Résultats de la recherche
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REPORT OF THE UK GROUNDFISH SURVEY AT SOUTH GEORGIA (CCAMLR SUB-AREA 48.3) IN JANUARY 2009
Abstract: In January 2009 the UK undertook a bottom trawl survey of CCAMLR Sub-area 48.3 on the ... FV Sil. A total of 71 random and representative 30 min tows were made giving good geographic coverage ... )) was 31,753 t with a lower 1-sided CI at 18,904 t. Catches of icefish across the region were dominated ... by a single length class whose mean length varied between South Georgia and Shag Rocks and were ...
Meeting Document : WG-FSA-09/09 : Auteur(s): M. Belchier, R.E. Mitchell, M.A. Collins, L. Kenny, M. Taylor, J. Nelson and L. Featherstone (United Kingdom)
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REPORT ON ACTIVITIES OF THE SCIENTIFIC COMMITTEE ON ANTARCTIC RESEARCH (SCAR) 2007/08
directly to CCAMLR or are of potential interest to CCAMLR. This includes a report on outcomes from SCAR’s ... . The CAML had a highly successful field season with 18 ships contributing to the Census. SCAR-MarBIN ... develop plans for Southern Ocean Observing System (SOOS). A detailed report of SOOS is provided as a ... IPY--". The report includes a message from the new SCAR President Prof. Mahlon “Chuck” Kennicutt ...
Meeting Document : CCAMLR-XXVII/BG/42 : Auteur(s): SCAR Observer to CCAMLR (G. Hosie, Australia)
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Analysis of catch and effort data in SSRUs 882A–B North from the 2015 fishing season including comparisons with data from exploratory fisheries and closed areas
the 2015 survey of the northern region of SSRUs 88.2A–B, including a comparison with all exploratory ... hauled per hour) during the survey were generally lower than those observed elsewhere and showed a ... with a larger number of fish per 1000 hooks, especially in seamount habitats where the fish are large ... areas, and most importantly, showed the same pattern of both high and low catch rates, along with a ...
Meeting Document : WG-SAM-16/16 Rev. 1 : Auteur(s): K. Large, A. Dunn, S.J. Parker, T. Earl, C. Darby, M. Söffker and O.R. Godø
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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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Descriptive analysis of mesopelagic backscatter from acoustic data collected in the Ross Sea
Abstract: This report presents results from a pilot study to investigate the use of acoustics to ... data were collected from the research vessel Tangaroa during a voyage to the western Ross Sea in ... much more backscatter in the upper 1000 m and a wider variety of mark types north of 67° S. Common mark ... types in the northern region included a surface layer at less than 50 m depth, schools and layers ...
Meeting Document : WG-EMM-06/11 : Auteur(s): R.L. O’Driscoll (New Zealand)
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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 : Auteur(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 : Auteur(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 : Auteur(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 : Auteur(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 : Auteur(s): S.M. Hanchet, J. Mitchell, D. Bowden, M. Clark, J. Hall, R. O’Driscoll, M. Pinkerton and D. Robertson (New Zealand)