Résultats de la recherche
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Standardised CPUE analysis of Antarctic toothfish (Dissostichus mawsoni) fishery in the Ross Sea for the years 1997/98 to 2004/05
addition to extreme ice conditions that limited where lines could be set. None of these factors were ... believed to be important in 2005. Investigation of additional explanatory terms included an index of ice ... cover and an index of vessel crowding. Neither of these terms was found to be significant or explain the ... parameterisation of the variables are likely to be the reasons why neither of these terms were found to be ...
Meeting Document : WG-FSA-05/32 : Auteur(s): A. Dunn and N.L. Phillips (New Zealand)
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Models of tag shedding for double tagging as a function of time at liberty and approximate solutions for the single tagging model in CASAL
, as a function of time at liberty. This over-estimation is shown to be significant and the ... that fish that have shed both tags cannot be detected and therefore do not contribute to the data but ... in the theory need to be considered. The KW model gave a considerably poorer fit than the other ... models. It is recommended that CASAL be modified to correctly handle double-tagged releases and at the ...
Meeting Document : WG-SAM-11/12 : Auteur(s): S.G. Candy (Australia)
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Monitoring results of marine debris at Cape Shirreff, Livingston Island during the 1995/96 Antarctic season
the sea. If so, it would be a fact against to the international agreements about protection of the sea ... guidelines about basical and fundamental actions to be taken especially on board of fishing ships in order to ... avoid marine pollution, as well as to be used for teaching activities for the captain, and the chief of ... fisheries crew before to be embarked. This would be a complement to CCAMLR acrylic on the avoidance of ...
Meeting Document : CCAMLR-XV/BG/27 : Auteur(s): Delegation of Chile
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Revised research plan for toothfish in Divisions 58.4.4a and 58.4.4b by the Shinsei Maru No. 3 in 2010/11
Maru No. 3 to be conducted throughout the whole four SSRUs (A-D) in the Division in April-June 2011 in ... research plan to be concentrated in the two centered SSRUs, B and C. These centered SSRUs were selected due ... 2007/08 season (p = 0.02). The research hauls are revised to be allocated on more concentrated 7.5 ... Trot line system will be employed for all hauls. To apply the mark-and-recapture studies, sufficient ...
Meeting Document : WG-FSA-10/49 : Auteur(s): Delegation of Japan
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016–2017
strata carried out from 2012–2015. It is also proposed that the survey be extended to include adult ... basis, it is proposed that these two areas be surveyed in alternate years. Therefore, it is proposed to ... the same as in previous years, and the number of sets will be retained at 45 sets for the core strata ... , and trends in the time series, be presented to WG-FSA for review in 2016 and that a full review be ...
Meeting Document : WG-SAM-15/45 : Auteur(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
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Fishing for structure; can we describe normal patterns in toothfish fishing operations using catch and effort data?
values outside normal maximum ranges can be used to target additional error-checking or seek additional ... required to be gaffed aboard and removed from the line. This effect is compounded by fish size and the ... could be derived, are likely to be influenced by multiple variables. Therefore, multivariate analyses ... . We also recommend additional information be included in the data recording forms to improve ...
Meeting Document : WG-FSA-16/36 : Auteur(s): J.M. Fenaughty and K. Large
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Scientific contribution to the 2016 review of Conservation Measure 51-07: Part 1 – rationale, method and data for a risk assessment framework for distributing the krill trigger level
discussions on this subject in paragraphs 2.201 to 2.244 of its WG report. WG-EMM recommended that work be ... overall risk of localised effects on predators can also be calculated for a known or nominated ... distribution of catches across the region. It can be used to compare alternative fishing patterns in order to ... help minimise risk. For example, the overall risk could be reduced by spreading the fishery further ...
Meeting Document : WG-FSA-16/47 Rev. 1 : Auteur(s): A. Constable (on behalf of the e-group on CM 51-07 WG-EMM review)
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A SIMULATION STUDY TO DETERMINE THE RELATIONSHIP BETWEEN SAMPLING INTENSITY AND PRECISION WHEN ESTIMATING AVAILABILITY FUNCTIONS FOR BREEDING ADÉLIE PENGUIN COLONIES
measurements that allow high resolution temporal availability functions to be estimated, which in turn can be ... consuming and expensive to process, and it is of interest to determine if such data could be subsampled with ... and cannot be recommended. Author(s): J. McKinlay and C. Southwell (Australia) Title: A SIMULATION ...
Meeting Document : WG-EMM-11/12 : Auteur(s): J. McKinlay and C. Southwell (Australia)
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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 ... habitats could be facilitated by having Data Research Plans of CM 21-02 include experimental work as well ...
Meeting Document : SC-CAMLR-XXVI/10 : Auteur(s): Delegations of Australia and the USA
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PROPOSED APPROACH FOR THE IDENTIFICATION OF IMPORTANT MARINE AREAS FOR CONSERVATION: USING ‘MARXAN’ SOFTWARE TO SUPPORT SYSTEMATIC CONSERVATION PLANNING
(Margules & Pressey, 2000) might be used to identify important areas for conservation of biodiversity in ... that would be required to undertake such an analysis. ‘MARXAN’ software (Ball & Possingham, 2000 ... other environmental characteristics. It is concluded that this methodology could be used to provide ... type of analysis could be used to inform the implementation of a range of actions to conserve marine ...
Meeting Document : WG-EMM-08/49 : Auteur(s): S.M. Grant, J. Tratalos and P.N. Trathan (United Kingdom)