Résultats de la recherche
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Rapports de pêcherie 2014
, les rapports de pêcheries seront rendus publics en anglais uniquement. ...
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Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000
biomass is shown. About 64% of the krill biomass was concentrated in krill swarms in the upper 80 m depth ... detecting potential fishing grounds where the recommended precautionary catch limit could be taken. Such ... fishing grounds could be located within the zones in which swarms were concentrated and where the biomass ... million tonnes. It was shown that the removal of biomass up to a recommended precautionary limit could be ... be r 19 84 Ja nu ar y 19 85 M ea n d ep th r an ge (m ) 70 80 80 50 62 44 .0 ... the krill biomass was concentrated in krill swarms in the upper 80 m depth layer within meander and ... shing grounds where the recommended precautionary catch limit could be taken. Such fi shing grounds ... could be located within the zones in which swarms were concentrated and where the biomass density was ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Auteur(s): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky
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A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels
Antarctic krill (Euphausia superba), yet the quality and even the utility of the data may be seriously ... 0. 20 58 0. 68 64 0. 99 86 0. 97 61 0. 49 83 0. 93 74 23 A post ... utility of the data may be seriously degraded by interference noise due to the lack of synchronisation of ... . The estimated standing stock of krill (B0) derived from the CCAMLR-2000 Survey is still used by the ... region or obtaining data on the spatial organisation of krill, can be achieved using acoustic data ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Auteur(s): Wang, X., J. Zhang and X. Zhao
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
recent years. This suggests that fishing at the trigger level would be equivalent to a long-term ... excessive concentration of catch at the subarea scale. Finer-scale management might be necessary to manage ... 1981/82 48.3 256 206 1986/87 312 134 1986/87 48.4 10 1982/83 19 1972/73 Total 619 465 676 303 ... of the regional biomass in recent years. This suggests that fishing at the trigger level would be ... fished stocks. Fished stocks must be maintained at or above the level ‘which ensures the greatest net ... . The ‘ecological relationships between harvested, dependent and related populations’ must be main ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Auteur(s): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins
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Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)
between them being at about 90°E. The western stock may be centred around Prydz Bay, and appears to be of ... to be 82%). For a fishery close to its target level this ratio would be lower. For instance, in the ... 58.4.2, with the division between them being at about 90°E. The western stock may be centred around ... Prydz Bay, and appears to be of very low productivity. Estimates of average biomass were made by ... - mental fishery at what it considered to be an arbi- trary, but precautionary, level of 260 tonnes for ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Auteur(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán
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SC-CAMLR-SSP/5 – Part II, 1988
1978/79 1979/80 1980/81 1981/82 1982/83 1983/84 1 0,35 24,7 26,3 27,8 38,3 32,8 20,5 31,1 36,5 2 ... /77 1977/78 1978/79 1979/80 1980/81 1981/82 1982/83 1983/84 1 0,35 0,0000 0,0258 0,0002 0,0421 ... /77 1977/78 1978/79 1979/80 1980/81 1981/82 1982/83 1983/84 1 2 3 4 5 6 HToro B03paCT- Ha5I ... Ha51 eCTecTBeHHoH rpynna cMepTHocTH 1984/85 1985/86 1986/87 1987/88 1 0,35 26,3 31,1 27,8 21,8 2 ...
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Fishery Report 2017: Dissostichus eleginoides South Georgia (Subarea 48.3)
, which is consistent with the CCAMLR decision rule which requires the stock to be at 50% of B0 after 35 ... proportions at length and numbers of tagged fish must be applied externally. Table 3: Length-specific ... class (cm) 40 50 60 70 80 90 100 + Proportion surviving 1.0 0.96 0.95 0.95 0.94 0.83 0.8 18 ... observations and likelihood profiles of key parameters estimated by the model, specifically B0. 25 ...
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CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass
per day was higher. The correlation between catch and tow time was considered to be an indicator of ... 10 8 0. 72 27 52 0. 14 17 62 18 0 0. 82 08 92 0. 02 71 83 92 7. Su ba re ... 21 0. 93 45 32 0. 67 87 86 9 22 . Su ba re a 48 .3 , a ll ve ss el s, Ju ... ti re p er io d 0. 44 82 41 9 76 4 0. 11 03 87 0. 33 12 05 2 73 7 0. 71 ... 56 97 0. 39 46 73 45 6 0. 80 13 79 0. 38 44 14 23 9 6. Su ba re a 48 .2 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Auteur(s): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov
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Fishery Report 2017: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)
were in agreement and indicated that a B0 of around 80 000 tonnes was most likely, tag-releases from ... 2003 and both fishing methods continued to be used, with an increasing proportion of longline fishing ... McDonald Islands EEZ, and therefore brief fishing forays into the EEZ cannot be discounted. IUU fishing ... ; WG-FSA-15/55). Fifty percent of fish are estimated to be mature at around 14 years of age (WG-FSA ...
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Fishery Report 2018: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)
were in agreement and indicated that a B0 of around 80 000 tonnes was most likely, tag-releases from ... methods continued to be used, with an increasing proportion of longline fishing in each year. Since 2015 ... brief fishing forays into the EEZ cannot be discounted. IUU fishing gear was also recovered in 2006 and ... been found (Welsford et al., 2011; WG-FSA-15/55). Fifty percent of fish are estimated to be mature at ...
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