Résultats de la recherche
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OPTIONS FOR USING UNREPLICATED ECOSYSTEM MONITORING DATA TO DETECT IMPACTS
changes in this frequency rather than by reference to a critical probability. For example, this approach ... interventions based on subtle indications of an impact. Our example impact was characterised by an increase in ... determined by the dynamics of the system. Author(s): S. Hill, J. Forcada, P. Trathan and C. Waluda (United ...
Meeting Document : WG-EMM-09/26 : Auteur(s): S. Hill, J. Forcada, P. Trathan and C. Waluda (United Kingdom)
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Information on illegal fishing in Statistical Area 58 assessment of illegal fishing in French waters around Kerguelen and Crozet Islands: report of observations and inspections in the CCAMLR area 2002/2010 season (1 July 2009 to 15 August 2010)
surveillance system deployed by France in the French Exclusive Economic Zones (EEZs) has been operational ... IUU fishing or are associated with IUU activities, followed up by investigations and legal action ... based on reports of interrogations drawn up by CCAMLR inspectors. Author(s): Delegation of France Title ...
Meeting Document : CCAMLR-XXIX/44 : Auteur(s): Delegation of France
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Characterisation of skate catches in the Ross Sea region
in 2008/09 and 2009/10. The composition of the skate catch by species is uncertain; it is estimated ... that about 33 000 starry skates were landed, and 55 000 released in the Ross Sea region by all vessels ... tagging database has also improved since it has been centrally managed by CCAMLR. It has shown the value ... of the two species, starry skates generally being found deeper and more to the west than Eaton cf ...
Meeting Document : WG-FSA-10/25 : Auteur(s): S. Mormede and A. Dunn (New Zealand)
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation
R. Both use the same Poisson likelihood for annual number of recaptures by age class, and both model ... the age-structured population for each fishing year by annual recursive use of difference equations ... for population numbers at age obtained by integrating a first order ordinary differential equation ...
Meeting Document : WG-SAM-10/11 Rev. 1 : Auteur(s): S.G. Candy (Australia)
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A von Bertalanffy growth model for Division 58.5.2 fitted to length-at-age data and a comparison of predicted with observed growth from mark–recapture data
Abstract: Length-at-age data for the Patagonian toothfish (Dissostichus eleginoides) caught by ... being a sharp decline in selectivity from 100% at 1000 mm down to 1% by 1600 mm. The VB curve fitted to ... Fabens form of the VB growth model. Formulae for adjusting predictions for bias imparted by the use of ...
Meeting Document : WG-FSA-SAM-06/07 : Auteur(s): S.G. Candy, A.J. Constable, T. Lamb and R. Williams (Australia)
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Convention CCAMLR
of: 33 Articles, an annex relating to an arbitration tribunal, and a statement by the Chairman of the ... of State sovereignty is recognised by all Contracting Parties. In addition to its focus on ... ). The marine resources managed by CCAMLR specifically exclude whales and seals, which are the subject of ... finfish, molluscs, crustacean and sea birds found south of the Antarctic Convergence (the Convention Area ...
Page : Site Section: The Organisation
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Investigating emigration in stock assessment models of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H
, emigration can be mimicked by treating it either as a constant biomass of removals or as an additional ... explained solely by emigration (a process that includes both tagged and untagged fish), but requires a ... SSRUs 88.2C–G. As requested by WG-SAM we have developed models for (i) SSRU 88.2H using tag recaptures ... work. This was presented to WG-SAM in 2014, and found that the models were unable to fit patterns in ...
Meeting Document : WG-FSA-14/56 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Revised proposal for the ongoing research plan on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21)
has been conducted with a research plan submitted under CM 24-01 since 2008 by Japan. France joined ... built up the CASAL model developed in WG-FSA-15/23 by Taki et al. (2015). Different scenarios of ... milestones to facilitate the reviewing process of this research plan. A list of dates by which specific ...
Meeting Document : WG-SAM-2019/08 : Auteur(s): Delegations of Japan and France
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Engaging ‘the crowd’ in citizen science and remote sensing to learn about habitat affinity of two Southern Ocean seals
campaign covered about 18 000 km 2 of pack ice. Using consensus-based algorithms on images identified by ... presence in the Weddell Sea region suggested presence on 3.3% of maps. Comparison with images searched by ... were conducted by experts, and on a subset of available images (of area totalling 738 km 2). We assess ...
Meeting Document : WG-EMM-2019/37 : Auteur(s): M.A. LaRue, D.G. Ainley, J. Pennycook, K. Stamatiou, M. Dozier, J. Saints, L. Sales, N. Nur, S. Stammerjohn and L. Barrington
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Données de la CCAMLR
as 'CCAMLR data', are used principally by CCAMLR's Scientific Committee, specialised ... Access and Use of CCAMLR Data (20.18 KB) generally govern the administration and use of data held by the ...
Page : Site Section: Data