Résultats de la recherche

1. Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophris and D. chrysostoma at Bird Island, South Georgia

   categories delaying one further year (even when still paired). Grey-headed Albatrosses are essentially ... ) decreased. Black-browed Albatrosses follow an annual breeding cycle, with over 80% of birds successful in ... rearing a chick and 75% of those failing to do so returning to breed the next year, 5-10% of both ... Island, South Georgia for 17 consecutive years (1975-1991). Over this period almost all the Grey-headed ...

   Meeting Document : SC-CAMLR-XII/BG/21 : Auteur(s): Delegation of United Kingdom

2. Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)

   . Weighted Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1996/97 1997/98 1998 ... season Set so that status of the stock is determined at the end of each year 30 Nov–30 Nov ... 80 0 465 20 120 5 50 2003/04 6 150 0 80 1 360 3 120 1 50 2004/05 34 150 0 80 0 360 5 120 3 50 2005 ... cohort corresponding to age-1+ fish. It is evident that this year class now dominates the population ...

   Document : Site Section: Publications

3. New data on spawning, hatching and growth of the Kerguelen Islands Champsocephalus gunnari shelf stock

   Abstract:  Combined studies on the inner shelf and outer shelf of the Kerguelen islands (1989/90 ... programme allows to identify each year, both from the ichthyoplanktonic surveys and bottom trawlings, an ... annual cohort. Strong differences in abundance of larvae are observed yearly. One cohort seems dominant ... in the samples along the study. It would explain the previouly observed three years cycle. Spawners ...

   Meeting Document : WG-FSA-94/9 Rev. 1 : Auteur(s): G. Duhamel (France)

4. KRILL DENSITY ESTIMATES IN CCAMLR SUBAREA 48.6 BASED ON ACOUSTIC DATA COLLECTED DURING JANUARY–MARCH 2008

   continuously on six frequencies along one west-east and two south-north transects between latitudes 50 and 66.4 ... distributed. The majority of the detected krill was distributed between 40 and 80 m depth, and approximately ... S in the sparsely studied CCAMLR subarea 48.6. The mean density of Antarctic krill, integrated to ... 14 % was distributed within a 100 x 100 km core area centered around the Bouvetøya. Author(s):  G ...

   Meeting Document : WG-EMM-09/45 : Auteur(s): G. Skaret, B.A. Krafft and R. Korneliussen (Norway)

5. Aerobic dive limit: how often does it occur in nature?

   animal is it’s aerobic dive limit (ADL). The ADL has only been measured in a few species. The goal of ... , deeper diving females made longer dives that approached or exceeded the cADL (P Author(s):  D.P. Costa ...

   Meeting Document : WG-EMM-00/48 : Auteur(s): D.P. Costa, N.J. Gales and M.E. Goebel (USA)

6. Modelling variability and estimating power to detect change in Adélie penguin fledgling weights

   year, but there was no evidence that the rate of decline differed between years. A consequence of this ... statistical models were developed from first principles and incorporated both within- and between-year ... at a single time each year, without substantial loss of power to detect change. Further modelling ... the number of birds weighed in each five-day period from 50 to 30 without substantial loss of power ... than 30 birds each year. This is the case for both one- and two-tailed tests with a power greater ... birds, or (c) 30 birds each year. Change detected for three to five years of monitoring after change ... breeding seasons (1990/91 to 2001/02) which com- mence in October of one year and finish in late March of ... variance of ˆ xM is a function of two variance components, the between-year variance ( 2Sσ ), and the ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Auteur(s): Emmerson, L.M., C. Southwell and J. Clarke

7. Volume 13: CCAMLR. 2001. Statistical Bulletin, Vol. 13 (1991–2000). CCAMLR, Hobart, Australia.

   from 1 July to 30 June of the following year (e.g. the split-year 1990/91 started on 1 July 1990 and ... Statistical Bulletin covers data for the 10 years from 1 July 1990 to 30 June 2000. Figures in Section D ... ended on 30 June 1991). The abbreviated notation for split-years used in the title and figures refers ... Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) has as one of its functions ...

   Document : Site Section: Publications

8. Volume 14: CCAMLR. 2002. Statistical Bulletin, Vol. 14 (1992–2001). CCAMLR, Hobart, Australia.

   -year from 1 July to 30 June ofthe following year (e.g. the split-year 1991192 started on 1 July 1991 ... of the Statistical Bulletin covers data for the lO years from 1 July 1991 to 30 June 2001. Figures ... and ended on 30 June 1992). The abbreviated notation for split-years used in the title and figures ... Volume The Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) has as one ...

   Document : Site Section: Publications

9. Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophris and D. chrysostoma at Bird Island, South Georgia

   categories delaying one further year (even when still paired). Grey-headed Albatrosses are essentially ... ) decreased. Black-browed Albatrosses follow an annual breeding cycle, with over 80% of birds successful in ... rearing a chick and 75% of those failing to do so returning to breed the next year, 5- 10% of both ... Island, South Georgia for 17 consecutive years (1975-1991). Over this period almost all the Grey-headed ...

   Meeting Document : WG-CEMP-93/06 : Auteur(s): P.A. Prince, P. Rothery, J.P. Croxall and A.G. Wood (United Kingdom)

10. Growth per molt of male snow crab Chionoecetes opilio from Conception and Bonavista Bays, Newfoundland

    that 20 of these had molted once while the remainder molted twice. Two lines of evidence support this ... Abstract:  Over 6000 male snow crabs were tagged during a 6-year period in Conception Bay ... , Newfoundland, in order to estimate the increase in size at the time of molting. Ninety-two animals were ... predicted the size after two molts in close agreement with a regression line fitted to data on double ...

    Meeting Document : WS-CRAB-93/12 : Auteur(s): D.M. Taylor and J.M. Hoenig (USA)

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