Résultats de la recherche
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GROUNDFISH SURVEY IN CCAMLR SUB-AREA 48.3 IN APRIL 2008 WITH PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH
Sil, with 70 bottom trawls undertaken giving good geographic coverage. Using 10 strata and the updated ... the 1+ fish produced yield of 3445 tonnes in Year 1 (2008/09) and 2318 tonnes in Year 2 (2009/10). In ...
Meeting Document : WG-FSA-08/28 : Auteur(s): M.A. Collins, R.E. Mitchell, C.E. Main, J. Lawson, J. Watts, J. Slakowski, L. Featherstone and O. Rzewuski (UK)
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Population demography of Antarctic fur seals: the costs of reproduction and implications for life-histories
, to estimate the rate of increase of the population as 10•7% per annum. 3. The average annual survival ... rate was 0•83 (SD = 0•10) with a range from 0•65 to 0•93. Survival rate showed no trend through time ...
Meeting Document : WG-EMM-95/26 : Auteur(s): Reid, K., Croxall, J.P., Lunn, N.J., Boyd, I.L.
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2011/12
Subarea 88.1 and for 10 years in Subarea 88.2. This report summarises the timing, depth, and location of ... and Subarea 88.2 fisheries have fluctuated over the past 10 years with no overall upward or downward ...
Meeting Document : WG-FSA-12/42 : Auteur(s): M.L. Stevenson ,S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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Habituation to an acoustic harassment device (AHD) by killer whales depredating demersal longlines
a 10- 300 m range from the vessel, as they only have access to fishing gear during hauling. We ... fled over 700 m away from the vessel when first exposed to the AHD. However, they remained within a 10 ...
Meeting Document : WG-FSA-14/P04 : Auteur(s): P. Tixier, N. Gasco, G. Duhamel and C. Guinet
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Estimates of abundance of Dissostichus eleginoides and Champsocephalus gunnari from the random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 for 2018
survey area were close to the highest estimates for the past 10 years. For the managed by-catch species C ... . (skates) were the highest in the last 10 years. Length measurements and sex were taken for nearly 22 000 ...
Meeting Document : WG-FSA-18/55 : Auteur(s): G. Nowara, T. Lamb and P. Ziegler
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Reports on abundance and biological information of toothfish in Division 58.4.3b by Shinsei Maru No.3 in the 2010/11 and proposal of the consecutive survey in the 2011/12
trotline system was employed. This was lower than 125 ± 13.1kg / 1,000 hooks in the 2009/10 survey ... earlier seasons (December-February in 2008/09 and 2009/10). However, those indices for D. eleginoides did ...
Meeting Document : WG-SAM-11/05 : Auteur(s): K. Taki, T. Iwami and M. Kiyota (Japan)
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Using production models to assess the stock of Paralomis spinosissima around South Georgia Island
x 10-7 ≤ q ≤ 9.49 x 10-7) ≈ 0.95; and Pr(0.00804 ≤ a ≤ 0.00890) ≈ 0.95. Assuming that fishery ...
Meeting Document : WG-FSA-93/23 : Auteur(s): George Watters (USA)
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Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.1
of the austral summer sea-ice in the current research blocks during past 10 years. The sea-ice ... trigger level of 1 500 kg for the catch of Macrourus spp. in two 10-day periods provided in the paragraph ...
Meeting Document : WG-FSA-13/38 : Auteur(s): Delegation of Japan
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Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013
Approximation (SDWBA) target strength model. Krill density ranged over several orders of magnitude (0 to 10 000 ... biomass in the WCB and even total commercial catch in subarea 48.3 is frequently less than 10% of the ...
Meeting Document : WG-EMM-14/P04 : Auteur(s): S. Fielding, J. Watkins, P. Trathan et al.
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Monitoring Antarctic toothfish (D. mawsoni) recruitment in the southern Ross Sea
and the number of stations required to achieve a target biomass CV of 10%. Since then a further five ... total length, 5–10 year old, Antarctic toothfish. The results suggest a decline in toothfish abundance ...
Meeting Document : WG-FSA-17/57 : Auteur(s): S.M. Hanchet, S. Mormede, S. Parker, K. Large, A. Dunn and B. Sharp