Résultats de la recherche

1. Pilot test of techniques to mitigate seabird interactions with catcher processor vessels in the Bering Sea pollock trawl fishery: final report

   Abstract:  We carried out a pilot research program in collaboration with industry to identify ... close as possible to the water at the stern with a snatch block, paired streamer lines and various ... deterrents attached directly to the third wire (3rd wire scarers). Warp deterrents included a boom array or a ... tests suggested fish oil has great potential as a seabird deterrent. Author(s):  E.F. Melvin, K.S ...

   Meeting Document : WG-FSA-05/37 : Auteur(s): E.F. Melvin, K.S. Dietrich and T. Thomas (USA)

2. Report on attendance at the Third Meeting of the Committee for Environmental Protection Under the Madrid Protocol

   relevance to CCAMLR are: (a) CCAMLR has been requested to table a report at the next CEP meeting on marine ... -Antarctic Specially Protected Areas developed by the CEP may offer a useful point of departure; (d) The ... State of the Antarctic Environment Report should be noted and a paper from SCAR on the matter is ... anticipated at SC-CAMLR-XIX; (f) The CCAMLR Secretariat has been requested to provide CEP-IV with a paper ...

   Meeting Document : SC-CAMLR-XIX/BG/17 : Auteur(s): Chair of the CCAMLR Scientific Committee

3. 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)

4. 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)

5. 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

6. 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)

7. 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)

8. 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)

9. 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)

10. 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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