Search results
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Distribution of mackerel icefish by size-group at South Georgia
into size groups representative of age-classes. Kruskal-Wallis tests on log-transformed median abundance ... representative of age-classes. Kruskal-Wallis tests on log-transformed median abundance (number of fish km ... increased. The size range of all year classes was contained within the sampling depth of the surveys ... year classes was contained within the sampling depth of the surveys. The results indicate that future ...
Meeting Document : WAMI-01/16 : Author(s): A.W. North and I. Everson (United Kingdom)
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Size variations associated with abundance changes in juvenile Notothenia rossii, observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area
rossii, in association with changes in the size and age structure of the juvenile population. Mean ... , in association with changes in the size and age structure of the juvenile population. Mean lengths increased ... year classes entered the cove. In comparison, Notothenia neglecta, a non commercially fished species ... in correlation with poor recruitment to inshore waters and sharply decreased as stronger year classes entered ...
Meeting Document : WG-FSA-93/13 : Author(s): E.R. Marschoff and E.R. Barrera-Oro (Argentina)
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Considerations on the design and evaluation of surveys for estimating recruitment of Patagonian toothfish (Dissostichus eleginoides) with preliminary outcomes for the Heard Island plateau region (Division 58.5.2)
strata provided for estimates of abundance of individual pre-recruitment age classes and total abundance ... for estimates of abundance of individual pre-recruitment age classes and total abundance for a range of levels ... levels of confidence in the estimates of abundance for all but the youngest year class. It is recommended ... in the estimates of abundance for all but the youngest year class. It is recommended that the implications ...
Meeting Document : WG-FSA-SAM-04/19 : Author(s): Candy, S., Constable, A.J., Davies, C.R.
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APPLICATION TO UNDERTAKE WINTER SCIENTIFIC RESEARCH IN CCAMLR SUBAREA 88.1 (SSRUS 88.1B, 88.1C AND 88.1G) IN THE 2008/09 SEASON
movements of mature D. mawsoni. The results of the research will lead to improved estimates of length/age ... movements of mature D. mawsoni. The results of the research will lead to improved estimates of length/age ... in CCAMLR SSRUs 88.1B, 88.1C and, ice permitting, 88.1G in 2008/09, as the first in a three year time series ... SSRUs 88.1B, 88.1C and, ice permitting, 88.1G in 2008/09, as the first in a three year time series ...
Meeting Document : WG-FSA-08/62 : Author(s): Delegation of New Zealand
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Preliminary results on the composition and abundance of the krill stock in the southern Bellingshausen Sea (Antarctic, CCAMLR Subarea 88.3)
in the East Wind Drift zone and larger ones further north under the influence of West Wind Drift waters ... zone and larger ones further north under the influence of West Wind Drift waters. The overall krill ... recruitment success of the 1992/93 year-class in the region (R1 = 0.076). Both results indicate large scale ... year-class will be poor. Author(s): Siegel, V. Title: Preliminary results on the composition ...
Meeting Document : WG-EMM-95/18 : Author(s): Siegel, V.
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Proposal for continuation of Australia’s research plan for exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions 58.4.1 and 58.4.2)
, tagging and aging, will be used to develop a stock assessment/s for Divisions 58.4.1 and 58.4.2 ... , tagging and aging, will be used to develop a stock assessment/s for Divisions 58.4.1 and 58.4.2 ... rules remain to be determined for these Divisions. The 2015/16 season was the first of a three-year ... to be determined for these Divisions. The 2015/16 season was the first of a three-year research plan which ...
Meeting Document : WG-SAM-16/09 : Author(s): Delegation of Australia
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By-catch in Australian fisheries in Divisions 58.5.2, 58.4.2 and 58.4.3 during the 2002/03 and 2003/04 fishing seasons
from 208 to 822 days. Growth rates estimated from recaptured skates were 20mm per/year in total length ... with periods at liberty ranging from 208 to 822 days. Growth rates estimated from recaptured skates were 20 ... mm per/year in total length, 21mm per year in disk width and 0.14 kg per year in weight. Recapture rates ... , 21mm per year in disk width and 0.14 kg per year in weight. Recapture rates were 2.5% for B. eatonii ...
Meeting Document : WG-FSA-04/68 : Author(s): E. van Wijk and R. Williams (Australia)
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The Generalised Yield Model version 5: structure, specifications and examples for validation
and/or age structure of the population obtained from surveys during a year. In addition, S-plus scripts have ... characteristics and presentation, and (ii) new features to allow specifying the starting biomass and/or age ... structure of the population obtained from surveys during a year. In addition, S-plus scripts have been ...
Meeting Document : WG-FSA-SAM 03/14 : Author(s): A. Constable (Australia)
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Identifying areas for monitoring studies
the existing ones. Last year, Argentina proposed the incorporation of Cierva Cove as a Reference area ... that complement the existing ones. Last year, Argentina proposed the incorporation of Cierva Cove as a Reference ...
Meeting Document : WG-EMM-14/61 Rev. 1 : Author(s): J. Arata and F. Baeza (Chile)
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Decline of Antarctic fur seal (Arctocephalus gazella) population at SSSI No. 32, South Shetlands, Antarctica, during 1997/98: a discussion of possible causes
diferentially counting sex and age categories to assess total population. We present the up to date logistic ... diferentially counting sex and age categories to assess total population. We present the up to date logistic ... year. We hipothesize that large scale fluctuations in physical oceanographic features (like the current ... than last year. We hipothesize that large scale fluctuations in physical oceanographic features (like ...
Meeting Document : WG-EMM-98/17 : Author(s): R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos (Chile)