Search results
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Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea
of these a second time, with the two readings being five months apart. Reader 1’s first reading was сравнению ... is usually higher than 10% (Campana, 2001). There was no apparent bias between the two readings of reader ... by the presence of between-reader bias (see Campana, 2001). Both readers obtained similar age estimates ... growth curves with those for other skates from New Zealand (Francis et al., 2001), the Falkland Islands ... been generated that suggest much slower growth, greater ages-at-maturity (about 20 years compared with ... georgiana in the Ross Sea suggested that these skates initially grow very rapidly for about five years ... and growth in A. georgiana that is radically different from the published interpretation is presented ... 6–11 years) and greater maximum ages (28–37 years compared with 14 years). Several pieces of ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Author(s): Francis, M.P. and M.J. Gallagher
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Investigation of the sensitivity of the Ross Sea toothfish assessment to withholding subsets of the available data
the effect of not updating an assessment every year, and also the evolution of stock assessments with ... that were used to set the precautionary yields for each fishery in 2009. The change in the biomass ... estimated by the models arising from withholding data was found to be highest in the earlier years of stock ... years, the change in estimated biomass arising from withholding data was much smaller, with values ...
Meeting Document : WG-SAM-11/17 : Author(s): S. Mormede (New Zealand)
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Revised research plan for the exploratory fisheries for Dissostichus spp. in Subarea 48.6 in 2014/15
reference area sizes. The stock size estimate using the Petersen estimator was similar to that using the ... ) were relatively consistent with the observed numbers for D. mawsoni in the block 486_2 for 2012/13 and ... limit, we propose to continue the current research operation for at least 3 years with the same sample ... procedure recommended at the last WG-FSA meeting. The results of calculations were generally consistent with ...
Meeting Document : WG-FSA-14/17 : Author(s): Delegation of Japan
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Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Division 58.4.3a
agreed on four exploratory fisheries for Dissostichus spp. in this region in 2001: exploratory trawl ... ). 2. In 2001, the boundaries of Division 58.4.3 were rearranged on the basis of ecological considerations ... were defined in CM 33-03. The fishing season was from 1 May to 31 August 2012. Fishing was permitted ... Season 1 May to 31 August, with fishing permitted outside the prescribed season provided that each ...
Document : Site Section: Publications
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UK: 48.3 Assessment Summary
#After correction for depredation since 2004 years 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 ... parameters. Both catch selectivities end up being estimated as very close to flat-topped, so no obvious ... years 1998 1999 2000 2001 2002 2003 step 2 ogive SelSGS2 proportion_mortality ... 0.5 1998 291.357 1999 353.9203 2000 404.16 2001 364.5833 2002 367.8804 2003 437.5982 cv_1998 ...
Document : Site Section: Meetings
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Progress report for the third year of the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2013–2015.
: Progress report for the third year of the research fishery for Dissostichus spp. in Subarea 48.6 being ... being jointly undertaken by Japan and South Africa: 2013–2015. ...
Meeting Document : WG-SAM-15/50 : Author(s): R.W. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
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RESPONSE OF ANTARCTIC BENTHIC COMMUNITIES TO DISTURBANCE: WRST RESULTS FROM THE ARTIWCIAL BENTHIC DISTURBANCE EXPERIMENT ON THE EASTERN WEDDELL SEA SHELF, ANTARCTICA
in the composition of the fish fauna, with Trematomus pennelli and T. hansoni being dominant at disturbed sites ... in the composition of the fish fauna, with Trematomus pennelli and T. hansoni being dominant at disturbed sites ...
Meeting Document : WS-VME-09/P05 : Author(s): Rossi, S., Mintenbeck, K., Knust, R., Isla, E., Gerdes, D.
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Acoustic and catch data collected by the fleet – relevance for feedback management
and during the seasons. Diel migration, with krill being distributed close to surface at night and at deeper ... and during the seasons. Diel migration, with krill being distributed close to surface at night and at deeper ...
Meeting Document : WG-EMM-15/13 : Author(s): O.R. Godø, T. Klevjer and G. Skaret (Norway)
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New Zealand: Review of the Ross Sea region stock assessment
Total 90 2 092 202 47 500 2 931 WG-FSA-15/37 Tag movement / mixing 21 Time at Size class (cm ... 2015 2016 2017 Total 2001 259 1 1 0 0 0 1 1 1 0 0 1 0 0 0 0 0 6 2002 683 2 9 4 9 9 13 ... profile Bad ice years: 2001, 2008, 2015 Results 48 Fits to tags Residual pattern a function ...
Document : Site Section: Meetings
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IMPLEMENTATION OF THE SYSTEM OF INSPECTION AND OTHER CCAMLR COMPLIANCE-RELATED MEASURES IN 2009/10
collated by the Secretariat in CCAMLR-XXIX/21. Information from observer reports on vessels039 ...
Meeting Document : CCAMLR-XXIX/BG/07 : Author(s): Secretariat