Résultats de la recherche
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e-sc-iii-a8.pdf
... , or the magnitude of a TAC for a particular stock, to be specified with more precision. Such studies ... meeting confirmed that this was likely to be a valuable approach. Calculations based on parameters for ... fishery before 1980 were in general agreement with the conclusions from other data that these stocks were ... relation of the current fishing mortality to that which would be desirable according to various policy
application/pdf attached to:WG-FSA-84Meeting Report : WG-FSA-84
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The krill distribution in waters around the South Shetland Islands: Preliminary results from an acoustic survey conducted by a Chinese krill fishing vessel in December 2013
. With this experience, more scientific data may be collected by the Chinese krill fishing vessels in the ... was conducted by the Chinese krill fishing vessel ‘FURONGHAI' in waters around the South Shetland ... Islands. Krill was found in most part of the survey area. The mean Sv of krill swarm tend to be higher in ... strait. The majority of the krill swarms were found in the upper 100 m with a thickness less than 30 m ...
Meeting Document : WG-EMM-14/47 : Auteur(s): X. Wang, X. Zhao, G. Qi, T. Zuo, J. Zhu, J. Zhang and X. Li (People’s Republic of China)
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Practical options for developing feedback management for the krill fishery in Subarea 48.2
regular acoustic surveys by krill fishing vessels, coupled with ‘health checks’ that describe the status ... that the most probable source of information allowing expansion to Stage 2 would be the provision of ... Abstract: During 2013 WG-EMM agreed to form two inter-sessional task groups to progress work that ... reviewing the state of ecological knowledge for Subarea 48.2, we conclude that movement towards Stage 2 (in ...
Meeting Document : WG-EMM-14/04 : Auteur(s): P. Trathan (United Kingdom), M. Santos (Argentina) and O.R. Godø (Norway)
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e-sc-xxix-a7.pdf
... be undertaken in 2010 (SC-CAMLR-XXVIII, paragraph 6.11), and agreed that this would form the ... Technical Group noted that the UK submission provided a useful template which could be used as a basis to ... develop a matrix through which observer programs could be assessed. It was decided that each of the key ... standard (iii) below minimum standard. 1.11 The Technical Group agreed that to be accredited, a program
application/pdf attached to:TASO-10Meeting Report : TASO-10
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e-cc-xix-a4.pdf
... Commission had decided in 1994 that a full audit should be performed on average once every two years, and in ... 1995 that this would be required at least once every three years. As a full audit has been performed ... required an extension for 2000 advised the Committee that they would again require an extension in 2001 ... Committee agreed that such Members would report to SCAF in 2001 on the results of such efforts. The
application/pdf attached to:SCAF-00Meeting Report : SCAF-00
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Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects
generalised linear model (GLM) with a square-root link function and a unit variance function. A time series of ... standardised CPUE estimates and their precision can be obtained from the ‘fishing year’ parameter estimates ... together with ‘baseline’ parameter estimates, their variance–covariance matrix, and the inverse-link ... function. An alternative GLM with a more rigorous theoretical basis is introduced here. Catch is modelled ... expressed with catch as the response variable so that 20.5 , 1,..., ; 1,..., ij ij ij ij ij i y C E i ... that the log-link function can be imbedded in the power family of link functions where the power ... -count variable with mean τ (e.g. the number of fi sh in the haul). Since N can be zero at a frequency ... effort and predictor vari- ables specifi ed in ijη , can be carried out by fi tting a GLM (e.g. with ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Auteur(s): Candy, S.G
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Estimates of primary production by ice algae and phytoplankton in the coastal ice-covered area near Syowa Station, Antarctica
Station (69°00'S, 39°35'E), Antarctica, was estimated. Mean daily production in each month from ... February 1983 to January 1984 was calculated with a mathematical model based on measured parameters of ... ice during the year ranged from 0 to 6.5% of incident solar radiation, due to attenuation with snow ... and phytoplankton was 3.5 and 17 gC m-2, respectively. These results indicate that summer ...
Meeting Document : WG-KRILL-93/28 : Auteur(s): H. Satoh, K. Watanabe and T. Hoshiai (Japan)
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e-sc-xxii-a4.pdf
... be incorporated in CEMP or be used in conjunction with CEMP data?), the Working Group agreed that ... where they are based should be informed that fishing for krill should be conducted in accordance with ... indices may lead to improvements in CEMP. It was recommended that such work should be conducted in the ... (Appendix D, paragraph 132) that: (i) predator performance appears to be related to krill availability
application/pdf attached to:WG-EMM-03Meeting Report : WG-EMM-03
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Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia
results are discussed in relation to the ecology of krill and the fishery's interaction with local ... on fine-scale (0.5 o latitude x 1 o longitude) data show that harvesting in the Scotia Sea has been ... that there are restricted parts of shelf and shelf-break areas where high catches have been obtained ... interannual variability in the distribution of trawls. The data for 1993 were only available from August but ... to reveal aspects of an organism's ecology which cannot be elucidated with traditional ecological ... where the distribution of an organism occurs over a spatial scale larger than one that can be easily ... Orkney Islands, emphasising that similar analyses for these areas would probably be useful. Research ... South Georgia northern shelf area indicate that a shelf break front may be present during summer ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Auteur(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt
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e-imaf-04 report.pdf
... blue-dyed bait together with streamer lines for the past three years and that blue-dyed bait will be ... previous two years and although the total estimated seabird by-catch level is only 20% of that in 2001 ... fishing operations. 7.14 Dr Constable suggested that it would be very useful to estimate the mean level ... and Division 58.5.1 are summarised in Table 7.11. The only statistics that can be compared directly
application/pdf attached to:WG-IMAF-04 ad hocMeeting Report : WG-IMAF-04 ad hoc