Résultats de la recherche

1. Meta-analysis of catch reporting in CCAMLR exploratory fisheries

   Abstract:  The Secretariat has prepared a meta-analysis of the target and by-catch reported in ... target species divided by the total number of fish caught (the target catch ratio) is used as simple ... metric of the relative level of target and by-catch reported for each haul. This index showed little ... data reported in CCAMLR fisheries may include the development of a detailed manual on by-catch sampling ...

   Meeting Document : WG-FSA-18/14 : Auteur(s): CCAMLR Secretariat

2. By-catch of fishes caught by the fishery vessel Niitaka Maru in the South Georgia area (August to September 2004)

   of by-catch fishes were occurred in 76 trawl catches. The family Myctophidae, the most abundant taxa ... larseni, was captured as by-catch of the Nototheniidae, the Nototheniidae were the next in abundance and ... found in 25% of hauls. Length frequency distribution of by-catch of L. larseni shows this species is ... the Myctophidae. At least in the net hauls of high krill CPUE (>20t?krill/h), few or no by-catch ...

   Meeting Document : WG-EMM-05/19 : Auteur(s): T. Iwami, T. Hayashi, K. Taki and M. Naganobu (Japan)

3. Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea

   Abstract:  This paper presents a new approach to the stratification of catch-at-length data of ... sampled catch based on the median length of Antarctic toothfish for each set using the observer length ... toothfish catch-at-length and catch-at-age from the Ross Sea up to the end of the 2003–04 fishing season ... . Author(s):  N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand) Title:  Stratification of catch-at ...

   Meeting Document : WG-FSA-SAM-05/8 : Auteur(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)

4. Estimates of bird by-catch by IUU vessels in Subarea 48.3, 1998–2001

   working group. Last year we suggested that the Isabel data from 1997 were rather atypical of bird catch ... rates in the illegal fishery, and that these were more likely to be similar to the bird catch rates made ... catch rate by the number of hooks observed leads to revised estimates of total catch in 1999, 2000 and ... (United Kingdom) Title:  Estimates of bird by-catch by IUU vessels in Subarea 48.3, 1998–2001 Approval ...

   Meeting Document : WG-FSA-03/56 : Auteur(s): D.J. Agnew (United Kingdom)

5. Some notes on by-catch of fishes and salps caught by the fishery vessel Niitaka Maru in the vicinity of the South Shetland Islands (January to February 1999)

   Chaenodraco wilsoni were found in 4 trawl catches. On the contrary, salps were captured as by-catch in 69 ... hauls and those estimated value was 20 to 3560 ind./t of krill. By-catch fishes fed on Thysanoessa ... have been depended on the density of krill concentration. At least, the large incidental catch of salps ... (>2500 ind./t of krill) occurred in hauls with the low krill catch rates (Author(s):  T. Iwami, S ...

   Meeting Document : WG-EMM-00/54 : Auteur(s): T. Iwami, S. Kawaguchi and M. Naganobu (Japan)

6. Fish by-catch in the krill fishery: 2017 update

   Abstract:  Data on fish by-catch in the krill fishery from commercial catch data (100 153 hauls ... reporting of fish by-catch in the commercial krill fishery catch data. There was a high degree of overlap in ... Title:  Fish by-catch in the krill fishery: 2017 update Approval:  Approved Secretariat Workflow Status ...

   Meeting Document : WG-FSA-17/04 : Auteur(s): CCAMLR Secretariat

7. The distribution of spatial management and Antarctic krill catch across pelagic bioregions in the Southern Ocean

   measures in the Southern Ocean.  We used the GIS in combination with catch data and the results of the 2007 ... conservation planning for developing marine spatial protection. Our analysis of catch data focused on the ... Antarctic krill fishery, which accounted for 92% of catch biomass in the Southern Ocean in 2010/11 (CCAMLR ... season. However, catch limits were unevenly distributed within this open area due to regional differences ...

   Meeting Document : WG-EMM-12/15 : Auteur(s): S.M Grant, S.L. Hill and P. Fretwell (United Kingdom)

8. Catch Uncertainty in Krill Fisheries

   Abstract:  Catch uncertainty is a component of uncertainty that is not routinely considered by ... reported catch of 600 000t could actually represent a catch in ‘green weight’ of 2.5 million tonnes ... well as the product composition of catches. Author(s):  Secretariat Title:  Catch Uncertainty in Krill ...

   Meeting Document : WG-EMM-08/46 : Auteur(s): Secretariat

9. A review of rattail (Macrourus spp.) and skate by-catch and analysis of standardised CPUE, for the exploratory fishery in the Ross Sea (CCAMLR Subareas 88.1 and 88.2) from 1997/98 to 2004/05

   were vessel, area, and depth. Catch rates of rattails were highest along the shelf edge (SSRUs 88.1E ... rattail catch rates between different vessels. Examination of vessel characteristics showed that catch ... Korean vessels had extremely low catch rates compared to other vessels. Standardised CPUE of rattails has ... determine factors influencing catch rates of skates from either C2 or observer data because a proportion of ...

   Meeting Document : WG-FSA-05/24 : Auteur(s): S.L. Ballara and R.L. O’Driscoll (New Zealand)

10. Assessment of yield and status of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean: implications for managing by-catch in CCAMLR fisheries

    catch rates of M. carinatus in longline fisheries targeting Dissostichus eleginoides. Applying the ... critical y to the mean density observed in the survey results gives a catch rate of 5.81 kg/km2 which ... % of the total catch allowed for D. eleginoides in fine scale areas in new and exploratory fisheries ... . This catch rate may be useful in setting general by-catch rules for M. carinatus to protect the species ...

    Meeting Document : WG-FSA-99/69 : Auteur(s): E.M. van Wijk, A.J. Constable, R. Williams and T. Lamb (Australia)

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