward Islands region that were developed last year are ... a constant future catch suggest that the two scenarios will only be qualitatively distinguished in ... the “Pessimistic” scenario, but neither is as appreciable as one might wish. Suggestions for future ...

   Meeting Document : WG-FSA-SAM-06/12 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)

6. An assessment of longlining operations for Dissostichus eleginoides on board the Chilean-registered longliner BF Cisne Verde during March–May 1997 around South Georgia (Subarea 48.3)

   effort at two observation stations into one daily sampling schedule. Data for total length, maturity and ... sampling method; the known number of coils laid during a night's setting operations provided the ... -exploitation may become a threat. Author(s):  Ashford, J.R., Everson, I. Title:  An assessment of longlining ...

   Meeting Document : WG-FSA-97/41 : Auteur(s): Ashford, J.R., Everson, I.

7. Committee for Environmental Protection: 2016 Annual Report to the Scientific Committee of CCAMLR

   both. In order to avoid duplicate reporting between the two committees, and following discussions ... CEP’s annual report to SC- CAMLR-XXXV. Furthering the goal of cooperation between the two bodies, the ... second joint CEP-SC-CAMLR workshop was held May 19-20, 2016 in Punta Arenas, Chile, just prior to the CEP ... meeting. The terms of reference for the workshop focused primarily on two areas of overlapping interest ...

   Meeting Document : SC-CAMLR-XXXV/BG/09 : Auteur(s): CEP Observer to SC-CAMLR (Dr P. Penhale, USA)

8. Summary of the seabird and marine mammal observations during observed toothfish (Dissostichus spp.) longline fishing operations in CCAMLR Subareas 88.1 and 88.2

   capense), Antarctic petrels (Thalassoica antarctica), Wilson's storm petrels (Oceanities oceanicus ... composition reported each year because of variation in the spatial distribution of the seabirds. At-sea ... , but this feeding was away from the vessel activity. Nine marine mammal species were observed close to ... ), and snow petrels (Pagodroma nivea). The highest species diversity was in waters north of about 70º S ...

   Meeting Document : WG-FSA-04/42 : Auteur(s): S.J. Baird (New Zealand)

9. POPULATION ASSESSMENTS OF GENTOO PENGUINS (PYGOSCELIS PAPUA) BREEDING AT AN IMPORTANT ANTARCTIC TOURIST SITE, GOUDIER ISLAND, PORT LOCKROY, PALMER ARCHIPELAGO, ANTARCTICA

   Peninsula; it is one of the most frequently visited tourist sites in Antarctica. A number of gentoo penguin ... (Pygoscelis papua) breeding colonies are located on the island and these have been the focus of one of the ... six visited colonies, two showed an important and significant statistical decline in the number of ... breeding pairs. One of these declining colonies is used to determine the breeding chronology dates for all ...

   Meeting Document : WG-EMM-09/P07 : Auteur(s): P.N. Trathan, J. Forcada, R. Atkinson, R.H. Downie and J.R. Shears

10. Fishing patterns of Japanese krill trawlers

    Abstract:  Log book data from Japanese Krill Trawlers were used to characterize their fishing ... with the plots of aggregated catch, suggesting these two kinds of CPUEs may not be good indices for ... expressing the status of krill in the fishing ground. Author(s):  S. Kawaguchi, T. Kameda and Y. Takeuchi ...

    Meeting Document : WG-EMM-02/28 Rev. 1 : Auteur(s): S. Kawaguchi, T. Kameda and Y. Takeuchi (Japan)

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