Résultats de la recherche
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Revised research plan for toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2012/13
structure, size, movement and growth of Dissostichus spp. in the centred area of Division 58.4.4 a & b ... . An approximate stock biomass level of Dissostichus spp. in the survey area was tentatively estimated ... due to avoid the huge loss of catch from killer whales in SSRU B. The catch biomass level in SSRUs B ... exploitation rate. Because mean CPUE (67 kg /km) in SSRUs C and D was higher than that (62 kg /km) over the ...
Meeting Document : WG-FSA-12/58 Rev. 1 : Auteur(s): Delegation of Japan
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Reports on abundance and biological information on toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2011/12 season
91.3 % to the total fish catch (31 tonnes). Mean CPUEs of D. eleginoides was in the SSRUs were 6.7 ... indiv. / km (CV = 70.0%) in terms of number and 48.3 kg / km (CV = 79.1%) in terms of weight. The mean ... during the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch (excluding tagged and released ... fish) of Dissostichus eleginoides was 28.3 tonnes in the survey area in 70 longline sets, contributing ...
Meeting Document : WG-SAM-12/16 : Auteur(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)
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Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2010/11
Abstract: In order to clarify the stock status and biological characteristics of Dissostichus spp ... Maru No. 3 to be conducted in April-June 2011. This is the second year of the survey of the 3-5 years ... the mark-and-recapture studies, sufficient tagging rate of 5 fish / ton will be conducted in the same ... the fish stock, and will take advices for the method of estimations in the WG-SAM-10 meeting. Author(s ...
Meeting Document : WG-SAM-10/15 : Auteur(s): Delegation of Japan
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Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot
gradual decrease from more than 0.8 to less than 0.3 in the proportion of males relative to females. The ... Abstract: Antarctic krill (Euphausia superba) aggregate in various ways depending on a range of ... ecosystems and also for the krill fishing industry. Despite the importance of such krill hotspots, their ... spawning state is not well described or understood. In the present study, a krill fishing vessel during ...
Meeting Document : WG-EMM-14/15 : Auteur(s): B.A. Krafft, G. Skaret and T. Knutsen (Norway)
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Variability in krill length distribution in 48.1 derived from data collected by scientific observers
Abstract: Information on the length distribution of krill in the catch, and the spatial and ... temporal patterns of krill length in the population is essential to assess krill population status and ... generalised additive mixed models (GAMM) to evaluate the spatial and temporal patterns of length in Antarctic ... Subarea 48.1 needs to be modified in order to gain a comprehensive understanding of the temporal and ...
Meeting Document : WG-EMM-15/16 : Auteur(s): P. Ziegler, S. Kawaguchi D. Welsford and A. Constable (Australia)
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Trends in mean lengths and selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
Abstract: At its last meeting, WG-FSA noted a declining trend in the mean lengths of toothfish ... . Taking depth and area into account there is less of an apparent decline in mean length over the period ... . The combined effects of these findings were examined in a set of preliminary analyses of length ... likely that historical changes over years in the depth distribution of effort have led to different ...
Meeting Document : WG-FSA-01/48 : Auteur(s): G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Krill biomass and distribution variability in Subarea 48.3 in June 1991
transport by the current. Besides, in the upper layer of 0-50 m the swarm number was a almost constant, and ... krill redistribution due to transport and diurnal migrations occurred in the layer of 5-150 m. Estimated ... Abstract: Temporal and spatial variability of krill distribution features was investigated at the ... survey. Horizontal extension of swarms amounted to 120 m, however about 70% of swarms were of 30 m in ...
Meeting Document : WG-CEMP-92/35 : Auteur(s): S.M. Kasatkina, E.I. Timokhin, P.P. Fedulov and K.E. Shulgovskiy (Russian Federation)
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Korean research plan in Divisions 58.4.1 and 58.4.2 in 2016/17
Abstract: Most things related to Dissostichus spp. in the eastern side of Antarctic Ocean has not ... sizes were vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. During the 2004-2015 ... more recapture. The food-web of Dissostichus spp. has started to be studied in the southern Ross Sea ... ): Delegation of the Republic of Korea Title: Korean research plan in Divisions 58.4.1 and 58.4.2 in 2016/17 ...
Meeting Document : WG-SAM-16/17 : Auteur(s): Delegation of the Republic of Korea
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Proposition de procédure CCAMLR d'évaluation de la conformité
é. Elle a préparé un projet de mesure de conservation proposant, pour la CCAMLR ... par les Membres des mesures de conservation adoptées par la Commission. L'Australie propose à ... ; la Commission d'adopter le projet de mesure de conservation ci-joint établissant une procédure ...
Meeting Document : CCAMLR-XXXI/29 : Auteur(s): Delegation of Australia
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Revised reports on abundance and biological information on toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2011/12
28.3 tonnes in the survey area in 70 longline sets. Mean CPUEs of D. eleginoides was 48.3 kg / km (CV ... = 79.1%) in terms of weight. The mean CPUE in terms of weight in SSRU B (32.1 kg / km) was rather lower ... than that (50.5 kg / km) in the same SSRU in 2010/11. A total of 172 individuals of toothfish with good ... hauls. All of whales occurred in SSRU B. The vessel tried to avoid killer whales as in the previous ...
Meeting Document : WG-FSA-12/57 : Auteur(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)