Resultados de la búsqueda

1. Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines

   from 6 525 longline sets were used to calculate the difference between catch-per-unit-effort (CPUE) of ... approach, which can only be implemented when a sufficient level of by-catch species occurs, provides ... were estimated to range from 27.3% to 29.1% of the total catch (landed and depredated), which is one of ... between catch-per-unit- effort (CPUE) of non-depredated and depredated lines. When killer whales and sperm ... -catch species occurs, provides comparable results and thus strong support for the CPUE method. From ... these two methods, depredation rates were estimated to range from 27.3% to 29.1% of the total catch ... . The amount of depredated fish is part of the total catch and is often disregarded when defining ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Autor(es): Gasco, N., P. Tixier, G. Duhamel and C. Guinet

2. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL

   ) abundance estimates by length bin, commercial catch-at-length data, standardised CPUE series for the trawl ... , iteratively estimated process error for the catch-at-length data and the inclusion versus exclusion of the tag ... commercial catch CPUE data is given, but incorporation of process error for the RSTS data was not considered ... length bin, commercial catch-at-length data, standardised CPUE series for the trawl grounds, and tag ... , iteratively estimated process error for the catch-at-length data and the inclusion versus exclusion of the ... abundance data and commercial catch CPUE data is given, but incorporation of process error for the RSTS ... multiple fisheries catch- at-length proportions, fisheries-independent re- search survey data (RSTS ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Autor(es): Candy, S.G and A.J. Constable

3. Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87

   different characteristics of experimental codends, length frequency distribution of stocks sampled, catch ... rates and catch composition. Details of these data were analyzed and minimum mesh sizes for several ... different characteristics of experimental codends, length frequency distribution of stocks sampled, catch ... rates and catch composition. Details of these data were analyzed and minimum mesh sizes for several ... fish in the stock sampled, catch rates and catch composition. All these factors may influence the ... in Figure 1 is only a rough estimate. The effect of catch rates on fish selection cannot be ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Autor(es): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias

4. The New Zealand toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2001/02

   ; 88.2 are reviewed and compared to previous seasons. Catch and effort data and biological information ... . The catch for the 2002 season was almost double that for 2001, and CPUE was the highest for any year ...

   Meeting Document : WG-FSA-02/38 : Autor(es): S.M. Hanchet, P.L. Horn, M.L. Stevenson and N.W. McL. Smith (New Zealand)

5. Preliminary assessment of mackerel icefish, Champsocephalus gunnari, in Subarea 48.3 using a length based population dynamics modelv

   Abstract:  A length-based projection model is used to estimate catch limits for the 2011/12 ... total allowable catch of 3,072 tonnes for 2011/12 and 2,933 tonnes for 2012/13. Author(s):  R.E ...

   Meeting Document : WG-FSA-11/30 Rev. 1 : Autor(es): R.E. Mitchell and S.M. Martin (United Kingdom)

6. PRELIMINARY ASSESSMENT OF TOOTHFISH IN SUBAREA 48.3

   Abstract:  1. 2009 data have been incorporated in to the catch-at-age based CASAL model for ... 2006. Fits to the catch at age data are good, except for 2009 where large numbers of age 7 and age 9 ...

   Meeting Document : WG-FSA-09/28 Rev. 1 : Autor(es): D.J. Agnew and T. Peatman (United Kingdom)

7. The state of Dissostichus eleginoides stock and TAC for 1990/91 in Subarea 48.3 (South Georgia)

   determining growth rate, size and age composition, natural mortality and catch statistics an attempt was made ... possible catch at F0.1 and FMSY. Author(s):  K.V. Shust, P.S. Gasiukov, R.S. Dorovskikh and B.A. Kenzhin ...

   Meeting Document : WG-FSA-90/34 : Autor(es): K.V. Shust, P.S. Gasiukov, R.S. Dorovskikh and B.A. Kenzhin (VNIRO and AtlantNIRO, USSR)

8. WG-SAM-08

   ) WG-SAM-08/05 EXPLORATORY ASSESSMENT METHODS FOR EXPLORATORY FISHERIES: AN EXAMPLE CASE USING CATCH ... , IUU CATCH AND TAGGING DATA FOR DIVISION 58.4.3A R.M Hillary (UK) WG-SAM-08/06 DEFINING TAG RATES AND ... /14 DEVELOPMENT OF A SPATIALLY EXPLICIT AGE-STRUCTURED STATISTICAL CATCH-AT-AGE POPULATION DYNAMICS ... -BASED MANAGEMENT PROCEDURE FOR KRILL FISHERIES: A METHOD FOR DETERMINING SPATIALLY-STRUCTURED CATCH ...

   Meeting

9. Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2012/13 Subarea 48.6 and Divisions 58.4.1, 58.4.2 and 58.4.3a (this is a revision of WG-SAM-12/09)

   , we firstly showed information of catch, efforts, tagging experimental results based on the CCAMLR C2 ... operations in the 2012/13 season for all vessels. Catch and efforts were active in two areas in the north of ... and maturity stages, sex ratio, age-length relationship, and catch rate which help the progress in ... current catch limits may be needed to increase in success of the mark recapture research for D. mawsoni in ...

   Meeting Document : WG-FSA-12/60 Rev. 1 : Autor(es): Delegation of Japan

10. IMPLEMENTATION OF FISHERY CONSERVATION MEASURES IN 2009/10

    CM 21-03 8 Scientific research notifications 8 Appendix 1: Catch limits and total reported catches in ... :  Fisheries for icefish (Champsocephalus gunnari) in Division 58.5.2 and Subarea 48.3 (total reported catch ... catch 8 291 tonnes, Table 1, see also SC-CAMLR-XXIX/BG/1); Author(s):  Secretariat Title ...

    Meeting Document : CCAMLR-XXIX/BG/10 : Autor(es): Secretariat

Páginas