Search results
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Monitoring, control and surveillance
when and where catch can be landed or transhipped (i.e. a clear definition of both ‘in port’ and ‘at ... Systems Management Review Recommendation P2 (Enterprise Data Model started in 2011) starts to address this ... information management system. Linkages to USA proposal to establish Member query and reports in the E-CDS ... (CCAMLR-XXX/27) 4.3.2.2 C-VMS data for all fisheries be reported directly to the Secretariat in real time ...
Page : Site Section: The Organisation
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CCAMLR-XIX
Notification of Australia’s intention to continue an exploratory fishery in Division 58.4.2 Delegation of ... Dissostichus spp. in CCAMLR areas Delegation of Argentina CCAMLR-XIX/13 Notification by France of new and ... exploratory fisheries in CCAMLR Statistical Area 58 during the 2000/2001 season Delegation of France CCAMLR ... -XIX/14 Notification of an exploratory pot fishery for crabs in Subarea 48.3 Delegation of Uruguay ...
Meeting
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SC-CAMLR-XXVII
SC-CAMLR-XXVII/08 ACTION PLAN AIMED AT REDUCING SEABIRD BY-CATCH IN THE FRENCH EEZs IN STATISTICAL ... INCIDENTAL MORTALITY OF BIRDS IN THE LONGLINE FISHERY IN THE CROZET AND KERGUELEN AREAS 2003–2006 Delegation ... OPERATIONAL EFFECTS ON THE INCIDENTAL MORTALITY OF BIRDS IN THE LONGLINE FISHERY IN THE CROZET AND KERGUELEN ... AREAS 2003–2006 Delegation of France SC-CAMLR-XXVII/13 NOTIFICATION OF VULNERABLE MARINE ECOSYSTEMS IN ...
Meeting
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The living planet index
Abstract: UNEP-WCMC is developing further an approach for measuring and communicating trends in ... biodiversity captured in the Living Planet Index. The Index is based on average trends in populations of ... several hundred vertebrate species from around the world, and UNEP is interested in including CCAMLR data ...
Meeting Document : WG-EMM-04/16 : Author(s): Secretariat
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Towards further development of stock assessment of stock abundance for Subarea 48.6 taking into account the developments since 2012 – a discussion paper
Abstract: This paper outlines stock assessment related work that has been done in Subarea 48.6 ... since 2012 and some review of work that could offer lessons in how to advance stock assessment in ... Subarea 48.6 in 2019. Author(s): Delegations of Japan and South Africa Title: Towards further ...
Meeting Document : WG-FSA-18/66 : Author(s): Delegations of Japan and South Africa
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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 : Author(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 : Author(s): Candy, S.G
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An integrated assessment model for Antarctic krill: progress update
extrapolated from net densities than when biomass was calculated from acoustics. This was reflected in lower ... net biomass densities in either TrawlCI or the integrated model than when acoustic measures of biomass ... ages in the population. Thus the integrated model estimated two population sizes, the "vulnerable ... " population sizes in the integrated models were usually more similar to TrawlCI estimates of ...
Meeting Document : WG-EMM-12/27 : Author(s): D. Kinzey, G. Watters and C. Reiss (USA)
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Comparative studies on the biological and acoustical properties of krill aggregations (Euphausia superba Dana) samples during the XIII Italian Expedition to the Ross Sea (December 1997–January 1998)
Abstract: During the XIII Italian Expedition to the Ross Sea in late spring and early summer ... the Euphausia superba) and acoustical (differences in volume back-scattering strength of krill ... recordings during the hauls. The surveyed area extended from 71° to 76°' S in latitude and from 164° E ... to 177° W in longitude. The aim of the paper is: (1) to compare the species/length composition of ...
Meeting Document : WG-EMM-00/39 : Author(s): M. Azzali, J. Kalinoswki, G. Lanciani and I. Leonori (Italy)
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Fatty acid signature analysis from the milk of Antarctic fur seals and southern elephant seals from South Georgia: implications for diet determination
used in marine ecosystems in which diet determination by more direct methods is difficult and sometimes ... misleading. This study examined fatty acid profiles in milk from two species of pinniped from the Southern ... fur seals (Arctocephalus gazella) in 3 consecutive years, from 1991- 1993 (n=72) and from Southern ... elephant seals (Mirounga leonina) in 1988 (n=53) at South Georgia. Lipids were extracted and fatty acid ...
Meeting Document : WG-EMM-99/44 : Author(s): D.J. Brown, I.L. Boyd, G.C. Cripps and P.J. Butler (United Kingdom)