Résultats de la recherche

1. Preliminary assessment of Champsocephalus gunnari on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002

   potentially enter the fishery towards the end of the season. Author(s):  A.J. Constable, R. Williams and T ... 58.5.2 in the vicinity of Heard Island in May 2002 to provide the information for an assessment of yield ... in the 2002/2003 CCAMLR season. This paper provides a preliminary assessment of yield using the ... assessment methods of CCAMLR and discusses the implications of these results in relation to previous CCAMLR ...

   Meeting Document : WG-FSA-02/47 : Auteur(s): A.J. Constable, R. Williams and T. Lamb (Australia)

2. Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3

   Paper Title:  Performance and geometry of the FP-120 trawl used during UK fish stock assessment ... surveys around South Georgia, Subarea 48.3 Abstract / Description:  Methods for calculating the horizontal ... opening (and, thus, swept area) of a bottom trawl are discussed. In situ measurements of the FP-120 trawl ... used during the 1993/94 UK fish stock assessment survey around South Georgia on the MV Cordella are ... , swept area S can be estimated at the ith location by: start and end of each tow using a Furuno GPS ... measurements of the horizontal opening resulted. The mountings of the sensors were checked at the end of each ... tow was recorded by the ship's echo sounder (Furuno model 780/782). Timing of the Start and End of ... which slows down the ship. The end of the tow, i.e. when the trawl came off the bottom and stopped ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Auteur(s): Pilling, G. and G. Parkes

3. Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019

   of the two northern strata and at the western end of Shag Rocks, with one high catch recorded in the ... Abstract:  The UK undertook a bottom trawl survey of CCAMLR sub-Area 48.3 on the FV Sil between ... the 27thth January and 5th February 2019. A total of 73 random and representative hauls were completed ... in 2017, but is comparable with the long term average. The highest catches were on the moraine banks ...

   Meeting Document : WG-FSA-2019/20 : Auteur(s): S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier

4. ESTIMATING THE SWEPT AREA OF DEMERSAL LONGLINES BASED ON IN-SITU VIDEO FOOTAGE

   . Footage revealed that after setting the line moved very little, despite cross currents. During hauling ... video camera recorded the interactions between the main line and the benthos during setting and hauling ... , the section of line visible to the camera swept sideways, interacting with sessile benthic organisms ... before leaving the seafloor. Based on an estimate of the rate of sideways movement, the total time ...

   Meeting Document : WG-FSA-08/58 : Auteur(s): D. Welsford and R. Kilpatrick (Australia)

5. Deployment of research hauls in the exploratory fisheries for Dissostichus spp. in Subareas 48.6 and 58.4 in 2010/11

   vessel’s arrival at the SSRU. As of the end of June 2011, five vessels (Hong Jin No. 701, Insung No.7 ... Abstract:  In November 2010, the Secretariat allocated 1405 random starting positions for research ... 58.4.3a in 2010/11. The positions were allocated in accordance with Conservation Measure 41-01 and the ... advice of the Scientific Committee, and using information held by the CCAMLR Data Centre. Vessels were ...

   Meeting Document : WG-SAM-11/04 : Auteur(s): Secretariat

6. Recommendation for an explicit limit reference point for the mackerel icefish (Champsocephalus gunnari) fishery in CCAMLR Statistical Division 58.5.2

   limit recommended by the decision rules is below 100 tonnes in the first year after a survey has been ... Abstract:  Large fluctuations in abundance are a persistent feature of the populations of mackerel ... icefish (Champsocephalus gunnari) in the waters adjacent to Heard Island and the McDonald Islands in ... CCAMLR Statistical Division 58.5.2. The current decision rules for setting catch limits for icefish ...

   Meeting Document : WG-FSA-11/34 : Auteur(s): Delegation of Australia

7. Incidental mortality of seabirds associated with longline fishing in Subarea 48.3 – preliminary results of scientific observations onboard the Chilean longliner, Puerto Ballena, from March to May 1996

   -chinned petrels appeared to decline towards the end of April/begriming of May. The estimated total catch ... Abstract:  Estimates of the number of seabirds taken incidentally in longline fisheries on ... observations on the by-catch of seabirds during a cruise of the Chilean longliner 'Puerto Ballena' in ... dead white-chinned petrels were reported by the observer and crew members. In addition 21 black-browed ...

   Meeting Document : WG-FSA-96/31 : Auteur(s): Selling, J., Kock, K.-H.

8. Recent trends in numbers of four species of penguins at the Prince Edward Islands

   in numbers of king penguin chicks that survived to the end of the winter period, but there was ... pairs of king penguins were incubating eggs at Marion Island, the larger of the two islands in the group ... considerable fluctuation in chick production in the 1990s. It was roughly estimated that on average 88% of king ... penguin chicks survived the winter period (from April to September/October). Numbers of gentoo penguins at ...

   Meeting Document : WG-EMM-10/P01 : Auteur(s): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper

9. Interannual variability of polynya extent in the Antarctic Ocean

   are trending upper after the latter half of the 1980s. The time series around the Antarctic Peninsula ... ), coastal polynya and open ocean polynya, in the Southern Ocean. Polynya accelerates oceanic and atmospheric ... processes by exposing the surface of ocean to the atmosphere. Additionally, we think that the coastal ... polynyas influence biological activity in the winter and spring season. However, there are no minute ...

   Meeting Document : WG-EMM-01/34 : Auteur(s): M. Naganobu and K. Segawa (Japan)

10. Changes in the fish biomass around Elephant Island (Statistical Subarea 48.1) from 1976 to 1996

    finfishing from 1989190 onwards. Results of the first bottom trawl survey carried out after the closure of ... Abstract:  Finfish stocks in the Antarctic Peninsula region (CCAMLR Statistical Subarea 48.1) have ... been exploited from 1978179 to 1988189 with most of the commercial harvesting taking place in the first ... two years of the fishery. Results of bottom trawl surveys conducted by Germany in the vicinity of ...

    Meeting Document : WG-FSA-97/27 : Auteur(s): Kock, K.-H.

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