Search results
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Oceanography of the South Georgia and South Orkney Islands regions using high-resolution models
. The models have been used to generate 20-year hindcast time series of oceanographic flows and water mass ... to generate 20-year hindcast time series of oceanographic flows and water mass properties. This valuable ...
Meeting Document : WG-EMM-17/30 : Author(s): E. Young, E. Murphy and P. Trathan
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Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution – a project update
relevant to the krill fishery and predators. Preliminary analysis of a 20-year time series of simulated ... to the krill fishery and predators. Preliminary analysis of a 20-year time series of simulated transport ...
Meeting Document : WG-EMM-18/06 : Author(s): S.E. Thorpe, E.F. Young, E.J. Murphy, O.R. Godø and A.H.H. Renner
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2006/07 season
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... –B), using revised catch, catch-at-age, and tag-recapture data for the 2007 season. The updated reference ... We provide an update of the Bayesian sex and age structured population stock assessment model ... catch, catch-at-age, and tag-recapture data for the 2007 season. The updated reference model resulted ...
Meeting Document : WG-FSA-07/37 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)
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Preliminary assessment of Patagonian toothfish in Subarea 48.3
and to catch at age observations and achieves this by assuming a different selection pattern ... the catch at age data. MCMC diagnostics and trace plot indicate poorer results than for previous assessments ... at age observations and achieves this by assuming a different selection pattern for the intermediate ... the catch at age data. MCMC diagnostics and trace plot indicate poorer results than for previous ...
Meeting Document : WG-FSA-13/30 : Author(s): R. Scott (United Kingdom)
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RAPID WARMING OF THE OCEAN AROUND SOUTH GEORGIA,SOUTHERN OCEAN, DURING THE 20TH CENTURY: FORCINGS, CHARACTERISTICS AND IMPLICATIONS FOR LOWER TROPHIC LEVELS
of the 20th century but there are few locations with data before the 1950s. In addition, assessments of change ... century, and we here consider almost year-round data from this location over an 81-year period (1925 ... to 2006). Based on these data, we observe significant warming between the early and late 20th century ... , with differential warming between summer and winter months and an indication that late 20th century summer ...
Meeting Document : WG-EMM-08/P03 : Author(s): M.J. Whitehouse, M.P. Meredith, P. Rothery, A. Atkinson, P. Ward and R.E. Korb
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Shedding new light on the life cycle of mackerel icefish in the Southern Ocean
in the north mature one year earlier than in the south. They have a much shorter life span and die after ... one year earlier than in the south. They have a much shorter life span and die after they have spawned ...
Meeting Document : WG-EMM-03/4 : Author(s): K.-H. Kock (Germany) and I. Everson (United Kingdom)
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On the status of mesopelagic fish (myctophidae) in the Southern Ocean ecosystem
is presented, based on general patterns of energy transformation from one trophic level to the next. Author ... is presented, based on general patterns of energy transformation from one trophic level to the next. ... birds and mammals). The large deepwater squid Mesonychoteuthis hamiltoni each year consumes ... birds and mammals). The large deepwater squid Mesonychoteuthis hamiltoni each year consumes ...
Meeting Document : WG-FSA-93/17 : Author(s): A.N. Kozlov (Russia)
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Some comments on the procedure for testing estimators of krill abundance which utilise survey data
patterns, which are compatible with existing information on the distributions from surveys. "Two-level ... are then located at random within the survey area. These "two-level" models provide an encouraging ... , which are compatible with existing information on the distributions from surveys. "Two-level" models ... at random within the survey area. These "two-level" models provide an encouraging improvement in fits ...
Meeting Document : WG-KRILL-91/21 : Author(s): D.S. Butterworth, D.L. Borchers and D.G.M. Miller (South Africa)
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Krill caught by predators and nets revisited: interpreting prey selection in proper temporal–spatial scales
and predator diet sampling. Comparisons of these two methods show broadly coherent results but also frequently ... for the two data sets are approximated as close as possible we found no difference in krill length frequency ... and predator diet sampling. Comparisons of these two methods show broadly coherent results but also frequently ... for the two data sets are approximated as close as possible we found no difference in krill length frequency ...
Meeting Document : WG-EMM-04/49 : Author(s): M.E. Goebel, V. Loeb, D.P. Costa, S.N. Sexton, A.R. Banks, J.D. Lipsky and A.C. Allen (USA)
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Representative length and age distributions from random stratified demersal fish surveys
as an example. Author(s): G. Parkes (United Kingdom) Title: Representative length and age distributions from ... Representative length and age distributions from random stratified demersal fish surveys ... Abstract: Two similar methods for preparing aggregate length frequency distributions from survey ... Two similar methods for preparing aggregate length frequency distributions from survey data ...
Meeting Document : WG-FSA-91/19 : Author(s): G. Parkes (United Kingdom)