Résultats de la recherche

1. An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island

   conducted in 1990, 1992, 1993 and 1997. The assessments include estimates of all the parameters required ... of 900 tonnes in the 1997/98 season and 600 tonnes in 1998/99. File:  06delamare-etal.pdf ... respectively. The effects of a constant catch level (in tonnes) over a 20-year period were evaluated. The ... years from the two abundant cohorts of 1 500 tonnes, comprising 900 tonnes in the first year and 600 ... will be shown below, have different age structures in the same year and appear to have differences in ... (see de la Mare, 1994a for details). The estimated density of a given year class in a stratum was ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Auteur(s): de la Mare, W.K., R. Williams and A.J. Constable

2. A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty

   the spawning stock biomass in accordance with CCAMLR criteria. These specify a bound on the ... specify growth, mortality, age-dependent selectivity and seasonal patterns in fishing mortality. Results ... -exploitation spawning biomass at some time over the 20-year projection period is equal to 10%. + Values in ... ) 1.21 I 0 10 20 30 40 50 60 Length (mm) Selectivity (b) 1.6 1 1 0 2 4 6 Age (years) Relative ... Uncertainty (a) Run 1 Biomass (thousand tonnes) Recruits (millions) 0 10 20 30 40 50 Years (b) Run 2 ... one-year projection, the exit numbers in each age class are assigned to the next highest age class ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Auteur(s): Constable, A. and W.K. de la Mare

3. Anthropogenic feather soiling, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 1998/99

   , marine debris and fishing gear associated with seabirds at breeding sites at South Georgia. In this, the ... sixth year of standardised recording, an unprecedented quantity of line originating from fishing vessels ... was recorded in association with wandering albatrosses. Quantities of fishing gear remained within the ... fishing debris for the first time in this study. Feathersoiled (oil, tar or paint) grey-headed and black ...

   Meeting Document : SC-CAMLR-XVIII/BG/07 : Auteur(s): Delegation of the United Kingdom

4. Updated species profile for Antarctic toothfish (Dissostichus mawsoni)

   concentrated on drawing together mostly unpublished data on D. mawsoni biology including distribution and ...

   Meeting Document : WG-FSA-10/24 : Auteur(s): S.M. Hanchet (New Zealand)

5. e-sc-xxxiv-a4.pdf

   ... Potential input into WG-EMM on the use of fishing vessel-based acoustic data in the 2015/16 multinational ... hosting the meeting. Dr Zhao also thanked Dr R. Kloser for his participation in the meeting as an invited ... pleasure to host this meeting of SG-ASAM in the harbour city of Busan, the second largest city in Korea ... participants a happy stay in Busan and a productive and successful meeting. 1.3 The Subgroup has been application/pdf attached to:SG-ASAM-15

   Meeting Report : SG-ASAM-15

6. Beach debris survey – Main Bay, Bird Island, South Georgia 1996/97

   revealed a total of 289 items, 60 % less than in the two previous years. Of the total number of items, 62 ... use. The reduction in man-made debris compared to the two previous years may reflect a reduction in ... Abstract:  The seventh year of surveys of beached man-made debris at Bird Island, South Georgia ... % (n = 180) were collected during the summer, only the second year on record when then summer ...

   Meeting Document : CCAMLR-XVII/BG/7 : Auteur(s): Delegation of the United Kingdom

7. Fishery Report: Dissostichus eleginoides Crozet Island inside the French EEZ (Subarea 58.6)

   France in its EEZ extends from 1 September to 31 August of the following year, the season used in this ... report is the CCAMLR season (1 December to 30 November of the following year). 40°E 45°E 50°E 55°E 60 ... /97 to 0.2 kg/hook in 2010/11. Effort by month and year from the longline fishery is summarised in ... and then declined in more recent years. 8. Depredation has an impact on the catch landed from each ...

   Document : Site Section: Publications

8. Comments on the development of a Dissostichus mawsoni Population Hypothesis for Area 48. Proposals on the WS-SM-18 advice to the to the Scientific Committee and its Working Group

   Abstract:  Taking into account the results of the WS-DmPH workshop (Berlin, 2018), proposals are ... mawsoni life history and to facilitate the assessment of its stock in Area 48. Author(s):  Delegation of ...

   Meeting Document : WS-SM-18/09 : Auteur(s): Delegation of the Russian Federation

9. Are krill recruitment indices from meso-scale survey representative for larger areas?

   ) and two-year old (R2) krill differ substantially between years. However, results were in conformity ... classes of the age-one-group which occur in the samples of some years. Author(s):  V. Siegel (Germany ... Abstract:  The present contribution uses data from German surveys in the 1980’ies and the US LTER ... programme which continuously collected krill demography data since 1993 during the austral summer season in ...

   Meeting Document : WG-EMM-02/20 : Auteur(s): V. Siegel (Germany), R.M. Ross and L.B. Quetin (USA)

10. Fishing equipment, marine debris and hydrocarbon soiling associated with seabirds at Bird Island, South Georgia, 2004/05

    such annual report. As in previous years, more items of fishing gear (mostly longlining gear) were ... found in association with wandering albatrosses than with any other species, although the total number ... being typical of those used in the Patagonian Toothfish industry. Wandering albatrosses also collected ... indicate a reduction in fishing equipment and debris collected there are still significant effects from ...

    Meeting Document : SC-CAMLR-XXIV/BG/14 : Auteur(s): Delegation of the United Kingdom

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