Search results
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Full steam ahead for the Polar Code – developing safety measures for fishing vessels and implementation of marine mammal avoidance measures
Abstract: This paper provides a brief update on progress by the International Maritime ... CCAMLR Members to: Support the development of measures by the IMO include fishing vessels in the Polar ... and analyses and how they may best be made available to and used by the relevant stakeholders. Author ... (s): Submitted by ASOC Title: Full steam ahead for the Polar Code – developing safety measures for ...
Meeting Document : CCAMLR-XXXVII/BG/35 : Author(s): Submitted by ASOC
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
population size. It does so by constructing a spatial model of the South Georgia toothfish fishery ... -scale boxes lying along the 1 000 m contour. The uneven distribution of fish was simulated by adjusting ... an average movement rate downwards when fish entered a high-density box (as indicated by high CPUE ... allows simulation of releases by box over multiple years. The model performed as expected with test ... placements and recapture effort, on bias in the Petersen estimator of population size. It does so by ... contour. The uneven distribution of fish was simulated by adjusting an average movement rate downwards ... when fish entered a high-density box (as indicated by high CPUE) and upwards in a low- density box, so ... that they tended to be retained in high-density boxes. The model allows simulation of releases by box ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Author(s): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark
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e-sc-xxix-a7.pdf
... submitted by Members ............................................. 247 DEVELOPMENT OF A PROCESS FOR ... 15 October 2010. The meeting was co-convened by Mr C. Heinecken (South Africa) and Dr D. Welsford ... meeting and adoption of the agenda 1.3 The Technical Group recalled its terms of reference as agreed by ... the Scientific Committee (SC-CAMLR-XXVII, paragraph 6.7). 1.4 The report was prepared by Mr M
application/pdf attached to:TASO-10Meeting Report : TASO-10
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e-sc-xxiv-a5.pdf
... INVERTEBRATE BY-CATCH SUMMARY FOR WG-FSA .............. 341 Assessment of the status of by-catch species or ... groups ................................. 341 Estimation of by-catch levels and rates ... ................................................... 341 By-catch reporting.......................................................................... 342 ... affecting by-catch rates ........................................................ 343 Release of rajids
application/pdf attached to:WG-FSA-05Meeting Report : WG-FSA-05
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e-cc-xxxvii-a6.pdf
... in paragraphs 90 to 101. 75. SCIC considered the compliance with CM 26-01 by the Russian-flagged vessel Mys ... of a misinterpretation in the inspection process and that the Mys Velikan was compliant. Conservation Measure 31-02 ... . Organisation of the meeting 3. SCIC considered the SCIC Agenda as adopted by the Commission. Implementation ... undertaken by UK-flagged fishing vessel operators to address the issue of marine plastic pollution and ... interest in reducing marine plastic pollution by vessels in the Convention Area. SCIC inquired as to the ... implemented the CDS, and two NCPs currently participate in the CDS with CCAMLR by monitoring the toothfish
application/pdf attached to:SCIC-18Meeting Report : SCIC-18
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A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
, unregulated and unreported (IUU) catches of fish and by-catch of birds. It utilises high quality, well ... ’ and ‘unseen’ IUU fishing by using a simulation model to arrive at statistically rigorous estimates of ... , and confidence intervals for, fish and bird catches by IUU vessels. In order to estimate an IUU catch ... interpreted as zero IUU fishing. For each IUU incident detected by the FPV, a theoretical maximum time over ... and by-catch of birds. It utilises high quality, well-documented fi sheries protection vessel (FPV ... ) cruise data. The method takes explicit account of both ‘seen’ and ‘unseen’ IUU fi shing by using a ... bird catches by IUU vessels. In order to estimate an IUU catch there must have been at least one ... incident detected by the FPV, a theoretical maximum time over which this IUU activity could have occurred ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Author(s): Agnew, D.J. and G.P. Kirkwood
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
number of recaptures-at-age and model the population numbersat- age by annual difference equations ... obtained by integrating an ordinary differential equation (ODE) for within-year population dynamics. The ... perturbation by observational error were also carried out for each model in order to investigate the effect on ... so for the BODE model. The reason for this is explained by the confounding of selectivity parameter ... number of recaptures-at-age and model the population numbers- at-age by annual difference equations ... obtained by integrating an ordinary differential equation (ODE) for within-year population dynamics. The ... . Simulations which passed catch-at-age numbers to the estimation algorithm after perturbation by observational ... BODE model. The reason for this is explained by the confounding of selectivity parameter estimates ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Author(s): Candy, S.G.
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On the state of Champsocephalus gunnari stock in Subarea 48.3 and methods of its assessment
thousand tons, and the followed bottom trawl surveys by Russia and Great Britain in December 1999- February ... bottom trawl surveys conducted by research and small-tonnage fishery vessels and used for the icefish ... , catch per unit effort (CPUE), and calculations by VPA showed a clear underestimation of the stock (Table ... possible to define reasons of underestimation of icefish biomass by bottom trawlings:- vertical opening of ...
Meeting Document : WG-FSA-00/45 : Author(s): K. Shust, V. Senioukov, P. Gasiukov and A. Kozlov (Russia)
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e-cc-xv-a4.pdf
... (CCAMLR-XV/1) was tabled. When this was adopted by the Committee (Appendix I to this report), the ... Management Audit of the CCAMLR Secretariat’ to SCAF for consideration. It was agreed by the Committee that ... this matter would be discussed under Agenda Item 7 ‘Any Other Business Referred by the Commission ... significant financial restrictions imposed by the 1996 budget, it was anticipated that no expenditure item
application/pdf attached to:SCAF-96Meeting Report : SCAF-96
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e-cc-xxi.pdf
... ..................................................................... 29 Information provided by Members under Articles X and XXII of the Convention.... 29 ... ........................................................................... 65 By-catch ... , from 21 October to 1 November 2002, chaired by Dr N. Sasanelli (Italy). 1.2 All 24 Members of the ... Southern Ocean, one of which was given by the Executive Secretary, Dr D. Miller. 1.11 His Excellency
application/pdf attached to:CCAMLR-XXIMeeting Report : CCAMLR-XXI