Résultats de la recherche

1. Revised research plan for toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2012/13

   aimed the establishment of CASAL catch-at-age model for this Division by 2016/17. Author(s):  Delegation ... three years with an annual research catch of approximately 50 tonnes. The estimate (976 tonnes) using ... 2011/12 fishing season with the aims of providing the data required for assessments of the population ... . An approximate stock biomass level of Dissostichus spp. in the survey area was tentatively estimated ...

   Meeting Document : WG-FSA-12/58 Rev. 1 : Auteur(s): Delegation of Japan

2. Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.2

   .: 30 tonnes; final reported catch: 0 tonnes – whole fishery catch limit for Dissostichus spp.: 70 ... correct for a longline fishery, and that this leads to an increase in the uncertainty of the analysis ... . was 70 tonnes, and catch limits for each SSRU was as follows: A – 30 tonnes; B – 0 tonnes; C – 0 ... estimates. These are the only SSRUs for which depletion estimates were available over several years, from ...

   Document : Site Section: Publications

3. On Ageing Technique for Icefish (champsocephalus gunnari Lönnberg 1905) from South Georgia Island Shelf

   adjustment to age determination of fish longer than 30 cm with an enlarged otolith centre. An age-length key ... . This was done using specimens from strictly’ defined age groups. These radii measurements suggest an ... for the third quarter of the year is appended Author(s):  Zh.A. Frolkina (USSR) Title:  On Ageing ... Technique for Icefish (champsocephalus gunnari Lönnberg 1905) from South Georgia Island Shelf Approval ...

   Meeting Document : WG-FSA-89/19 : Auteur(s): Zh.A. Frolkina (USSR)

4. Theoretical considerations for estimating the density of cohorts and mean recruitment of Patagonian toothfish (Dissostichus eleginoides) based on research trawl survey data

   was an urgent need to review and revise the recruitment series for D.eleginoides in Subarea 48.3 ... , recognizing the importance of obtaining a consistent and reliable recruitment series for review at the 2004 ... analyses; which age groups should be included in the estimation of recruitment, and the need for a clear ... Abstract:  The current method used by the Working Group on Fish Stock Assessment (WG-FSA) for ...

   Meeting Document : WG-FSA-04/92 : Auteur(s): C.R. Davies, E.M. van Wijk and A.J. Constable (Australia)

5. Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.2

   . Conservation Measure 25-02 applies to this fishery and in recent years has been linked to an exemption for ... fishery for Dissostichus spp. in Division 58.4.2 changed to an exploratory longline fishery. 2. In 2008 ... limit for Dissostichus spp. was 70 tonnes, of which no more than 30 tonnes could be taken in SSRU A and ... correct for a longline fishery, and that this leads to an increase in the uncertainty of the analysis ...

   Document : Site Section: Publications

6. Population demography of Antarctic fur seals: the costs of reproduction and implications for life-histories

   age, after accounting for variation due to pregnancy and calendar year. Survival was reduced as a ... age classes with the highest reproductive output (ages 5-8 years). 5. Mean pregnancy rate was 0•70 (SD ... age 3–4 years, pregnancy rate peaked at age 8 years and declined thereafter. Otherwise pregnancy rate ... . 2. Population age structures were used, in conjuction with the measured age-specific survival rates ...

   Meeting Document : WG-EMM-95/26 : Auteur(s): Reid, K., Croxall, J.P., Lunn, N.J., Boyd, I.L.

7. Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b

   January 2009 (catch limit for Dissostichus spp.: 30 tonnes; final reported catch: 31 tonnes). SSRU A was ... closed on 2 February 2009 (catch limit for Dissostichus spp.: 30 tonnes; final reported catch: 28 tonnes ... ). SSRU E was closed on 7 February 2009 (catch limit for Dissostichus spp.: 30 tonnes; final reported ... 3). 20. The Working Group recalled that it had agreed last year (SC-CAMLR-XXVII, Annex 5 ...

   Document : Site Section: Publications

8. Rajid by-catch in the longline fishery for toothfish in Subarea 48.3

   Rocks and South Georgia, achieved average catch rates of over 1 ray/thousand hooks, and 20-30 rays ... was 65-69cm for males and 80-84cm for females, for B. murrayi was 65-69cm and 70-74cm for males and ... 34.7/thousand hooks for toothfish and 2.2/thousand hooks for grenadier species. Generalised linear ... models demonstrated that there are significant differences between the catch rates of rays for different ...

   Meeting Document : WG-FSA-99/40 : Auteur(s): D.J. Agnew, J. Taylor and I. Everson (United Kingdom)

9. Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b

   reclassified as exploratory in 2000. That year, the Commission agreed on four exploratory fisheries for ... Seong No. 829 - 10 6 16 Spain Arnela - 30 67 97 Galaecia - 20 8 28 2005/06 Chile Globalpesca I ... Shinsei Maru No. 3 36 36 21 29 80 3.2 Fixed parameter values 15. None available for this fishery. 4 ... undertaken for this research was not submitted for review by any SC-CAMLR Working Group, and that future ...

   Document : Site Section: Publications

10. A revised estimate of short-term yield for the mackerel icefish (Champsocephalus gunnari) off Heard Island based on a trawl survey in 1998

    in 2000 will be predominantly on Age 5 fish. After this time, catch limits may need to be set at an ... population. Unlike the previous 3 years, the Age 2 cohort in 1998 is very weak and is expected to contribute ... little to the biomass in subsequent years. If recruitment to Age 2 in 1999 is also weak then the fishery ... Shell Bank) in the vicinity of Heard Island enabled a revised estimate of yield for the coming 2 seasons ...

    Meeting Document : WG-FSA-98/54 : Auteur(s): A. Constable and D. Williams (Australia)

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