Search results
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Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3
C O ~ J ~ ~ H ~ H H ~ I M OpOneBCTBOM B 1993194 r. npeAJIo~eHb1 YpaBHeHHX PerpeCCllll An% OQeHKll rOpll30HTaJIbHOAO PaCKPbITRSI ... trawls have been used for over 20 years to make fishery-independent estimates of the stock sizes ... the first three stations (17, 20 and 21) were logged every 30 seconds and the fourth (22) every 20 seconds ... , that times on the bridge were only recorded to the nearest minute. 20 25 30 35 40 45 50 Station Figure ... surveys around South Georgia, Subarea 48.3 Abstract / Description: Methods for calculating the horizontal ... used during the 1993/94 UK fish stock assessment survey around South Georgia on the MV Cordella are ... presented. Regression equations for the estimation of horizontal opening from other, more easily measured ... variables, such as tow speed and trawl depth, are proposed. Biomass estimates for the major fish species ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Author(s): Pilling, G. and G. Parkes
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Aspects of the distribution and interannual variations in larval fish assemblages at South Georgia, Antarctica
of fish populations from over-exploitation by commerical-scale fin-fisheries over the past 30 years ... -exploitation by commerical-scale fin-fisheries over the past 30 years. ... life histories as pelagic larval and juvenile phases. Only 30 larval stages of the 103 fish species ... important forms. The larval stages occur in succession throughout the year suggesting niche separation ...
Meeting Document : WG-FSA-93/09 : Author(s): M.G. White (United Kingdom)
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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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An update on the Antarctic Climate Change and the Environment (ACCE) report
Antarctic Climate Change and the Environment (ACCE) Report. It considers two key questions that climate ... Climate Change and the Environment (ACCE) Report. It considers two key questions that climate and other ...
Meeting Document : CCAMLR-XXIX/BG/17 : Author(s): Submitted by SCAR
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WG-KRILL-93
. Kishi and M. Naganobu (Japan) WG-KRILL-93/20 Report of an examination of the acoustic data from RV ... (Japan) WG-KRILL-93/30 Winter gut contents of the Antarctic krill (Euphausia superba Dana) collected ...
Meeting
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An overview of the elasmobranch fish of the Southern Ocean
recorded, with skates (Rajiformes) the most speciose order. Two genera of skates are known (Amblyraja ... , with skates (Rajiformes) the most speciose order. Two genera of skates are known (Amblyraja and Bathyraja ...
Meeting Document : WG-FSA-13/28 : Author(s): J.R. Ellis, S.R. McCully, V.V. Laptikhovsky and R. Scott (United Kingdom)
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A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
December to May for all years and all vessels. Month G S I ( % ) 0 5 10 15 20 25 Dec Jan Feb ... of floats in each of 19 sub-regions at the end of the two-year simulation period for floats released ... depth of 146 m, these red floats take about two years to reach the continental shelf at the eastern ... in the water column. After two years the majority of floats released at 25 m had left the area from where ... Paper Title: A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region are reviewed. Based on the presumed ... of eggs and larvae over a 6–24 month period were investigated using an oceanic circulation model ... locations of toothfish larvae after an 18–24 month period were moderately consistent with the distribution ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 35–53 : Author(s): Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams
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Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area
;March 2002 on the South Georgia shelf. Juvenile fish comprised two year classes arising from spawning ... a trawl survey of juveniles in February–March 2002 on the South Georgia shelf. Juvenile fish comprised two ... year classes arising from spawning in the 1999/2000 and 2000/01 split-years. The mean width of daily ... year class lasted four months. This was estimated based on a retrospective count of daily increments ... survey of juveniles in February–March 2002 on the South Georgia shelf. Juvenile fi sh comprised two year ... the year is de- fi ned as the period from 1 July to 30 June of the next year (Shcherbich, 1975). From ... represented a mixture of two year classes which correspond to spawnings in the 1999/2000 (5 speci- mens ... ) and 2000/01 (20 specimens) split-years. The 1999/2000 year class included 1-year-old fi sh (1+), which ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Author(s): Shcherbich, L.V
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Fishery Report 2017: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b
and from 5 to 48 years for males. These ages may be overestimated by one year due to an interpretation ... to this report is shaded. Throughout this report the CCAMLR fishing season is represented by the year in which ... that season ended, e.g. 2015 represents the 2014/15 CCAMLR fishing season (from 1 December 2014 to 30 ... to research fishing only. Over the past 10 years, the reported catch peaked at 77 tonnes in 2008, which ... Description / Abstract: Fishery Report 2017: Closed fishery for Dissostichus spp. in Divisions ...
Document : Site Section: Publications
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CDS Implementation and Data Analysis
in the CDS data was undertaken for 2018 and 2019. Across both years Chile had the greatest number of DCDs ... for 2018 and 2019. Across both years Chile had the greatest number of DCDs landings and exports ... and one NCP cooperating with CCAMLR by participating in the CDS, and one NCP with limited access ... to the CDS. CDS reports of catches outside the Convention Area have increased in 2018. The Secretariat ...
Meeting Document : CCAMLR-38/BG/10 Rev. 2 : Author(s): CCAMLR Secretariat