Résultats de la recherche

1. At-sea distribution and prey selection of Antarctic petrels and commercial fisheries

   breeding thousands of kilometers away.  Author(s):  S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R ... the ones breeding far away and that disperse during the non- overlap between the distribution of the ... Antarctic petrels was limited but varied greatly among and within years, and was high in some periods during ... . Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe Title:  At-sea ...

   Meeting Document : WG-EMM-16/P15 : Auteur(s): S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R. Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe

2. On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model

   split of the overall density dependence effect between the first year and following sub-adult years of ... Abstract:  The krill-predators model is generalised by splitting post-first-year animals into ... adults and sub-adults, with different survival rates for these two groups. Broadly speaking, the sub ... . This solution brings with it new problems, however, in that two further parameters need to be specified ...

   Meeting Document : WG-EMM-95/39 : Auteur(s): Butterworth, D.S., Thomson, R.B.

3. Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)

   South shelf North South break South shelf 100 90 80 70 60 50 40 30 20 10 0 North South break ... explanations. One possibility is two (or more) distinct recruited cohorts, spawning at different periods in ... two identifiable spawning fish, that spawning females have high GSI values (in the range of 20 and ... with a 30 cm range over maturity (i.e. 85–115 cm TL). This equates to 50% maturity at about age 9. As ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Auteur(s): Fenaughty, J.M

4. WG-EMM-12

   (Euphausia superba) biomass off East Antarctica (30–80°E) in January–March 2006 M.J. Cox and S. Kawaguchi ... (United Kingdom) WG-EMM-12/16 Two decades of variability in krill predators at Bird Island, South Georgia ... . Hill and M. Cannon (United Kingdom) WG-EMM-12/20 Rev. 1 Towards a strategic framework for assessing ... . Wakeford (United Kingdom) WG-EMM-12/30 Operations of Chilean vessel Betanzos fishing Antarctic krill ...

   Meeting

5. Preliminary standardised CPUE analysis of the New Zealand toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02

   Subarea 88.1 for five seasons, from 1997 to 2002. Two analyses are presented. The first (all-ground ... ), and included a number of areas that had been fished for only one season. The second (main-ground ... ) analysis reviewed CPUE from the two main vessels involved in the fishery, and reviewed their catch from the ... data variability, because it excludes fishing grounds that were fished for only one season. Annual ...

   Meeting Document : WG-FSA-02/41 : Auteur(s): R.G. Blackwell and S.M. Hanchet (New Zealand)

6. Method of age determination for Antarctic toothfish (Dissostichus mawsoni)

   , 1982; Penttilla, Dery, 1988). According to the method, otolith is broken into two parts across the core ... .  All in all 6009 specimens of toothfish were aged using the same above described method. Otoliths were ... the used method is appropriate for mass age determination for toothfish. Author(s):  E.N. Kyznetsova ... December 2004 to March 2005 on the longliner “Volna”.  Age was determined for 364 individuals. Currently ...

   Meeting Document : WG-SAM-12/18 : Auteur(s): E.N. Kyznetsova, A.F. Petrov and V.A. Bizikov (Russia)

7. An examination of variance and sample size for female Antarctic fur seal trip durations

   sample size in detecting differences between two years of fur seal trip duration data. Female foraging ... trip duration for the first six trips to sea for 1997/98 (n = 30) and 1998/99 (n = 31) at Cape Shirreff ... , Livingston Island was used to calculate minimum sample sizes necessary to detect differences from year to ... year. A bootstrap function was used to examine the effect of sample size on variance. Currently CCAMLR ...

   Meeting Document : WG-EMM-99/45 : Auteur(s): M.E. Goebel (USA)

8. Surveys of breeding penguins and other seabirds in the South Shetland Islands, Antarctica, January-February 1987*

   to have been about 40% overall increase in the chinstrap population in the last 20-30 years, about ... Memorandum NMFS Antarctic Marine Living Resources Program (AMLR)) File:  20-Shuford-and-Spear.pdf ... a jugula ire ait augmente globalement d'a peu pres 40% au cours des dernieres 20-30 annees ... 20-30 anos, aproximadamente tres cuartas partes de la diferencia entre nuestros recuentos y los ... rro rrpeAblAYlI\l1M OlleHKaM. XOTH, KaK Ka)KeTCH, 3a rrOCJIeAHl1e 20-30 JIeT o611\ee KOJII1QeCTBO ... -30 years, about three-fourths of the difference between our counts and previous ones is due to more ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 449-451 : Auteur(s): Shuford, W.D. and L.B. Spear

9. Demography and population trends of the Atlantic yellow-nosed albatross

   two study colonies on Gough Island and Tristan da Cunha for 20 years. Annual variation in the number ... of breeding birds was strongly correlated between the two islands, and over the whole study period ... both study populations have trended downward at around 1.2% per year. The number of established ... success (67–69%) and breeding frequency (66–65%) were very similar on the two islands. On Gough Island ...

   Meeting Document : WG-FSA-03/37 : Auteur(s): R. Cuthbert (United Kingdom), P.G. Ryan, J. Cooper (South Africa) and G. Hilton (United Kingdom)

10. An overview of a large ecosystem survey of the southwest Indian Ocean sector of the Southern Ocean (CCAMLR Division 58.4.2)

    Division 58.4.2 (the South West Indian Ocean Sector of the Southern Ocean 30-80°E) in January-March 2006 ... transects, between 30° and 80°E. On each transect a range of underway data were obtained and on six ... being prepared for a special Issue of Deep-Sea Research for publication in 2008. Author(s):  S. Nicol, S ... . Kawaguchi, T. Jarvis, G. Williams, N. Bindoff, D. Thiele (Australia), J. Schwarz (Germany), A. Davidson, S ...

    Meeting Document : WG-EMM-06/15 : Auteur(s): S. Nicol, S. Kawaguchi, T. Jarvis, G. Williams, N. Bindoff, D. Thiele (Australia), J. Schwarz (Germany), A. Davidson, S. Wright, J. Gedamke and P. Thompson (Australia)

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