Resultados de la búsqueda

1. Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2012/13

   (operational during summer only; 25 November 2012 to 20 March 2013) recorded a total of 13 items of beached ... lowest recorded in 23 years of summer surveys at Signy Island, possibly due to sea-ice coverage at the ... and giant petrels, but above the mean for black-browed albatrosses. Author(s):  Delegation of the ...

   Meeting Document : SC-CAMLR-XXXII/BG/05 : Autor(es): Delegation of the United Kingdom

2. Disentangling the influence of three major threats on the demography of an albatross community

   threats on the demography of seabird communities is vital for evidence-based conservation. Using 20 years ... negative relationships with survival, and explained 21.2% and 22.3-31.6% of the variability. Author(s ...

   Meeting Document : WG-FSA-2019/34 : Autor(es): J.B. Cleeland, D. Pardo, B. Raymond, G.N. Tuck, C.R. McMahon, R.A. Phillips, R. Alderman, M.-A. Lea and M.A. Hindell

3. 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 ... 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 ... and 0.953, respectively). Black-browed Albatrosses breed for the first time at a younger average age ...

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

4. 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 ... (s):  D.C. Welsford and G.B. Nowara (Australia) Title:  Summary of holdings of Patagonian toothfish ... 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 ...

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

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

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

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

6. 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 : Autor(es): Foote, K.G.

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

   estimates year class strength which corresponds, in some years, with estimates made from the South Georgia ... be considered, and that the toothfish assessment is undertaken at periods of greater than one year ... . Author(s):  D.J. Agnew, R. Hillary and J. Pearce (United Kingdom) Title:  Preliminary assessment of the ... higher than was estimated last year. 2. Improvements are made to the fit of tag data through (a ...

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

8. 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 : Autor(es): I.L. Boyd (UK)

9. 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 : Autor(es): Delegation of France

10. 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 : Autor(es): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)

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