Search results
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ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CATCH AND CPUE DATA
Abstract: An attempt to use reported catch and CPUE data based on data of observers in the ... assessment of Antarctic toothfish stock in Division 58.4.1 is made. Unlike some previous results obtained for ... toothfish stock biomass in the Ross Sea. As a result of implementation of an age-structured and a dynamic ... production models, current stock biomass in this division is estimated as about 12000 t, while the estimate ...
Meeting Document : WG-FSA-09/14 Rev. 1 : Author(s): D. Vasilyev, K. Shust, A. Petrov, V. Tatarnikov and I. Istomin (Russia)
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The International Code for Ships Operating in Polar Waters: Step 2 addressing fishing vessels
adoption of a Polar Code for shipping in polar waters, and sets out the initial steps for a second phase on ... identifies the relevance for fishing vessels of various safety matters addressed in the Polar Code, on the ... basis of recent incidents in the Southern Ocean. Finally, it proposes measures on ice strengthening of ... fishing vessels and training of fishing vessel crews, which should be introduced by CCAMLR in the interim ...
Meeting Document : CCAMLR-XXXIV/BG/24 : Author(s): Submitted by ASOC
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Diagnostic plots of stock assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2016/17
toothfish in the Ross Sea as recommended by WG-SAM-15 (2015). The stock assessment rationale and models as ... well as their main diagnostics are described in Mormede (2017). The CASAL files for the assessment ... models were provided to the CCAMLR Secretariat as a zip file. In this paper we present the results for ... . Key tables are given in Mormede et al. (2017) including process error weightings and the MPD objective ...
Meeting Document : WG-FSA-17/38 : Author(s): S. Mormede
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Report on transhipment of krill in 2009
activities by its krill fishing vessel in the CCAMLR Convention Area in 2009, as a background paper for ... CCAMLR annual meeting to be held in October 2010. Author(s): Delegation of Japan Title: Report on ... transhipment of krill in 2009 Approval: Approved ...
Meeting Document : CCAMLR-XXIX/BG/05 : Author(s): Delegation of Japan
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Report on transhipment of krill in 2010
transhipment activities by its krill fishing vessel in the CCAMLR Convention Area in 2010, as a background ... paper for CCAMLR annual meeting to be held in October 2011. Author(s): Delegation of Japan Title ... : Report on transhipment of krill in 2010 Approval: Approved ...
Meeting Document : CCAMLR-XXX/BG/36 : Author(s): Delegation of Japan
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Exploitation of mesoscale oceanographic features by grey-headed albatross Thalassarche chrysostoma in the southern Indian Ocean
association with mesoscale oceanographic features, as identified by sea surface height anomalies, in the ... anomalies created by the Agulhas Return Current in the Subtropical Convergence and the Subantarctic zones ... . In contrast, during chick-rearing all tracked birds foraged to the southwest of the island, at the ... edges of anomalies along the South-West Indian Ridge. Previous work in this area has shown that these ...
Meeting Document : WG-FSA-01/12 : Author(s): D.C. Nel, J.R.E. Lutjeharms, E.A. Pakhomov, I.J. Ansorge, P.G. Ryan and N.T.W. Klages (South Africa)
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Gap analysis: comparing CCAMLR’s port state measures with those in the FAO Agreement on Port State Measures to Prevent, Deter and Eliminate Illegal, Unreported and Unregulated Fishing
; they are not effective enough in deterring the activities of IUU operators; and they do not establish ... . CCAMLR, despite having a number of effective port State measures, needs to improve its regime. In ... engaged in other fisheries. It is important that CCAMLR aligns its measures with those of the PSMA and ... encourages its members to expeditiously sign and ratify the agreement, in order to address difficulties of ...
Meeting Document : CCAMLR-XXIX/BG/25 : Author(s): ASOC Observer
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Joint research proposal for the Dissostichus spp. exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) by Australia, France, Japan, Republic of Korea and Spain
Abstract: Exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions ... 58.4.1 and 58.4.2) began in 2003. Robust stock assessments and catch limits according to CCAMLR decision ... rules remain to be determined for these Divisions. Multiple research plans are currently in place by ... plan to be presented by all proponents of research in Divisions 58.4.1 and 58.4.2 to WG-FSA-16 (WG-SAM ...
Meeting Document : WG-FSA-16/29 : Author(s): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Fishing for structure; can we describe normal patterns in toothfish fishing operations using catch and effort data?
Abstract: We describe the typical steps involved in demersal longline fishing operations for ... toothfish in CCAMLR fisheries and link those steps to the variables recorded as part of the CCAMLR catch and ... information using other associated vessel records. Other unusual values, although potentially in error, are ... and their use in identifying erroneous data. The analyses show that many of the useful metrics that ...
Meeting Document : WG-FSA-16/36 : Author(s): J.M. Fenaughty and K. Large
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Exploration of CPUE standardisation variances in the Ross Sea (Subareas 88.1 and 88.2A South of 70°s) Antarctic toothfish (Dissostichus mawsoni) exploratory longline fishery
fisheries without integrated assessments in the CPUE by seabed area method to estimate stock biomass in the ... effort should be used for catch rates in mixed longline fisheries, and (2) how do different parameters ... in the catch rate models were vessel, gear and bait, with vessels showing by far the largest effect ... as catch rates. To assist in future quality checking of data, we also recommend a new reporting field ...
Meeting Document : WG-SAM-2019/25 : Author(s): D. Maschette, S. Wotherspoon and P. Ziegler