Search results
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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
a profile extended quasi-likelihood, and a log link function with log of effort as an offset. For 1 < ... ; λ < 2 this model is equivalent to assuming a compound Poisson-gamma distribution (i.e. Tweedie ... -likelihood, and a log link function with log of effort as an offset. For 1 < λ < 2 this model ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Author(s): Candy, S.G
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Revised reports on abundance and biological information of toothfish in Division 58.4.3b by Shinsei Maru No.3 in 2010/11 and proposal of the consecutive survey in 2011/12
, P < 0.05), with the higher percentage of bad condition (54.6 %) for trotline. It seems that smaller ... fish < 80 cm are more damaged than larger ones for trotline system in D. eleginoides. An approximate ... , P < 0.05), with the higher percentage of bad condition (54.6 %) for trotline. It seems that smaller ... fish < 80 cm are more damaged than larger ones for trotline system in D. eleginoides ...
Meeting Document : WG-FSA-11/13 Rev. 1 : Author(s): K. Taki, T. Iwami and M. Kiyota (Japan)
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Estimation and correction of migration-related bias in the tag-based stock assessment of Patagonian toothfish in Division 58.5.2
% and was insensitive to the time period of longline tag releases used. For annual migration rates <2%, consistent ... from simulations was <5%. We demonstrated that the bias can be corrected by increasing the tag ... % and was insensitive to the time period of longline tag releases used. For annual migration rates <2%, consistent ... from simulations was <5%. We demonstrated that the bias can be corrected by increasing the tag ...
Meeting Document : WG-SAM-17/11 : Author(s): P. Burch, P. Ziegler, D. Welsford and C. Péron
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Survey results on abundance and biology of toothfish in Division 58.4.3b by Shinsei maru No.3 during 2006/07–2011/12 and proposal of the consecutive survey in 2012/13
and downward tendencies with years. D. mawsoni mainly occurred in the shallower areas > 1 200 ... but rarely occurred in the deeper areas > 1 400 m. Progressed stages of GMI and high GSIs for D. mawsoni ... and downward tendencies with years. D. mawsoni mainly occurred in the shallower areas > 1 200 ... m depths but rarely occurred in the deeper areas > 1 400 m. Progressed stages of GMI and high GSIs ...
Meeting Document : WG-FSA-12/56 : Author(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)
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Distribution, demography and discard mortality of crabs caught as by-catch in an experimental pot fishery for toothfish in the South Atlantic
(>99% of P. formosa, >97% of P. spinosissima and >90% of P. anamerae) were lively on arrival ...
Meeting Document : WG-FSA-01/32 : Author(s): M.G. Purves (South Africa), D.J. Agnew, G. Moreno, C. Yau and G. Pilling (United Kingdom)
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Preliminary results of age determination by otolith mass in mackerel icefish Champsocephalus gunnari Lonnberg 1905 in the Heard Island area (Australia)
analysis method. Five age groups were defined. Bertalanffi linear growth equation was calculated: Lt=41.73 ... groups were defined. Bertalanffi linear growth equation was calculated: Lt=41.73 (1-e-0.5149(1+0.05225 ...
Meeting Document : WG-FSA-94/08 : Author(s): I.B. Russelo (Ukraine)
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UPDATED KRILL RECRUITMENT DATA FOR THE ELEPHANT ISLAND REGION OF THE SOUTH SHETLAND ISLANDS, ANTARCTICA; 2002-2008
derived from the CMIX procedure, and were also derived as a proportion of the <30 mm length class ... the CMIX procedure, and were also derived as a proportion of the <30 mm length class for day and night ...
Meeting Document : WG-EMM-08/41 : Author(s): C. Reiss (USA)
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Diving patterns and processes in epipelagic and benthic foraging sub-Antarctic seabirds
of extended (>15 min) surface intervals. Dive depth was bimodal with deep (>31m) and shallow (Author ...
Meeting Document : WG-CEMP-91/19 : Author(s): T.D. Williams, J.P. Croxall (United Kingdom), Y. Naito and A. Kato (Japan)
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Homogeneity of body length composition of Antarctic krill within the commercial zone
haul. There was no significant difference (P >0.5) in 53 out of 60 hauls. Therefore it is concluded ... difference (P>0.5) in 53 out of 60 hauls. Therefore it is concluded that sampling from one part ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Author(s): Ichii, T.
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Acoustic estimates of krill density at South Georgia, 1981 to 1998
% confidence limits <15 g m-2). For five of the summers between 1990 and 1998 it was possible to calculate ... % confidence limits <15 g m-2). For five of the summers between 1990 and 1998 it was possible to calculate ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Author(s): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson