Search results
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Assessment models for Patagonian toothfish in Division 58.4.4, SRU C on Ob and Lena Banks for the years 1989/90 to 2012/13
eleginoides in SSRUs C in Division 58.4.4 a & b (WG-SAM-13/21) following several advices during the last ... /21), and a combined value of over-dispersions were used for all tag-release years (2008 and 2010‒12 ... -length using regression line between coefficient variances estimated by a bootstrap procedure and ... Japanese trotline system showed the captures of an adequate number of single-hooked fish in a state ...
Meeting Document : WG-FSA-13/35 : Author(s): K. Taki (Japan)
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Growth models for D. eleginoides for the Heard Island plateau region (Division 58.5.2) calibrated from otolith-based length at age data and validated using mark-recapture data
trawl in Division 58.5.2 were fitted using von Bertalanffy (VB) and segmented-linear models using a ... (VP) of sampling lengths. A segmented linear trawl fishing selectivity function was used where the ... obvious asymptotic behaviour so we compare the fit of the VB model to a segmented linear model. We also ... adjust the VB model by incorporating a multiplicative term that reduces the VB length-age trajectory ...
Meeting Document : WG-FSA-05/64 Rev. 1 : Author(s): S.G. Candy, T. Lamb, A.J. Constable and R. Williams (Australia)
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Performance assessment of underwater setting chutes, side setting and blue-dyed bait to minimize seabird mortality in hawaii longline tuna and swordfish fisheries – Final Report August 2003
Abstract: Mortality in longline fisheries is a critical global threat to some seabird species ... and effectively, will help resolve this global problem. Cooperative research and a commercial ... , commercial viability, and practicality in the Hawaii pelagic longline fisheries. A seabird avoidance method ... capture rates of treatments tested. Because side setting promises to provide a large operational benefit ...
Meeting Document : WG-FSA-03/36 : Author(s): E. Gilman (USA), N. Brothers (Australia), D. Kobayashi, S. Martin, J. Cook, J. Ray, G. Ching and B. Woods (USA)
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Estimating food consumption of marine predators: Antarctic fur seals and macaroni penguins
examples to test the algorithm. A sensitivity analysis showed that estimates of prey consumed were most ... offspring production. Uncertainty in the measurement of metabolic rate led to a positive bias in the mean ... consumed. 3. Assuming a diet mainly of krill Euphausia superba, annual food consumption by Antarctic fur ... ?11] and 8?08 (CV = 0•23) million tonnes, respectively. This was equivalent to a total annual carbon ...
Meeting Document : WG-EMM-02/23 : Author(s): I.L. Boyd (United Kingdom)
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INTERACTIONS OF PATAGONIAN TOOTHFISH FISHERIES WITH KILLER AND SPERM WHALES IN CROZET EXCLUSIVE ECONOMIC ZONE: AN ASSESSMENT OF DEPREDATION LEVELS AND INSIGHTS ON POSSIBLE MITIGATION SOLUTIONS
study (i) provides estimations of annual depredation levels on a 5-years period (2003-2008), (ii ... year period we estimated a total loss of 1200 tons of Patagonian toothfish due to depredation which ... represents a financial loss of approximately 10 millions €. Killer whales were found to be responsible for ... the largest part of this loss (70%) while sperm whales had a lower impact (30%). Photo-identification ...
Meeting Document : WG-IMAF-09/12 : Author(s): P. Tixier, N. Gasco, G. Duhamel and C. Guinet (France)
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PRELIMINARY REPORT OF THE NEW ZEALAND RV TANGAROA IPY-CAML SURVEY OF THE ROSS SEA REGION, ANTARCTICA IN FEBRUARY-MARCH 2008
Abstract: During February and March 2008 New Zealand carried out a major research voyage into the ... trawls, seabed cameras, sleds, and corers were deployed in each habitat to obtain samples for a broad ... 30 years, a total of 282 gear deployments were made at 39 sites covering a wide range of habitats ... were brought back for identification and further study. A total of 55 hours of seabed video and 12,500 ...
Meeting Document : WG-EMM-08/18 : Author(s): S.M. Hanchet, J. Mitchell, D. Bowden, M. Clark, J. Hall, R. O’Driscoll, M. Pinkerton and D. Robertson (New Zealand)
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e-cc-xix-a4.pdf
... as included as Appendix A to the Commission’s Provisional Agenda (CCAMLR-XIX/1) was adopted ... (Appendix I). EXAMINATION OF AUDITED FINANCIAL STATEMENTS FOR 1999 2. The Committee noted that a full ... Commission had decided in 1994 that a full audit should be performed on average once every two years, and in ... 1995 that this would be required at least once every three years. As a full audit has been performed
application/pdf attached to:SCAF-00Meeting Report : SCAF-00
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Longliners, black-browed albatross mortality and bait scavenging in the Falkland Islands: what is the relationship?
-system (demersal) longline setting operations, and a range of environmental and operational variables ... . Logistic regression highlighted that a complex range of environmental and operational variables and black ... , examined over a relatively short time period with minimal environmental variation, the rate of black-browed ... a range of variables influence mortality, until targeted experimental studies are conducted, we ...
Meeting Document : WG-FSA-03/92 : Author(s): T.A. Reid and B.J. Sullivan (United Kingdom)
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PROGRESS REPORT (2008-2009) ON THE ACTION PLAN AIMED AT REDUCING SEABIRD BY-CATCH IN THE FRENCH EEZs IN STATISTICAL DIVISION 58.5.1 AND SUBAREA 58.6
bird mortality. The aim of this paper is to provide a progress report on the resources employed by ... France since the initiation of the plan to limit bird mortality, and to present a brief report on by ... a recommendation made to France during CCAMLR-XXVII to “urgently submit a strategic plan to ...
Meeting Document : SC-CAMLR-XXVIII/11 : Author(s): Delegation of France
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Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean
Abstract: A conservative calculation of the number of albatrosses killed annually on Japanese ... fishery alone exceeding $A 7 million. If all fish species and the total longlining effort were considered ... , it would be many millions of dollars greater. Apart from a concern for albatrosses, Japan's ... longline fishermen would also benefit by using the solutions offered. It is suggested that a 70% reduction ...
Meeting Document : WG-IMALF-94/06 : Author(s): Brothers, N. 1991. Biol. Conservation, 55: 255-268.