Résultats de la recherche

1. An exploration of the biological data used in the CCAMLR Subarea 48.3 Patagonian toothfish stock assessments

   Abstract:  WG-FSA 2018 noted that changes in productivity parameters may impact assessment ... change. The Working Group recommended that key assessment parameters be reviewed and that changes in the ... fishery dynamics that would impact their estimation be explored. The biological productivity parameters in ... subarea 48.3 are analysed here, particularly whether the proportion of females in the catch, maturity at ...

   Meeting Document : WG-SAM-2019/32 : Auteur(s): E. MacLeod, K. Bradley, T. Earl, M. Söffker and C. Darby

2. Inter-annual variation in condition index of the mackerel icefish Champsocephalus gunnari

   . High condition indices, indicative of good feeding conditions, were present when krill were abundant in ... ):  Parkes, G., Everson, I., Kock, K.-H. Title:  Inter-annual variation in condition index of the mackerel ... the region. Years when krill were scarce and condition index was consequently low, were consistent ... with years when indices from land-based krill predators also indicated krill were scarce. Author(s ...

   Meeting Document : WG-EMM-96/43 : Auteur(s): Parkes, G., Everson, I., Kock, K.-H.

3. Preliminary model of krill fishery behaviour in Subarea 48.1

   the management option of closing the zones around Livingston and Elephant Islands in alternate years ... concentrated in foraging areas of land-based predators in alternate years under this scenario. Author(s):  D.J ... fishery in Subarea 48.1 and estimates the effort applied and the catch of krill in fine-scale squares ... March, compare favourably with the general distribution of catches in Subarea 48.1. A number of ...

   Meeting Document : WG-KRILL-93/14 : Auteur(s): D.J. Agnew (Secretariat)

4. Fishery Report: Closed fishery for Dissostichus spp. (TOT) in Divisions 58.4.4a and 58.4.4b

   ................................................................ 8 Throughout this report the CCAMLR fishing season is represented by the year in which that ... number of fish measured (n) in each year are given at the top of each panel. 2. Stocks and areas 7 ... . eleginoides stock that had been (i) at a median SSB TOT 58.4.4 6 of 20% SSB0 in 2006 (when the ... fishery in Ob and Lena Banks was closed), or (ii) was at a median SSB of 20% in 2009. These scenarios ...

   Document : Site Section: Publications

5. Estimating toothfish biomass in Subarea 48.3 using local depletions

   of 12’ by 12’ where there had been forty or more hauls in any particular year. There were 62 ... CPUE over the four years and multiplying by the total fishable area in Subarea 48.3 we arrived at an ... individual vessel fishing events in these areas over this period, 40 of which appeared to be depletions ... . Applying a Leslie method we derived toothfish densities in these areas which were linearly correlated with ...

   Meeting Document : WG-FSA-SAM-04/18 : Auteur(s): Pearce, J., Agnew, D.

6. Report on recent French catches of sea pens (Pennatulacea) in Lena Bank (CCAMLR sector 58.4.4b)

   Abstract:  Important catches of sea pens (Pennatulacea, NTW) in the 58.4.4b sector (Lena bank ... ) have been reported during the CCAMLR SAM Working Group 2018 (see WG-SAM-18/31 "Annual report of ... research fishing operations at Division 58.4.4b in 2016/17 fishing season" by Japanese and French ... :  Report on recent French catches of sea pens (Pennatulacea) in Lena Bank (CCAMLR sector 58.4.4b) Approval ...

   Meeting Document : WG-FSA-18/23 : Auteur(s): A. Martin, J. Blettery and M. Eléaume

7. Educational observer on board fishing vessels in Brazil

   Abstract:  We inquired several social aspects of two Brazilian crews working in pelagic longline ... fisheries. Settings were made in southeast Brazilian waters between May and August 2004. Daily working ... schedules, habits, as well as leisure habits while onboard were observed and registered. A query was made in ... chances of having mitigation measures applied instinctively onboard in areas where no legislation ...

   Meeting Document : SC-CAMLR-XXV/BG/20 : Auteur(s): Delegation of Brazil

8. Observer coverage in CCAMLR krill fisheries from 2011 to 2015

   past five years comparing the number of days of fishing conducted by vessels in the krill fleet, with ... Abstract:  The issue of observer coverage in krill fisheries has been the subject of extensive ... :  Observer coverage in CCAMLR krill fisheries from 2011 to 2015 Approval:  Approved Secretariat Workflow ... discussion at the Commission for a number of years, as the krill fishery is the only CCAMLR fishery that does ...

   Meeting Document : WG-EMM-16/11 : Auteur(s): CCAMLR Secretariat

9. Development of the krill stock in the elephant island region during the 1996/97 season

   preceeding year-class. In December 1996 adult krill was mostly (68 %) found to be in the prespawning stage ... , indicating an average year for krill reprodution in this area, which is not the optimum starting point for a ... was much higher than in previous years. The krill stock was dominated by length classes around 35 mm ... one order of magnitude lower than in the salp bloom years 1992/93 and 1993/94. Author(s):  Siegel, V ...

   Meeting Document : WG-EMM-97/16 : Auteur(s): Siegel, V.

10. Characterisation of the Antarctic polar frontal zone to the north of South Georgia in summer 1994

    the northern edge of the Antarctic Circumpolar Current (ACC). In a number of areas the position of the ... also been implicated in the movement and retention of various associated mesoscale features. In this ... first. Associated with the PF was a narrow, high-speed flow embedded in broader, slower moving regions ... 30 days suggested that the surface expression of the PF had shifted southward by approximately 35 km ...

    Meeting Document : WG-EMM-97/40 : Auteur(s): Brandon, M.A., Trathan, P.N., Murphy, E.J.

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