Search results
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Krill biomass estimates for two survey boxes to the north east and north-west of South Georgia in January 1996: the beginning of a five-year monitoring program
Abstract: Acoustic surveys were carried out in January 1996 within two 100 x 80 km boxes located ... the first in a new five-year British Antarctic Survey programme initiated in part to monitor inter-annual ... surveys were of randomised design and each nominally constituted 10 randomly spaced parallel transects, 80 ... boxes to the north east and north-west of South Georgia in January 1996: the beginning of a five-year ...
Meeting Document : WG-EMM-96/18 : Author(s): Watkins, J.L., Murray, A.W.A., Brierley, A.S.
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Relationship between distribution of Antarctic krill (Euphausia superba) and environmental index MTEM-200 in the Antarctic Ocean throughout the year
and oceanographic conditions have been an age-old recurrent problem and many papers have been published ... been an age-old recurrent problem and many papers have been published on the subject since the British ... in the Antarctic Ocean throughout the year Approval: Approved ... MTEM-200 in the Antarctic Ocean throughout the year ...
Meeting Document : WG-EMM-08/32 : Author(s): M. Naganobu, T. Kitamura and K. Hasunuma (Japan)
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By-catch of juvenile Champsocephalus gunnari in krill fishery on the shelf of South Georgia Island
survived up to an age of one year. Author(s): G.A. Frolkina, V.I. Latogursky, V.A. Sushin (Russian ... to an age of one year. ... with published data. Juveniles of Champsocephalus gunnari were found to be distributed from the surface to 500 ... around South Georgia Is. Results of these survey were summarised and compared with published data ...
Meeting Document : WG-FSA-92/06 : Author(s): G.A. Frolkina, V.I. Latogursky, V.A. Sushin (Russian Federation)
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SEASONAL ESTIMATION OF ABUNDANCE BY BOOTSTRAPPING INEXACT RESEARCH DATA (SEABIRD): A METHOD FOR ASSESSING ABUNDANCE AND UNCERTAINTY FROM HISTORICAL COUNT DATA USING ADELIE PENGUINS AS A CASE STUDY
Abstract: In addition to a review of published studies on Adelie penguin abundance at breeding ... In addition to a review of published studies on Adelie penguin abundance at breeding sites ... model, utilising as input data published counts of Adelie penguins and estimates of their uncertainty ... as input data published counts of Adelie penguins and estimates of their uncertainty at breeding sites ...
Meeting Document : WG-EMM-PSW-08/11 : Author(s): J.P. McKinlay and C.J. Southwell (Australia)
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Stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1991/91 season, using virtual population analysis
situation to assessments in 1989/90 with a decrease in overall biomass and recruitment over recent years ... to assessments in 1989/90 with a decrease in overall biomass and recruitment over recent years. Potential TAC ...
Meeting Document : WG-FSA-91/15 : Author(s): G. Parkes (United Kingdom)
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Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric parameter?
functions are able to correctly determine the sex of birds with greater than 80% success the difference ... of knowledge about the sex ratio between years makes combining the data a very doubtful procedure and use ... are able to correctly determine the sex of birds with greater than 80% success the difference between ... ratio between years makes combining the data a very doubtful procedure and use of a discriminant ...
Meeting Document : WG-CEMP-92/11 : Author(s): D.J. Agnew (Secretariat)
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An examination of latitudinal variation in the growth rates of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
between 62.5° and 75° S. However, fish between the ages of 6 and 15 years in the southernmost zone (75–78 ... between 62.5° and 75° S. However, fish between the ages of 6 and 15 years in the southernmost zone (75–78 ... Abstract: Following a finding that a small sample of aged Dissostichus mawsoni from McMurdo Sound ... was conducted. Length-at-age of Dissostichus mawsoni was compared across five zones in a 15.5° latitudinal range ...
Meeting Document : WG-FSA-03/30 : Author(s): P.L. Horn (New Zealand)
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Preliminary results from a krill net sampling survey in CCAMLR Area 48.1 in 1989/90 season
and in nearshore waters of the SW shelf regions. Juvenile age group 1+ was almost absent from all samples ... waters of the SW shelf regions. Juvenile age group 1+ was almost absent from all samples, indicating ... , indicating a poor 1988/89 year-class. Author(s): Delegation of EEC Title: Preliminary results from a krill ... net sampling survey in CCAMLR Area 48.1 in 1989/90 season Approval: Approved ...
Meeting Document : SC-CAMLR-IX/BG/09 Rev. 1 : Author(s): Delegation of EEC
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Key considerations for planning a large-scale krill survey
Abstract: Article II of the Convention requires the Commission to maintain harvested populations ... for designing future surveys, subject to a review which should be the first task in preparing for a future ... Article II of the Convention requires the Commission to maintain harvested populations above levels ... future surveys, subject to a review which should be the first task in preparing for a future survey ...
Meeting Document : WG-EMM-15/27 : Author(s): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region for the years 1997–98 to 2014–15
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... catch, catch-at-age, and tag-recapture data from 1997–98 to 2014–15 and including the results from ... suggesting that recent tag-recapture and proportion-at-age observations were consistent with previous ... We provide an update of the Bayesian sex and age structured population stock assessment ...
Meeting Document : WG-FSA-15/38 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)