Résultats de la recherche
-
Development of the krill stock in the elephant island region during the 1996/97 season
, indicating an average year for krill reprodution in this area, which is not the optimum starting point for a ... , representing age group 2+ and the year-class 1994/95 (proportional recruitment R2 = 0.85). The year-class 1995 ... Abstract: During December 1996 the Elephant Island standard grid was surveyed for krill and salps ... /96, the present juvenile age group 1 +, does not repeat the very successful recruitment of the ...
Meeting Document : WG-EMM-97/16 : Auteur(s): Siegel, V.
-
Spatial variability and power to detect regional-scale trends
Abstract: An important issue in regional-scale trend detection is the degree of concordance in ... trend between sites in relation to an average regional trend. If there is much or more variability ... precise methods of measurement and long time series of data. We used published data from repeated regional ... power for various multiple-site monitoring scenarios. Under the conservative, hypothetical scenarios we ...
Meeting Document : WG-EMM-03/47 : Auteur(s): C. Southwell and L. Emmerson (Australia)
-
A descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in the Ross Sea up to 2005/06
and 88.2 since 2001 is presented. The paper updates tag-release and tag-recapture data for fish that ... for non- New Zealand vessels for the first time. However, tag data were only available for all of ... these vessels for 2005 and for about half of these vessels for 2004. A reported total of 8888 Antarctic ... 20% of the recaptures could not be matched to a release observation, mainly because of missing ...
Meeting Document : WG-FSA-SAM-06/09 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
-
Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophris and D. chrysostoma at Bird Island, South Georgia
) decreased. Black-browed Albatrosses follow an annual breeding cycle, with over 80% of birds successful in ... Island, South Georgia for 17 consecutive years (1975-1991). Over this period almost all the Grey-headed ... Albatross colonies decreased, at an average rate of 1.8% per annum. Although the total Black-browed ... rearing a chick and 75% of those failing to do so returning to breed the next year, 5- 10% of both ...
Meeting Document : WG-CEMP-93/06 : Auteur(s): P.A. Prince, P. Rothery, J.P. Croxall and A.G. Wood (United Kingdom)
-
Population identity, site-fidelity, movement ranges and preliminary estimates of abundance of southern right whales in the Antarctic Indian sector inferred from genetic markers
’ and the ‘recapture’ ranged from 3-13 years with an average at 7.3 years. Preliminary application of a ... data for ecosystem modelling studies. Genetic analyses were conducted to investigate the population ... abundance based on ‘mark-recapture’ methods in the Antarctic Indian sector (i.e., between 80°-135°E and ... during fourteen summer surveys. The DNA was extracted from each biopsy sample, sequenced for 381 ...
Meeting Document : WG-EMM-18/18 : Auteur(s): L.A Pastene, M. Goto, P. Acuña, M. Taguchi, T. Hakamada and K. Matsuoka
-
Longterm monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
confirmed by the present analysis. Results are compared for one (R1) and two year old (R2) age classes ... the representativeness of the study area (60°- 62°30'S and 53°- 57°30 'W) for the ... Abstract: Krill distribution and density are reviewed for the Elephant Island area with regard to ... study using randomisation tests on an analysis of variance. Author(s): de la Mare, W., Loeb, V., Siegel ...
Meeting Document : WG-EMM-96/45 : Auteur(s): de la Mare, W., Loeb, V., Siegel, V.
-
Krill processing factors
(1980-82). Within these papers are the fundamentals of product yields and the framework for determining ... market prices for Krill Products. Yield Estimates from round (Whole) Krill are as follows from McElroy ... (1980-82): Whole Uncooked Krill- Frozen 100% Whole Cooked Krill-Frozen 90% Whole Uncooked Krill ... Centrifuged (Gutted) Frozen 80% Krill Mince-centrifuged 60% Krill Mince-Uncentrifuged 80% Krill Tail Meat 15 ...
Meeting Document : WG-EMM-01/44 : Auteur(s): D. Rogers (USA)
-
Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys
in EMM-15 that an analysis of historical cetacean surveys in IWC Area II could provide a context for ... . CPI, CPII and CPIII data in Subarea 48.1 corresponded to years 1982/83, 1989/90 and 1993/94+1999/00 ... of Antarctic sighting cruises for whale assessment purposes organized by the International Whaling ... observed in CPIII than in CPII while that Antarctic minke whale showed an inverse trend. These observations ...
Meeting Document : WG-EMM-16/26 : Auteur(s): L.A. Pastene and T. Hakamada
-
Entanglement of Antarctic fur seals in marine debris at Cape Shirreff and San Telmo Islets, Livingston Island, Antarctica: 1988–1997
biota, specially over individuals of A. gazella, and for this purpose we present as an annex to the ... document, a form for its completion by every Antarctic base, refuge, or camp present in the mentioned area ... results indicate that 45% of the entanglement material found in a total of 20 individuals (nine subadult ... entanglement reported for the South Georgia islands, where the most important longlining fishery in the ...
Meeting Document : SC-CAMLR-XVI/BG/33 : Auteur(s): Delegation of Chile
-
Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
estimate for 2004 was 2,680 t. Initial tests of length at age assumptions indicated that using a specified ... length at age vector that did not include growth beyond 15 years had only small effects on projected long ... , for Heard Island Plateau (Division 58.5.2) was done, using the standard CCAMLR methods, based on the ... of growth beyond this age at 58.5.2. Preliminary examinations of the effect of refinements to the ...
Meeting Document : WG-FSA-03/33 : Auteur(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)