Résultats de la recherche

1. A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   rest of the year, these species spend much of their time foraging in the ocean, but continue to haul ... ), south Indian Ocean (20°E–90°E) and Weddell Sea (20°E–60°W)). The haul-out model developed for ... might have been conservative and had further speculated that a population of 30–40 million crabeater ... Antarctic pack-ice in one year, but the resulting spatial coverage of the coordinated APIS program was ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Auteur(s): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan

2. Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2005/06

   the previous season and was slightly higher than the previous eight year mean. Gentoo penguin fledge ... weights increased slightly from the 2004-05 season and were close to the previous eight year mean. Both ... which were 51-55mm in length. This is a continuation of a four year trend with increasing proportions of ... previous season and is the third lowest population size in the 10 years of census data. The chinstrap ...

   Meeting Document : WG-EMM-06/P1 : Auteur(s): E.S.W. Leung, R.A. Orben and W.Z. Trivelpiece (USA)

3. CEMP Sites

   in Princess Elizabeth Land. Data typically submitted one year following season due to access via ... . Located in Princess Elizabeth Land. Data typically submitted one year following season due to access via ... Georgia. The British research station was established in 1957 and has been in year-round operation since ... , Republic of Cape Hallett (Subarea 88.1) was designated a CEMP site in 2018, with monitoring efforts ...

   Page : Site Section: Science

4. Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region

   whitsoni (Regan, 1913) until samples collected on New Zealand’s International Polar Year Census of ... ), diet and trophic position (Pinkerton et CCAMLR Science, Vol. 20 (2013): 37–61 37 DIstrIbutIon ... and weighed them, and then returned whole fish frozen below –20°C to the laboratory for analysis ... about 20% heavier for a given length than M. whitsoni. Length of intestine The length of intestines ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Auteur(s): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown

5. Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2003–2004

   gentoo breeding population increased slightly from last year, it is at its second lowest size in the past ... was greater than in 2002-03, and was either similar to or greater than the seven-year mean, depending ... on methodology used. Fledging weights of both species increased from last year, but were below the ... eight-year mean for this parameter. Total chick meal mass was larger in both species compared to the ...

   Meeting Document : WG-EMM-04/5 : Auteur(s): M. Antolos, A.K. Miller and W.Z. Trivelpiece (USA)

6. Parameters for a model of the functional relationships between krill escapement and crabeater seal demographic performance

   sexual maturity was estimated to be 3.8 years. Of 44 annual estimates of historical cohort strength, 16 ... were judged to represent “ good" years for demographic performance, 18 as "poor" years ... , and 10 as "bad" years. Author(s):  P.L. Boveng and J.L. Bengtson (USA) Title:  Parameters ...

   Meeting Document : WG-CEMP-93/04 : Auteur(s): P.L. Boveng and J.L. Bengtson (USA)

7. Fishery Report: Dissostichus eleginoides Kerguelen Islands (Division 58.5.1)

   report is the CCAMLR season (1 December to 30 November of the following year). 60°E 65°E 70°E 75°E 80 ... the year. 1 Although the fishing season defined by ... France in its EEZ extends from 1 September to 31 August of the following year, the season used in this ... spawning is restricted to the westerly zone early in winter each year (Lord et al., 2006). Tagging ...

   Document : Site Section: Publications

8. Detection and quantitative estimation of krill concentrations by hydroacoustic instruments

   transmitter frequency. Thus, echo sounders operating at comparatively low frequencies (20-30 kHz) are much ... . At certain times of the year, krill aggregations stay close to the surface during daylight hours ... of krill must depend strongly on frequency, especially at comparatively low frequencies (20-40 ... solving the problem of detecting surface krill concentrations, which at certain times of the year are ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 123-139 : Auteur(s): Yudanov, K.I.

9. Interannual variability of krill, salp and other zooplankton populations in the South Shetland Island area during Austral summer 1993–1998

   ". The 4-5 year periodicity of "salp years" over the past fifteen years is discussed with ... during the 1993 "salp year". The magnitude of this salp bloom may have resulted from a large ... recruitment from the past two years. Unusually small juvenile krill in 1998 suggested that survival success ... regimes identified here as "cope pod years", "salp years" and "transition periods ...

   Meeting Document : WG-EMM-98/50 : Auteur(s): V. Loeb, W. Armstrong, R. Hewitt (USA) and V. Siegel (Germany)

10. Estimates of the tag loss rates for single and double tagged toothfish (Dissostichus mawsoni) fishery in the Ross Sea

    tagged fish having at least one tag remaining after one year at liberty; 98.9% after two years at liberty ... (95% C.I.s 0.027–0.052) tags per year. For double tagged fish this corresponds to 99.5% of double ... that the impact on the assessment of ignoring tag recapture data after a six year period was to ... ; declining to 94.6% after six years; and to 88.4% after ten years. Comparison of the different loss rate ...

    Meeting Document : WG-SAM-11/18 : Auteur(s): A. Dunn, M.H. Smith (New Zealand), D.J. Agnew (UK) and S. Mormede (New Zealand)

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