Résultats de la recherche

1. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2003/04

   new SSRUs used to manage Subarea 88.1; secondly, the report includes catch data from all countries ... , the reported catch is confined to C2 data. The catch of D. mawsoni was 2414 t, and contributed 87% of ... the total catch in 2004. D. mawsoni was the dominant species caught in all 12 SSRUs fished. In 2004 ... bycatch species was Macrourus whitsoni, which contributed about 11% of the 2004 catch. Bycatch of skates ...

   Meeting Document : WG-FSA-04/20 : Auteur(s): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and P.L. Horn (New Zealand)

2. Coordinating approaches to incidental mortality arising from fisheries

   Abstract:  Globally, by-catch is recognised as one of the most significant issues affecting ... indirect impacts of harvesting on non-target taxa. There are many approaches to reduce by-catch. Current ... approaches to managing by-catch focus on by-catch avoidance and mitigation measures, setting of precautionary ... catch limits and encouraging research programs that focus on non-target taxa. Through summarising ...

   Meeting Document : WG-FSA-03/71 : Auteur(s): A.J. Constable, C. Davies, A.T. Williamson, R. Williams and E. van Wijk (Australia)

3. Defining fishing grounds in the Scotia Sea

   commercial catch data for the region held in the CCAMLR database. It also summarises available information on ... number of years. The quantity of interest is not only the total catch obtained from a location, say a 10 ... is judged by that location providing a reasonable catch in a given year and that the catch remains ... sufficiently high on average over a number of years. We call this value the normalised longterm average catch ...

   Meeting Document : WG-EMM-02/40 Rev. 1 : Auteur(s): I.R. Ball and A.J. Constable (Australia), S. Kawaguchi (Japan) and D. Ramm (CCAMLR Secretariat)

4. Fishes incidentally caught by Japanese Antarctic krill commercial fishery to the north of the South Shetland Islands during the 1994/95 austral summer

   Abstract:  Observations on abundance of by-catch fishes were made during the austral summer months ... sample of 50 kg of krill. Number of by-catch fishes ranged from 0 to 50 per 100 kg of krill catch and ... total wet weight of by-catch fishes also ranged from 0 to 248.2 g per 100 kg of krill catch. Abundance ... of by-catch fishes was higher in krill hauls with the low catch rates. Author(s):  Iwami, T. Title ...

   Meeting Document : WG-EMM-95/56 : Auteur(s): Iwami, T.

5. The toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2002/03: New Zealand vessel summary

   . The catch of D. mawsoni was about 1070 t, and contributed 89% of the total catch in 2003. They were ... caught in over 90% of the sets in all five SSRUs fished. They were the dominant catch in all sets apart ... ) was taken, almost entirely from SSRU 881A. This is more than twice the catch from 2002 but not as ... great as the catch from 2001. Patagonian toothfish dominated the catches from 60 to 62° 30' S but ...

   Meeting Document : WG-FSA-03/44 : Auteur(s): M.L. Stevenson, S.M. Hanchet and P.L. Horn (New Zealand)

6. Fishes incidentally caught by Japanese Antarctic krill commercial fishery to the north of the South Shetland Islands in February 1997

   ), Notolepis coatsi (3), Benthalbella elongata (1) and Neopagetopsis ionah (1), were captured as by-catch in 16 ... hauls. Except for one channichthyid juvenile of Neopagetopsis ionah, by-catch fishes were referred to ... the bathypelagic families, the Myctophidae, Paralepididae and Scopelarchidae. Among by-catch fishes ... estimated value was 20 to 380 ind./t. The present by-catch data did not provide clear relationship between ...

   Meeting Document : WG-EMM-97/72 : Auteur(s): Iwami, T., Ichii, T., Naganobu, M., Kawaguchi, S.

7. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2011/12

   fishing together with the catch of Dissostichus spp. and bycatch species by year for the period 1997–98 to ... 2011–12. During the 2011–12 fishing year most of the catch in Subarea 88.1 came from the slope SSRU ... 88.1K. About 70% of the catch in the north was taken from 88.1C, and about 85% of the catch on the shelf ... was taken from 88.1J. As in the past, most of the catch in Subarea 88.2 was taken from SSRU 88.2H in ...

   Meeting Document : WG-FSA-12/42 : Auteur(s): M.L. Stevenson ,S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)

8. Exploration of CPUE standardisation variances in the Ross Sea (Subareas 88.1 and 88.2A South of 70°s) Antarctic toothfish (Dissostichus mawsoni) exploratory longline fishery

   Abstract:  Catch rates or catch per unit of effort (CPUE) are used for data-poor exploratory ... effort should be used for catch rates in mixed longline fisheries, and (2) how do different parameters ... trend and magnitude of catch rates. Using data from the Ross Sea Antarctic toothfish fishery, we ... with the lowest Akaike’s Information Criterion (AIC), however standardised catch rates over the fishing ...

   Meeting Document : WG-SAM-2019/25 : Auteur(s): D. Maschette, S. Wotherspoon and P. Ziegler

9. Reporting procedures for the continuous fishing method

   Abstract:  Information about catch and effort from the fishing fleet is vital for evaluation of ... imprecise and with some systematic errors in positioning the catch. In previous EMM meeting we proposed ... the quality of catch data. In this paper, we report a new evaluation of the reporting method. We find ... that it is possible to maintain present reporting frequency with improved positioning of the catch, but ...

   Meeting Document : WG-EMM-17/48 : Auteur(s): O.R. Godø and T. Knutsen

10. Linking acoustic scattering coefficient to krill fishery data: feasibility of estimating krill abundance using fishing survey

    between the acoustic scattering coefficient of krill swarms and catch, catch per unit effort (CPUE), catch ... abundance based on fishery data. The results showed that average catch of daytime trawls was significantly ... higher than average catch of night trawls. The average thickness of krill swarm in the daytime was ... is y=1.6768x+5.8976 (R 2 =0.5818). NASC and catch also had a significant correlation, the equation is ...

    Meeting Document : WG-EMM-17/44 : Auteur(s): T. Wang, G.P. Zhu, J.F. Tong and L.X. Xu

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