Search results
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The annual random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2012
skates was also taken in 2012. The catch of invertebrates in the 2012 survey, 4 t, was about half that of ... for coral, with a reported catch of 0.6 t, being significantly greater than the long term average (50 ... T. Lamb (Australia) Title: The annual random stratified trawl survey to estimate the abundance of ...
Meeting Document : WG-FSA-12/25 : Author(s): G.B. Nowara and T. Lamb (Australia)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
abundance (B0) for the preferred model were 80 510 t (95% C.I.s 59 920–119 920 t), and current (B2006 ... 3046 t. Author(s): A. Dunn and S.M Hanchet (New Zealand) Title: Assessment models for Antarctic ...
Meeting Document : WG-FSA-06/60 : Author(s): A. Dunn and S.M Hanchet (New Zealand)
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Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during 1990/91 austral summer
krill into this zone. The total biomass over the survey region was estimated to be 1.59 ± 0.45 million t ... (95% confidence limit), of which 1.22 ± 0.42 million t was concentrated in the fishing grounds (" ... formation of favorable spawning grounds for krill. Author(s): T. Ichii, H. Ishii and M. Naganobu (Japan ...
Meeting Document : WG-KRILL-92/26 : Author(s): T. Ichii, H. Ishii and M. Naganobu (Japan)
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Spatial and temporal distribution of krill Euphausia superba biomass in the Ross Sea (1989/90, 1994/95)
ice krill occurred mainly in scattered forms very close to surface. Aggregations of krill mainly ... , the whole investigated area was divided in rectangles of 1°x30'. The results of calculations indicate ... occurred mainly in scattered forms (as mentioned above) and when the environmental conditions are favorable ... the coherent forms of aggregation can be formed very quickly. During the 1989/'90 expedition hydroacoustic ...
Meeting Document : WG-EMM-97/53 : Author(s): Kalinowski, J., Azzali, M.
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ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CPUE DATA
this division is estimated as about 15000 t, while the estimate of virgin biomass B0 is found to be ... about 32000 t. Author(s): D. Vasilyev, K. Shust, V. Tatarnikov, I. Istomin and A. Petrov (Russia) Title ...
Meeting Document : WG-SAM-09/12 : Author(s): D. Vasilyev, K. Shust, V. Tatarnikov, I. Istomin and A. Petrov (Russia)
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Southern Ocean Network of Acoustics (SONA): Report on Acoustic Processing and Methods Workshop, Vigo, 24–25 April 2016
. Horne, T. Jarvis, R. Kloser and T. Ryan Title: Southern Ocean Network of Acoustics (SONA): Report on ...
Meeting Document : WG-EMM-16/36 : Author(s): S. Fielding, J. Thomas, C. Anderson, A. Conchon, A. Cossio, A. Dunford, P. Escobar-Flores, J. Horne, T. Jarvis, R. Kloser and T. Ryan
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2016 random stratified trawl survey
the population. These projections indicate that catches of 561 t in the 2016/17 season and 402 t in ...
Meeting Document : WG-FSA-16/26 : Author(s): D. Maschette and D. Welsford
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Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations
of each method of sampling krill, i.e. with nets (for historical time series, demographic information ... and live krill), acoustics (distribution, time series, biomass and swarm-scale information), the fishery ... (sustained sampling in one place and wide area and time coverage) and via predators (long time series ... . with nets (for historical time series, demographic information and live krill), acoustics (distribution ... series, demographic information and live krill), acoustics (distribution, time series, biomass and swarm ... ) and via predators (long time series, demographic indices). Each data source has caveats and more efforts ... on a small number of observations or time series. Thus, theories, hypotheses and conceptual models have ... m and this forms the depth boundary of the estimation volume, due to the concentrations (no. m–3) here being ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Author(s): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)
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WG-KRILL-90
Ocean C.H. Greene, S. McClatchie, P.H. Wiebe and T.K. Stanton (USA) WG-KRILL-90/30 Discussion ...
Meeting
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A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data
survey series that started in 2012 will provide a useful signal indicative of recruitment fluctuations ... as the time series develops, a signal which is not present in the fishery-dependent data. File: 07 Mormede et ... suggested that a sub-adult survey series that started in 2012 will provide a useful signal indicative ... of recruitment fluctuations as the time series develops, a signal which is not present in the fishery-dependent ... regarding cryptic biomass of older fish. Results also suggested that a sub-adult survey series that started ... in 2012 will provide a useful signal indicative of recruitment fluctuations as the time series develops ... practice for stocks where a time series of catch and age compo- sition is available. However, catch ... as indices of abundance (Harley et al., 2001), particularly in developing fisheries with short time series ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Author(s): Mormede, S., A. Dunn and S.M. Hanchet