Search results
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Spatio–temporal dynamics of Antarctic krill fishery: identification of fishing hotspots
of the fishery is only described in meso to macro scales (>>10 4 km 2). Here we present a novel analysis ... of radius 25 km, and have a high catch density (>10 ton∙km-2) during years when the catch limit ... of the fishery is only described in meso to macro scales (>>104 km2). Here we present a novel analysis ... of radius 25 km, and have a high catch density (>10 ton∙km-2) during years when the catch limit ...
Meeting Document : WG-EMM-16/52 : Author(s): F. Santa Cruz, B. Ernst and J.A. Arata
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Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in the research blocks 58.4.2-1, 58.4.1-2, 58.4.1-3, 58.4.1-4, and 58.4.1-5 for the exploratory longline fishery in 2014/2015 of Korea
item in all size classes (<100 cm (74-100 cm), n = 6; 100-120 cm, n = 31; 120-140 cm, n = 148; 140 ... -160 cm, n = 221; 160 cm< (160-181 cm), n = 43). In the fish prey items, macrouidae were ... the dominant prey item in three size classes (120-140 cm, 140-160 cm, and 160 cm< (160-181 cm) The graphical ... item in all size classes (<100 cm (74-100 cm), n = 6; 100-120 cm, n = 31; 120-140 cm, n = 148; 140 ...
Meeting Document : WG-FSA-15/57 : Author(s): Delegation of the Republic of Korea
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Age and Length Growth of Champsocephalus gunnari, Lonnberg 1905 (Pisces, Chaenichthyidae, in the Area of Elephant Island, West Zone, Antarctica
to the classic model and were estimated as: ♂ Lt= 497.5 [1-e-0.39 (t-1.44)] ♀ Lt = 627.1 [1-e-0.19 (t+0.03 ... to the classic model and were estimated as: ♂ Lt= 497.5 [1-e-0.39 (t-1.44)] ♀ Lt = 627.1 [1-e-0.19 (t+0.03)] ...
Meeting Document : WG-FSA-85/11 : Author(s): A.P. Tomo and E. Barrera-Oro (Argentina)
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Revised reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season
in the shallow area < 500 m in the 2010/11. A total of 189 individuals of toothfish with good physical ... %). There was a significant difference in physical composition between Spanish line and trotline (χ² test, P < 0.001 ... ), with the higher percentage of dead fish for trotline. It seems that smaller fish < 70 cm are more damaged than ... fish in the shallow area < 500 m in the 2010/11. A total of 189 individuals of toothfish with good ...
Meeting Document : WG-FSA-11/14 : Author(s): K. Taki, T. Iwami and M. Kiyota (Japan)
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A study on calibration for commercial echosounder using the bottom backscattering strength from a fishing vessel near the South Shetland Islands in Antarctic
by bottom backscattering strength, since the proportion of krill swarm signals within 2 dB < S V120kHz‒38 ... kHz < 12 dB (i.e. a common ΔMVBS range of 38kHz and 120kHz to be an indicative of Antarctic krill ... , since the proportion of krill swarm signals within 2 dB < SV120kHz‒38 kHz < 12 dB (i.e. a common ...
Meeting Document : WG-EMM-16/61 : Author(s): Delegation of the Republic of Korea
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A study on calibration for commercial echosounder using bottom backscattering strength in Antarctic
by bottom backscattering strength, since the proportion of krill swarm signals within 2 dB < S V120kHz ... ‒ 38 kHz < 12 dB (i.e. a common ΔMVBS range of 38kHz and 120kHz to be an indicative of Antarctic ... , since the proportion of krill swarm signals within 2 dB < SV120kHz‒38 kHz < 12 dB (i.e. a common ...
Meeting Document : SG-ASAM-17/P01 : Author(s): S.-G. Choi, H. Lee, K. Lee and J. Lee
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
to a long-term exploitation rate (catch divided by biomass) of <7%, which is below the 9.3% level ... variability in krill biomass indices. The actual exploitation rate in each subarea has remained <3% because ... annual catches have been <50% of the regional trigger level since 1991. The subarea catch limits help ... exploitation rate (catch divided by biomass) of <7%, which is below the 9.3% level considered precautionary ...
Meeting Document : WG-EMM-16/21 : Author(s): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins
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Biomass of Antarctic krill (Euphausia superba) off east Antarctica (30–80°E) in January–March 2006
in relatively weak aggregations (s A <100 m 2 nmi-2 for each 2 km-alongtrack integration interval), with 50 ... % of integration intervals containing backscattering values <10 m 2 nmi-2. Half of the biomass was found within ... aggregations (sA <100 m2 nmi-2 for each 2 km-alongtrack integration interval), with 50% of integration ... intervals containing backscattering values <10 m2 nmi-2. Half of the biomass was found within 100 km ...
Meeting Document : WG-EMM-06/16 : Author(s): T. Jarvis, E. van Wijk, N. Kelly, S. Kawaguchi and S. Nicol (Australia)
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
for both sexes provides the best available representation of growth in the species: Lt = 70.8(1-e-0.308 ... [t+1.10]), where Lt is the pelvic length (PL) in centimetres at age t. Applying this growth curve ... for both sexes provides the best available representation of growth in the species: Lt = 70.8(1-e-0.308 ... [t+1.10]), where Lt is the pelvic length (PL) in centimetres at age t. Applying this growth curve ...
Meeting Document : WG-FSA-04/29 : Author(s): M.P. Francis and C. Ó Maolagáin (New Zealand)
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Global MPAs and marine reserves: lessons learned and implications for CCAMLR
statistically significant outcomes on fish population metrics, including: “no take, well enforced, old (>10 ... years), large (>100km 2) and isolated by deep water or sand” (Edgar et al. 2014). Two analyses of New ... population metrics, including: “no take, well enforced, old (>10 years), large (>100km2 ...
Meeting Document : CCAMLR-XXXIII/BG/20 : Author(s): Submitted by ASOC