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CCAMLR Statistical Bulletin, Vol. 29 selected tables
seabed areas by selected depth intervals in the Convention Area. *NEW in 2017* The catch history of ... Statistical Bulletin Data Dictionary.pdf). The data model is based on a star schema with fact tables ... green. Dr David Ramm Data Manager Commission for the Conservation of Antarctic Marine ... Corea NamibiaNAM Namibie Намибия Namibia NorwayNOR Norvège Норвегия Noruega New ZealandNZL ...
Document : Site Section: Data
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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
scaling methods on detected effort Abstract / Description: A new method for estimating illegal fishing ... effort is put forward. The results from this new method are similar to those of the Agnew and Kirkwood ... and when good knowledge exists that zero observations reflect zero illegal fishing. The new method ... by illegal activity. Both the new and the current method suffer from the fact that the observation ... associated with zero detections. The new method The new method reverses the problem by ask- ing what the ... volume). Ball 152 Figure 1: Comparison of the Agnew and Kirkwood (2005) method with the new method ... Heritage Channel Highway, Kingston 7050 Tasmania, Australia Email – ian.ball@aad.gov.au Abstract A new ... method for estimating illegal fi shing effort is put forward. The results from this new method are ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Autor(es): Ball, I
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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
, with marginal class probabilities generated using a simple age-structured model incorporating fishing ... empirical coefficient of variation (CV) in the proportions, with one being based on an existing CV model ... used for CCAMLR fisheries while the other is a new method. The methods that use haul-level frequencies ... gave accurate estimators of an ESS that is appropriate for haul-level heterogeneity with increasing ... within fishing year was simulated using samples from the Dirichlet-multinomial (D-M) distribution, with ... for the empirical coefficient of variation (CV) in the proportions, with one being based on an ... existing CV model used for CCAMLR fisheries while the other is a new method. The methods that use haul ... with increasing accuracy in the following order: (i) the estimator based on the existing CV model ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Autor(es): Candy, S.G
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Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3
mortality rates. These may be associated with increased consumption of C. gunnari by Antarctic fur seals in ... based on the CCAMLR generalised yield model (GYM), with periodically varying natural mortality, provides ... temporary, conservative long-term yield, a new approach and set of decision rules will ultimately be ... rates. These may be associated with increased consumption of C. gunnari by Antarctic fur seals in years ... approach based on the CCAMLR generalised yield model (GYM), with periodically varying natural mortality ... temporary, conservative long-term yield, a new approach and set of decision rules will ultimately be ... fishing pressure. Rather, they may have been associated with increased predation by fur seals in years ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Autor(es): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes
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OTOLITH CHEMISTRY INDICATES POPULATION STRUCTURING BY THE ANTARCTIC CIRCUMPOLAR CURRENT
population structure through the advection of life stages of marine fish species. To test this, we compared ... the Antarctic and between some Antarctic areas. We also found evidence of four groups of fish with ... different early life chemistry: one associated with South America and three Antarctic groups showing mixing ... consistent with advective transport along the ACC. These results suggest that toothfish populations are ...
Meeting Document : WG-FSA-08/P05 - Abstract : Autor(es): J.R. Ashford, C.M. Jones, E.E. Hofmann, I. Everson, C.A. Moreno, G. Duhamel and R. Williams
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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
Abstract: A new method for estimating illegal fishing effort is put forward. The results from ... this new method are similar to those of the Agnew and Kirkwood (2005) method, and this suggests that ... zero observations reflect zero illegal fishing. The new method performs better in the case of zero ... detections and can potentially better handle the evasion of detection by illegal activity. Both the new and ...
Meeting Document : WG-FSA-05/P7 : Autor(es): Ball, I.
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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
Abstract: A new method for estimating illegal fishing effort is put forward. The results from ... this new method are similar to the Agnew and Kirkwood method and this suggests that the current method ... observations reflects zero illegal fishing. The new method performs better in the case of zero detections and ... can potentially better handle the evasion of detection by illegal activity. Both the new and the ...
Meeting Document : WG-FSA-04/63 : Autor(es): I. Ball (Australia)
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Chapter 5: Managing Fishing Activities
harvest strategies, plans for mandatory collection of data needed for assessing status of Antarctic marine ... time limit of 3 years for new research fishing proposals, procedures for their notification, payment of ... at the next IMO maritime safety committee (MSC 106) in November 2022 with a view to adoption at MSC ... NCP receiving vessels only when they are registered with CCAMLR; and (iv) for transhipments of catch ...
Page : Site Section: The Organisation
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CCAMLR Statistical Bulletin, Vol. 26
Description / Abstract: An interactive volume of the CCAMLR Statistical Bulletin in MS Access (2000) format.
Document : Site Section: Data
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WG-CEMP-93
albatrosses Diomedea melanophris and D. chrysostoma at Bird Island, South Georgia P.A. Prince, P. Rothery, J.P ... weaning of Antarctic fur seal pups at Bird Island, South Georgia N.J. Lunn, I.L. Boyd, T. Barton and J.P ... , Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia G.L. Hunt, Jr (USA), D. Heinemann ... for the Chilean krill fishery in Subarea 48.1 from 1987 to 1993 V. Marín (Chile) WG-CEMP-93/22 ...
Meeting