Résultats de la recherche
-
Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area
known) and the net recruitment rate to the stock in each year implied by the age data. The catch at ... age classes would lead to underestimation of the strength of year classes recruited before the start ... of the fishery compared to later year classes. However, in selecting an age-specific natural ... coefficient of natural mortality of 0.2 per year up to age 8 is assumed, this implies the schedules given in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Auteur(s): Cooke, J.G.
-
Report on assessment and avoidance of incidental mortality in the Convention Area 1998/99
and related activities undertaken by Australia in the Convention Area during the year to 30 June 1999 ...
Meeting Document : CCAMLR-XVIII/BG/31 : Auteur(s): Delegation of Australia
-
Report on the assessment and avoidance of incidental mortality in the Convention Area 1997/98
related activities undertaken by Australia in the Convention Area during the year to 30 June 1998. Author ...
Meeting Document : CCAMLR-XVII/BG/11 : Auteur(s): Delegation of Australia
-
Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean
standard haul duration was 30 minutes fishing time. However, owing to the rough nature of the ground ... Conformal Scale 1 : 20 000 000 Standard Parallels: 52-33' and 53"33' Central Meridian 74"E 0 500 l000 km ... females. Vopr. Ikhtiol., 20: 954-956. MacPherson, E. 1979. Ecological overlap between macrourids in ... occurrence of larval and juvenile stages of rat tail fishes (Family Macrouridae) from 60°N, 20°W and 53"N ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 171–178 : Auteur(s): van Wijk, E.M., A.J. Constable, R. Williams and T. Lamb
-
Modifications to the Generalised Yield Model in 2004, version GYM501E.EXE
fish at the nominated ‘recruitment age’ (age 4 for toothfish) in each year. The first year in the time ... . This was coded specifically for the case of surveys observing fish of ages one year younger than the ... the first year remains unaltered and correct. A new version, GYM501E.EXE, and installation software ... error does not affect the assessments undertaken in recent years. This paper presents the nature of the ...
Meeting Document : WG-FSA-04/91 : Auteur(s): A.J. Constable (Australia)
-
Interannual variability of polynya extent in the Antarctic Ocean
are trending like a pulse wave. In the whole Antarctic Ocean, peak years of polynyas extent are in the ... 1981/82 (from July 1981 to June 1982), 1991/92 and 1995/96. In the Antarctic Peninsula area, peak years ...
Meeting Document : WG-EMM-01/34 : Auteur(s): M. Naganobu and K. Segawa (Japan)
-
Sea surface temerature anomalies near South Georgia: relationships with the South Atlantic and the Pacific El Niño regions
autocorrelation was also evident at a lag period of 1 year; though this was restricted to an area that ... anomalies, with periodicity evident at a lag period of 4 years. To the north of the island significant ... almost 3 years, and with the West Pacific showing the strongest correlations. These global ...
Meeting Document : WS-AREA 48-98/10 : Auteur(s): P. Trathan and E.J. Murphy (UK)
-
Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in trammel net catches at Potter Cove, South Shetland Islands
has continued in Potter Cove from 1991 to 1998, covering a continuous sampling period of 15 years and ... . rossii and G. gibberifrons in the last 15 years is the effect of the offshore commercial fishery in the ...
Meeting Document : WG-FSA-98/57 : Auteur(s): E. Barrera-Oro, E.R. Marschoff and R.J. Casaux (Argentina)
-
Management of C. gunnari in Subarea 48.3
fishing, under conditions where M is assumed to be highly variable from year to year. Author(s): Kirkwood ... increased consumption of icefish by Antarctic fur seals in years of poor krill availability. Thus natural ... mortality of icefish may, in some years, increase by a large factor (assumed here to be 4) declining to ...
Meeting Document : WG-FSA-97/38 : Auteur(s): Kirkwood, G.P., Parkes, G.B., Everson, I., Agnew, D.J.
-
Recruitment of Antarctic krill (Euphausia superba) and possible causes for its variability
Abstract: Between year variability of krill year class success and recruitment during the 1977 ... = 0.210. Good recruitment was observed for the 1980/81, 1985/86, 1987/88, and 1990/91 year classes ... ; exceedingly poor recruitment occurred for the 1976/77, 1982/83, 1983/84, 1988/89, 1991/92 and 1992/93 year ... environmental data indicate that good and poor year class success are directly and indirectly related to sea ice ...
Meeting Document : WG-EMM-95/15 : Auteur(s): Siegel, V., Loeb, V.