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Evaluating the impact of multi-year research catch limits on overfished toothfish populations
additional fisheries removals for research purposes needs to be evaluated against the risk that such catches ... should be avoided to ensure that research does not significantly impact on the recovery of depleted ... populations Abstract / Description: In stocks that have been depleted by overfishing, the benefit of ... toothfish (Dissostichus eleginoides) stock that has been subjected to varying levels of overfishing and ... 58.4.4a and 58.4.4b) led to the conclusion that the stock was likely to be depleted, and it was closed ... research fishing, SC-CAMLR has agreed that research should be conducted in such a way that it does not ... excess of 0.6% of median unfished total stock biomass should be avoided to ensure that research does not ... the reference scenario (Table 4), with most cases showing recovery rates within ±3 years of that es ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Autor(es): Welsford, D.C
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Use of biological data to inform bioregionalisation of the Southern Ocean
other available data that is appropriate for this method and is likely to be important for the CCAMLR ... data layers without revisiting methodological or procedural decisions such as those that will be ... species-specific layers can then be used in bioregionalisation, for instance by classifying directly on ... Regression Trees), by which we propose that CCAMLR may wish to generate species layers to inform the ...
Meeting Document : WS-BSO-07/7 : Autor(es): M. Pinkerton, B. Sharp and J. Leathwick (New Zealand)
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Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment
Georgia, with special reference to the early life history of Champsocephalus gunnari. File: 04-North.pdf ... unpublished observations by the British Antarctic Survey that found fish larvae to be very abundant in ... mesh of 2 mm may be better but this would clog more easily, especially with other plankton, and may ... longer tows with less replicates, (say six tows of 40 minutes duration) may be enough to make a ... over a period of several weeks, with the larvae hatching over two or more months. Spawning may be ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Autor(es): North, A.W.
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Estimating the level of illegal fishing using simulated scaling methods on detected activity
Abstract: At its 2003 meeting, WG-FSA recommended that investigations be undertaken to determine ... by Agnew and Kirkwood (2002) for Subarea 48.3 could be applied to other CCAMLR areas (SC-CAMLR-XXII ... , Annex 5, paragraph 3.18). The results of these simulations suggest that more information on IUU fleet ... dynamics, particularly evasion tactics, will be necessary to devise an observation strategy for estimating ...
Meeting Document : WG-FSA-SAM-04/14 : Autor(es): Ball, I.
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New Zealand Draft National Plan of Action – Seabirds
vessels participate. The plan proposes that Codes of Practice be developed for each fishery, and that the ... Codes specify fishing practices that will be adhered to, maximum bycatch limits, and methods to monitor ... Abstract: Information on mackerel icefish that has been presented at WG-FSA is summarised and the ... compliance, education and public awareness. Specific fishing practices and bycatch limits will be made ...
Meeting Document : WG-FSA-03/41 : Autor(es): J. Nicolson and D. Randall (New Zealand)
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Fishery Report 2018: Exploratory fishery for Dissostichus eleginoides in Division 58.4.3a
areas that are considered to be the most likely spawning grounds for D. mawsoni include the north of ... ). The Scientific Committee noted that the number of research hauls and tagging rate should be increased ... Committee agreed that the research blocks with the high numbers of tags available for recapture identified ... agreed that research in 2013 should be concentrated within these blocks to maximise the likelihood of ...
Document : Site Section: Publications
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WG-CEMP-94
Africa Date(s): Monday, 25 July 1994 to Wednesday, 3 August 1994 Submissions Due: Monday, 11 July 1994 ... periods of contrasting prey abundance I.L. Boyd, J.P.Y. Arnould, T. Barton and J.P. Croxall (United ...
Meeting
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Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2017
) was calculated at 91,049 t with a lower 1-sided 95% interval estimate of 37,514t. Mackerel icefish ...
Meeting Document : WG-FSA-17/44 : Autor(es): M. Belchier, V. Foster, S. Gregory, S. Hill, V. Laptikhovsky, P. Lafite and L. Featherstone
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Assessment models for Patagonian toothfish in research block 5843a_1 of Division 58.4.3a, Elan Bank
generally based on those with the same names in WG-SAM-14/17 as follows: 1) R.0.1 model without tagging ... posterior traces for B 0 seem to be rather convergent for each model. Further sensitive runs for R.1 model ... , which used multinomial-based weighting for tag-recapture that lead to quite high value of dispersion ...
Meeting Document : WG-FSA-14/22 : Autor(es): K. Taki (Japan)
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Bottom fishing in high-seas areas of CCAMLR
related ecosystems and what steps need to be taken to ensure that destructive fishing practices are ... fishing practices can be eliminated. It concludes that bottom fishing in the Convention Area can be ... controls on fishing activities that may cause significant harm but there is provision in Conservation ... Measure CM 21-02 to ensure that fishing practices are not destructive or cause significant harm to ...
Meeting Document : SC-CAMLR-XXVI/10 : Autor(es): Delegations of Australia and the USA