Résultats de la recherche

1. Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophrys and D. chrysostoma at Campbell Island, New Zealand, 1942–96

   increasing slightly at average rates of 1.1% and 2.1% per annum at two colonies. The long-term downward trend ... and 0.953, respectively). Black-browed Albatrosses breed for the first time at a younger average age ... than do Grey-headed Albatrosses (10 years and 13.5 years, respectively), have a higher average breeding ... conditions influence demographic characteristics. Author(s):  S.M. Waugh (New Zealand), H. Weimerskirch ...

   Meeting Document : WG-FSA-04/58 : Auteur(s): S.M. Waugh (New Zealand), H. Weimerskirch (France), P.J. Moore and P.M. Sagar (New Zealand)

2. Summary of holdings of Patagonian toothfish (Dissostichus eleginoides) otoliths and size-at-age estimates from Heard and McDonald Islands (Division 58.5.2)

   aged from the annual trawl survey or the longline fishery, making constructing historical season by ... has yielded data which has assisted with understanding age structure and growth rates of toothfish in ... individuals which have been processed by the Central Ageing Facility to provide size-at-age estimates. Over ... collected from recaptured tagged fish. More than 3200 otoliths have been processed to provide size-at-age ...

   Meeting Document : WG-FSA-07/45 : Auteur(s): D.C. Welsford and G.B. Nowara (Australia)

3. Variations in the diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia (Antarctic)

   replace d by the ubiquitous Themisto gaudichaudii. The occurrence of krill in the diet in 1991 was one of ... the lowest within a 28 year period of investigation. Variation in food composition between sampling ... energy content appears to be the prefered diet. In years of krill shortage, such as in 1991, krill is ... gonad maturation in order to maintain body size. Author(s):  K.-H. Kock and S. Wilhelms (Germany), I ...

   Meeting Document : WG-FSA-93/24 : Auteur(s): K.-H. Kock and S. Wilhelms (Germany), I. Everson (United Kingdom) and J. Gröger (Germany)

4. Comparison of equal-area cylindrical and circular piston transducers

   between cylindrical and circular piston transducers by comparing the performance of the two according to ... of 20 dB, the active sonar equation is exercised to estimate the maximum detection range of both ... problems requiring future treatment are identified. Author(s):  Foote, K.G. Title:  Comparison of equal ...

   Meeting Document : WG-EMM-95/08 : Auteur(s): Foote, K.G.

5. Preliminary assessment of the South Georgia toothfish stock, 2007

   be considered, and that the toothfish assessment is undertaken at periods of greater than one year ... estimates year class strength which corresponds, in some years, with estimates made from the South Georgia ... higher than was estimated last year. 2. Improvements are made to the fit of tag data through (a ... retardation than larger fish, and that on average it is 1 year or more. 3. A new model is developed which uses ...

   Meeting Document : WG-FSA-07/29 : Auteur(s): D.J. Agnew, R. Hillary and J. Pearce (United Kingdom)

6. Environmental variability and the behavioural dynamics of Antarctic fur seals in the South Atlantic

   had strong effects when lagged by one year. This was supported by bivariate correlation between the ... gazella) over 15 years at the island of South Georgia in relation to major indices of southern hemisphere ... . Author(s):  I.L. Boyd (UK) Title:  Environmental variability and the behavioural dynamics of Antarctic ...

   Meeting Document : WS-AREA 48-98/16 : Auteur(s): I.L. Boyd (UK)

7. Proposal for a research plan for the exploratory longline fishery for Dissostichus spp. in 2014/15 in Division 58.4.4

   fishing, CCAMLR decided to close the fishery in 2002 in division 58.4.4. Since 2008 only one vessel ... 24-01. France notifies its wish to collaborate in this research fishery over the coming years in ... result in sufficient tag recaptures to substantially refine the stock assessment. Author(s):  Delegation ...

   Meeting Document : WG-SAM-14/18 : Auteur(s): Delegation of France

8. Biotopic and spatial distribution of krill Euphausia superba Dana (Crustacea, Euphausiacea) length groupings in the Atlantic sector of Antarctic in summer 1984 and 1988

   the basis of the data of two complex surveys carried out in the western Atlantic sector of Antarctic ... the forth one is formed as a result of mixing of the groupings inhabiting different biotopes under the ... western Atlantic sector of Antarctic has not actually changed. Author(s):  V.V. Lidvanov, A.V. Zimin, K.E ...

   Meeting Document : WG-EMM-04/27 : Auteur(s): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)

9. Krill fishery report: 2012 update

   have fished for krill in Area 48; one vessel is using the continuous fishing system. The total catch ... . In 2010/11, 13 vessels fished for krill in Area 48 and the total catch of krill was 180986 t; two ... tonnes. Author(s):  Secretariat Title:  Krill fishery report: 2012 update Approval:  Approved ...

   Meeting Document : WG-EMM-12/05 : Auteur(s): Secretariat

10. Demersal fish communities in the Ross Sea region of Antarctica: comparisons between video and trawl survey methods

    spanning the continental shelf, northern continental slope, abyssal plain, and two seamounts were sampled ... using the towed camera and at least one of the trawl types, allowing direct comparisons between sampling ... demersal fish populations. Author(s):  D.A. Bowden, S.M. Hanchet and P.M. Marriott (New Zealand) Title ...

    Meeting Document : WG-FSA-12/51 : Auteur(s): D.A. Bowden, S.M. Hanchet and P.M. Marriott (New Zealand)

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