Résultats de la recherche

1. The use of predator-derived krill length-frequency distributions to calculate krill target strength

   calculated from acoustic data. Changes in the lengthfrequency distribution of krill over a period of a few ... weeks produced a 10% difference in TS, whereas simultaneous samples from predators and nets produced ... to be independent to avoid interrelated estimates. For South Georgia, there is a 20-year time ... split year, i.e. 1993/94 = 1994) from carapaces in scat samples collected during the lactation period ... samples were collected during the same 5-10 day period as net samples in each year. Net samples of ... ). Year TSnet TSPred Difference (dB kg1) (dB kg-') ("/.l Table 2: The percentage difference in target ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 155–163 : Auteur(s): Reid, K. and A.S. Brierley

2. e-sc-xxvii-a12.pdf

   ... Peninsula region, for example. Regional sea-ice conditions over the past 30 years in this case have ... all of these processes. They can be modelled in part or together as functions. 1.25 Models of the ... ________________________________________________________________________________________ This document is produced in the official languages of the Commission: English, French ... .......................................................... 19 Future research priorities............................................................ 20 Key application/pdf attached to:CCAMLR-IWC-WS-08

   Meeting Report : CCAMLR-IWC-WS-08

3. Temporal variability and the interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island

   Adélie penguins at Béchervaise Island Abstract / Description:  Temporal variability in a series of CCAMLR ... output from the Automated Penguin Monitoring System (APMS), were also examined in terms of their ... examined for Adélie penguins over a period of 12 years. Data were collected from 1990/91 to 2001/02 at ... while other parameters, such as arrival counts and incubating nest counts, are more stable between years ... beginning of the year, the decline in condition of the females until egg laying, the decline in condition ... to 20, 15 and Emmerson et al. 79 Temporal variability and interrelationships in CEMP parameters ... 90 30 / 11 / 19 90 05 / 12 / 19 90 20 / 12 / 19 90 25 / 11 / 19 90 18 / 12 ... 97 30 / 11 / 19 97 03 / 12 / 19 97 20 / 12 / 19 97 21 / 11 / 19 97 20 / 12 ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 75–90 : Auteur(s): Emmerson, L.M., J. Clarke, K.R. Kerry and C. Southwell

4. Foraging behaviour of Antarctic fur seals during periods of contrasting prey abundance

   Abstract:  Published in Journal of Animal Ecology (1994) 63, 000-000 Author(s):  I.L. Boyd, J.P.Y ...

   Meeting Document : WG-CEMP-94/12 : Auteur(s): I.L. Boyd, J.P.Y. Arnould, T. Barton and J.P. Croxall (United Kingdom)

5. Information Note for WG-SAM-18

   WG-SAM meeting to be held in Norwich, UK, from 25 to 29 June 2018. Welcome to Norwich! …Where is ... says that “There is a church for every Sunday and a pub for every week day of the year in Norwich ... Norwich? Norwich is the main city in the county of Norfolk in the east of England (Figure 1), around 160 ... km to the northeast of London. It’s a place rich in history, full of picturesque cobbled streets ...

   Page : Site Section: Meetings

6. Multiple acoustic estimates of krill density at South Georgia during 2000/2001 reveal significant intra-annual and spatial variability

   that is consistent with observations from previous years, krill density in the western box mid-season ... around South Georgia in the 2000/2001 season: in October 2000 (early-season); during late December ... / early January 2000/2001 (mid-season), and in March 2001 (late-season). The surveys were the first in a ... newly-planned five-year series of observations designed to complement and extend an existing time series ...

   Meeting Document : WG-EMM-01/15 : Auteur(s): A.S. Brierley, C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst (United Kingdom)

7. Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari

   (Dissostichus eleginoides) in the 1994/95 season near Macquarie Island and Kerguelen Island. Longlining for D ... associated with longlining in the Kerguelen region were lower than those reported for the South Georgia area ... observed during the last 20 years (Woehler, in press) underlines the importance of quantifying the ... within a n d outside the CCAMLR area, and in recent years the D. eleginoides fishery h a s been t he ... for Patagonian toothfish (Dissostichus eleginoides) in the 1994/95 season near Macquarie Island and ... albatross species. Mortality rates associated with longlining in the Kerguelen region were lower than those ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Auteur(s): Williams, R. and D. Capdeville

8. The migration patterns of Electrona carlsbergi (Tåning, 1932)

   specimens in the Subantarctic zone, classified as a breeding area, decreases to 20-40%, while the number of ... sectors of Antarctica E. carlsbergi is represented by immature specimens 7 to 8 cm in length and 2 years ... mature specimens 8.5-11 cm in length and 3-5 years old increases. Based on the dynamic processes of the ... describes possible ways and means (mechanisms) by which this species carries out meridional migration in ...

   Meeting Document : WG-FSA-93/18 : Auteur(s): A.N. Kozlov (Russia)

9. Selecting sampling frequency for measuring diving behaviour

   seals: an increase in interval from 5s to 15s resulted in 20% of dives being unrecognised, a 38 ... marine animals to the point where very detailed studies of variation in diving behaviour and performance ... fur seals and southern elephant seals representative of the extremes of diving in pinnipeds. For both ... % increase in mean maximum dive depth, a 29% increase in mean dive duration and a 12% increase in duration of ...

   Meeting Document : WG-CEMP-93/14 : Auteur(s): I.L. Boyd (United Kingdom)

10. Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen

    off Kerguelen in 1999 were estimated by reading transverse-sectioned otoliths. Randomly interspersed ... showed discrepancies due to gear-specific catchability, or differences in the available population with ... depth or season. Age–length keys were constructed for use in assessing toothfish catches made by ... mortality Z was estimated to be between 0.09 and 0.12. Significant differences in age-at-length data between ... ge ( ye ar s) 0 10 20 30 40 50 Reference age (years) 0 10 20 30 40 50 E st im at ed a ... Estimated age (years) 0 10 20 30 40 50 T ot al le ng th ( cm ) 0 20 40 60 80 100 120 140 (a ... смертности Z по оценке лежит в диапазоне Ashford et al. 30 Introduction In contrast to early sealing ... , variability in ageing precision can mask year-class strength (Fournier and Archibald, 1982), undermining ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 29–41 : Auteur(s): Ashford, J., G. Duhamel, C. Jones and S. Bobko

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