Search results
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Physical forcing in the southwest Atlantic: ecosystem control
temperatures are known to vary both between seasons and between years. Time series analysis of sea surface ... in temperature anomalies at lag periods of approximately 3 to 4 years. Crosscorrelation analyses with temperature ... temperature fluctuations in the Pacific, with the Pacific leading South Georgia by approximately 3 years ... appear to be prior to the breeding season during the summer and early autumn of the preceding year. Thus ...
Meeting Document : WG-EMM-04/34 : Author(s): P.N. Trathan, E.J. Murphy, J. Forcada, J.P. Croxall, K. Reid and S.E. Thorpe (United Kingdom)
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Age and growth of Scotia Sea icefish Chaenocephalus aceratus (Lönnberg, 1906), from the South Shetland Islands
from different institutions. The age range was 1-17 years for females and 1- 15 years for males. Von ... of asymptotic length L??(cm) and K (year-1) were respectively 79.8 and 0.07 for females and 60.0 and 0.09 ... . Sexual maturity was attained by females and males at about 10 and 9 years old respectively, at about 60 ... institutions. The age range was 1-17 years for females and 1- 15 years for males. Von Bertalanffy growth curves ...
Meeting Document : WG-FSA-02/77 : Author(s): M. La Mesa, J. Ashford, E. Larson and M. Vacchi
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A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
estimated age was 14.3 years. Von Bertalanffy parameters derived for both sexes combined are: L, 22.1 cm SL ... ; K, 0.167 y-1; t 0,-0.4 years. Parameter estimates were also derived for the sexes separately. Female ... 6 to 9 years. Author(s): C.P. Sutton and P.L. Horn (New Zealand) Title: A preliminary assessment of age ... estimated age was 14.3 years. Von Bertalanffy parameters derived for both sexes combined are: L, 22.1 cm SL ...
Meeting Document : WG-FSA-10/20 : Author(s): C.P. Sutton and P.L. Horn (New Zealand)
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
) Le ng th (c m ) 10 20 30 40 50 1986/87 1987/88 1988/90 1989/90 1990/91 1991/97 1997/98 1998 ... - 08/30). Icefish may also be consumed by juvenile toothfish in years of high icefish abundance ... of recruitment of a strong 2+ year class to the survey and catches across the region were dominated by a single ... underestimates C. gunnari biomass (see WG-FSA-SAM-04/20). Trawl surveys 6. In January 2009 the UK ...
Document : Site Section: Publications
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Determination of a statistically based survey area suitable for hydroacoustic stock assessment of Euphausia superba in the Elephant Island, King George Island, Bransfield Strait area
of data from 1981, 1984 and 1978-1989 permitted resolution of inter-year differences in standing stock ... relatively uniform from year to year. Using only sub-area biomass leads to an ambiguous interpretation ... of the data as to whether high or law standing stock is due to low production (ie. "good" year vs ... . “bad” year) or differential effects of migration. Using the total of both sub-areas the survey area can ...
Meeting Document : SC-CAMLR-VIII/BG/32 : Author(s): Delegation of USA
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Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Division 58.4.1
.) are shaded. Throughout this report the CCAMLR fishing season is represented by the year in which ... that season ended, e.g. 2014 represents the 2013/14 CCAMLR fishing season (from 1 December 2013 to 30 ... tonnes in 2007, which exceeded the catch limit set for that year by 6%. The catch limit was again ... as there is no confidence in the amount and/or the location of those catches (SC-CAMLR- XXXIII, paragraph 3.68). Those years ... Description / Abstract: Fishery Report 2014: Exploratory fishery for Dissostichus spp. in ...
Document : Site Section: Publications
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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. Author ... activities undertaken by Australia in the Convention Area during the year to 30 June 1999. ...
Meeting Document : CCAMLR-XVIII/BG/31 : Author(s): Delegation of Australia
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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 ... activities undertaken by Australia in the Convention Area during the year to 30 June 1998. ...
Meeting Document : CCAMLR-XVII/BG/11 : Author(s): Delegation of Australia
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Spatio–temporal dynamics of Antarctic krill fishery: identification of fishing hotspots
is presenting consistent FH across years, particularly during those years when the precautionary catch limit ... of radius 25 km, and have a high catch density (>10 ton∙km-2) during years when the catch limit ... is reached. The analysis show that the krill fishing fleet is concurring to know fishing grounds year after ... year, where they obtain high catches, and that the catch density (ton∙km-2) inside the FHs ...
Meeting Document : WG-EMM-16/52 : Author(s): F. Santa Cruz, B. Ernst and J.A. Arata
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Conflict or co-existence? Foraging distribution and competition for prey between Adélie and chinstrap penguins
penguins were used to compare foraging distributions. In both years the diet of both species ... was exclusively Antarctic krill (Euphausia superba) of the same size range. In a year of low prey availability ... , however, in a year of normal resource availability (2001) there was no such segregation ... . There was a significant difference in the foraging areas used by Adélie penguins between years but not for chinstrap ...
Meeting Document : WG-EMM-02/15 : Author(s): A.S. Lynnes, K. Reid, J.P. Croxall and P.N. Trathan (United Kingdom)