Search results
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Revision of biological and population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a comprehensive survey of fishing grounds and recruitment areas in the region
at South Georgia. This raises questions as to the appropriateness of the current range of natural mortality ... that the variability of recruitment at Heard Island is much greater than originally estimated and that, in recent years ... important area for 7 to 8 year old fish in the Heard Island region. Careful thought will need to be given ... to how best to manage a stock that aggregates in this manner while still juvenile and with some years ...
Meeting Document : WG-FSA-99/68 : Author(s): A.J. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
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Krill fishery information
season for krill began on 1 December 2000 and ends on 30 November 2001. The total krill catch reported ... on 1 December 2000 and ends on 30 November 2001. The total krill catch reported to date (17 June 2001 ...
Meeting Document : WG-EMM-01/7 : Author(s): Secretariat
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Summary of the Dissostichus eleginoides fishery in Subarea 48.3 in the 1993/94 season
in 4 of the 5 experimental areas. CPUE for 1994 appears similar to that from previous years except for Chilean vessels ... in 4 of the 5 experimental areas. CPUE for 1994 appears similar to that from previous years except for Chilean vessels. ...
Meeting Document : WG-FSA-94/20 : Author(s): D.J. Agnew (Secretariat)
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Updated assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet Islands (Subarea 58.6)
of input data from the more recent years (up to 2015/16 season) and a reassessment of stocks taking ... data from the more recent years (up to 2015/16 season) and a reassessment of stocks taking into account ...
Meeting Document : WG-FSA-16/52 : Author(s): R. Sinegre and G. Duhamel
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Soviet krill fishery in the Atlantic sector of Antarctic in 1977–1992: Part II – CPUE changes and fleet displacement
are standardized by vessel types, regional fishery associations, months, years and subareas. The causes which ... are standardized by vessel types, regional fishery associations, months, years and subareas. The causes which ...
Meeting Document : WG-EMM-02/27 : Author(s): F.F. Litvinov, P.S. Gasiukov, A.Z. Sundakov and O.A. Berezhinskiy (Russia)
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Spatial variability and power to detect regional-scale trends
, and increasing the significance or Type I error level from 0.10 to 0.20 improved power such that a few less years ... , and increasing the significance or Type I error level from 0.10 to 0.20 improved power such that a few less years ... or sites were required to detect a trend. Monitoring every 3 years instead of annually reduced power only ... or sites were required to detect a trend. Monitoring every 3 years instead of annually reduced power only ...
Meeting Document : WG-EMM-03/47 : Author(s): C. Southwell and L. Emmerson (Australia)
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Linking population trends of Antarctic shag (Phalacrocorax bransfieldensis) and fish at Nelson Island, South Shetland Islands (Antarctica)
in the number of breeding pairs of Antarctic shag Phalacrocorax bransfieldensis in two colonies on Nelson ... the 1990s up to the mid 2000s over an overall monitoring period of over two decades. It addresses ... influenced by the concomitant decrease in abundance of two of their main prey, the nototheniids Notothenia ... in the number of breeding pairs of Antarctic shag Phalacrocorax bransfieldensis in two colonies ...
Meeting Document : WG-EMM-16/P09 : Author(s): R. Casaux and E. Barrera-Oro
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Conservation Measure Conservation Measure 21-03 (2015)
for submitting notifications at least 30 days prior to the deadline, and again at least one week prior ... (2) Prior to fishing Ensure that both flow meters (one for the krill product and one for the water added ... a conventional trawl, or a two-hour period when using the continuous fishing system. Observation steps ...
Conservation Measure : 21-03 (2015)
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An assessment of the use of ocean gliders to undertake acoustic measurements of zooplankton: the distribution and density of Antarctic krill in the Weddell Sea
and deployed in the Weddell Sea, Southern Ocean. The glider was deployed for two short periods in January 2012 ... estimates by up to 8-fold. Glider-based, echo-sounder–derived krill density profiles for the two survey ... in the Weddell Sea, Southern Ocean. The glider was deployed for two short periods in January 2012, in separate ... estimates by up to 8-fold. Glider-based, echo-sounder–derived krill density profiles for the two ...
Meeting Document : WG-EMM-14/P02 : Author(s): D. Guihen, S. Fielding, E. Murphy, K. Heywood and G. Griffiths
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Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in June 2005
parameters, including the use of a length-at-age vector, (iii) consideration of a vulnerability function ... of a length-at-age vector, (iii) consideration of a vulnerability function for the future projections based ... for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. It also considers ... of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. It also considers the sensitivity ...
Meeting Document : WG-FSA-05/30 : Author(s): A.J. Constable, T. Lamb and R. Williams (Australia)