Résultats de la recherche
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e-cc-sm-i.pdf
... Members of the Commission were in attendance: Argentina, Australia, Belgium, Chile, European Economic ... the Government of Brazil in accordance with Article VII, 2 (d) of the Convention notified the ... deemed to have satisfied the requirements for Commission Membership’. 5. In case of the notification ... bearing in mind the Guidelines adopted at the Fourth Meeting noted the extensive marine biological
application/pdf attached to:CCAMLR-SM-IMeeting Report : CCAMLR-SM-I
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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
CCAMLR areas is to model the haul-by-haul ratios of catch to effort as the response variable in a ... . Tweedie distribution) for catch that, unlike lognormal or gamma distributions, admits zero values. In ... model (GLMM), in order to provide more efficient estimates of the standardised CPUE time series and more ... as a result of the imbalance in the number of hauls in the year-by-vessel cross-classification ... in a generalised linear model (GLM) with a square-root link function and a unit variance function. A ... values. In addition, random vessel effects are introduced into the GLM, as specifi ed by a generalised ... linear mixed model (GLMM), in order to provide more effi cient estimates of the standardised CPUE time ... -vessel information as a result of the imbalance in the number of hauls in the year-by-vessel cross ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Auteur(s): Candy, S.G
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Records of fishing hooks associated with albatrosses at Bird Island, South Georgia, 1992/93
Abstract: At least six instances of long-line fishing gear (especially hooks) in association with ... breeding black-browed and wandering albatrosses were recorded at Bird Island, South Georgia in 1992J93 ... . Although similar observations had been made in previous seasons, this is the highest incidence yet recorded ... in a single season. Author(s): Delegation of United Kingdom Title: Records of fishing hooks ...
Meeting Document : SC-CAMLR-XII/BG/07 : Auteur(s): Delegation of United Kingdom
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
process error in predicted catch-at-age numbers. Simulations assumed 1 000 releases per year over 12 years ... perturbation by observational error were also carried out for each model in order to investigate the effect on ... estimates with that for M. In contrast, when sigmoidally shaped selectivity was simulated, and the ... functional form of selectivity was correctly specified in the BODE model, both models gave close to unbiased ... the BODE model requires an extra component to the log-likelihood which defines the process error in ... error were also carried out for each model in order to investigate the effect on estimation of M ... with that for M. In contrast, when sigmoidally shaped selectivity was simulated, and the functional ... form of selectivity was correctly specified in the BODE model, both models gave close to unbiased and ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Auteur(s): Candy, S.G.
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Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution
‘effective sample size’ (ESS) in integrated assessments is an approximate but simple way of modelling the ... empirical coefficient of variation (CV) in the proportions, with one being based on an existing CV model ... accuracy in the following order: (i) the estimator based on the existing CV model; (ii) that based on the ... method. To account for process error in the calculation of the ESS, the lack of fit of the age-structured ... Email – steve.candy@aad.gov.au Abstract The incorporation of ‘effective sample size’ (ESS) in ... for the empirical coefficient of variation (CV) in the proportions, with one being based on an ... with increasing accuracy in the following order: (i) the estimator based on the existing CV model ... than the best haul-level method. To account for process error in the calculation of the ESS, the lack ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Auteur(s): Candy, S.G
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Hobart accueille des experts mondiaux de la conservation marine de l'Antarctique
practice and consider new measures to conserve and manage marine ecosystems in the Southern Ocean ... organisations will also participate in the meetings as official observers, adding their voices to the issues ... under discussion. Following CCAMLR’s landmark decision in 2016 to establish the world’s largest marine ... protected area in the Ross Sea, this year’s CCAMLR meetings will: finalise/adopt the Research and Monitoring ...
Page : Site Section: The Organisation
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SCOI-95
Secretariat SCOI-95/05 Sightings of fishing vessels in Subarea 48.3 in September-October 1995 USA SCOI-95/06 ... Correspondence on the sighting of the Argentinian vessel Mar Del Sur III in Subarea 48.3 on 16 January 1995 ... Secretariat SCOI-95/07 Correspondence on the sighting of the Belize-registered vessel Liberty in Subarea 48.3 ... on 16 January 1995 Secretariat SCOI-95/08 Deployment of inspectors by the United Kingdom in 1994/95 ...
Meeting
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Autoliners and seabird by-catch: do line setters increase the sink rate of integrated weight longlines?
vessels in the Kerguelen and Crozet Islands Patagonian toothfish fisheries to deter seabirds, ostensibly ... by expediting gear sink rates. A trial was conducted in the Ross Sea in 2007 to determine the ... effectiveness of line setters in increasing sink rates of IW longlines. Time-depth recorders were deployed along ... longlines set with and without a line setter were identical, including in the first few metres of the water ...
Meeting Document : WG-FSA-07/13 : Auteur(s): G. Robertson (Australia), J. Williamson, M. McNeill (New Zealand), S. Candy (Australia) and N. Smith (New Zealand)
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Using carapace measurements to determine the sex of Antarctic krill (Euphausia superba)
Abstract: Krill carapaces measurements have been used to reconstruct krill length frequencies in ... populations. The equations have been applied to fur seal diet studies in the South Shetlands but until now ... independently derives sex-specific regression models for krill collected in the South Shetlands. Allometric ... derived from mature krill in years following significant recruitment events with large proportions of ...
Meeting Document : WG-EMM-05/26 : Auteur(s): J.D. Lipsky, M.E. Goebel, C.S. Reiss and V. Loeb (USA)
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New data on Antarctic toothfish and some others by-catch fishes fecundity with gonads histological pictures from Ross Sea region and data on Patagonian toothfish from the Argentina Sea
Abstract: Results of samples’ processing fixed from Sub-area 88.1 in the 2003-2004 season aboard ... f/v «Yantar» operating in the Exploratory Fishery were presented. According to the results of ... north of 70° S. It was demonstrated that some part of females participated in spawning not every season ... toothfish gonads’ maturity in Argentina Sea in March, 2004 is discussed. Author(s): V.G. Prutko and L.A ...
Meeting Document : WG-FSA-05/28 : Auteur(s): V.G. Prutko and L.A. Lisovenko (Russia)