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1. Comparison of equal-area cylindrical and circular piston transducers

   manufacturer at a total of 11 frequencies spanning the range 27-710 kHz. Nominal power levels assigned to the ... Abstract:  Design of sondes for in situ measurement of zooplankton or other scatterers requires ... choosing among alternative transducer geometries. This contribution addresses the problem of choosing ... between cylindrical and circular piston transducers by comparing the performance of the two according to ...

   Meeting Document : WG-EMM-95/08 : Автор(ы): Foote, K.G.

2. CONVENORS’ REPORT OF THE WG-IMAF WORKSHOP

   Abstract:  This paper reports on the one-day workshop held at the CCAMLR Headquarters, Hobart ... , Australia on 10th October 2008 to review the future of the ad hoc WG-IMAF. The workshop briefly reviewed the ... history of ad hoc WG-IMAF and considered the current work programme of CCAMLR with respect to the current ... and future role of ad hoc WG-IMAF. The workshop briefly considered future scenarios under which it ...

   Meeting Document : WG-FSA-08/65 : Автор(ы): K. Rivera and N. Smith (Co-conveners of ad hoc WG-IMAF)

3. The random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the waters surrounding Heard Island (Division 58.5.2) for 2017

   Abstract:  The annual random stratified trawl survey (RSTS) of 2017 at HIMI was conducted during ... April, with the completion of 163 stations. The survey has been conducted on the FV Atlas Cove since ... 2015. Sampling protocols such as the design and the duration of the hauls were similar to recent ... surveys, but with a new set of randomly selected station points. The unstratified density of Dissostichus ...

   Meeting Document : WG-FSA-17/14 Rev. 1 : Автор(ы): G.B. Nowara, T.D. Lamb and P. Ziegler

4. Report on the activities of the Scientific Committee on Antarctic Research (SCAR) 2005/06SCAR Observer to CCAMLR

   on marine acoustic studies at the University of Cadiz, Spain in January 2006. A summary is provided ... directly to CCAMLR or are of potential interest to CCAMLR. This includes a report on the SCAR XXIX ... and Biodiversity in the Antarctic (EBA) and the Census of Antarctic Marine Life (CAML) projects. CAML ... for CCAMLR. The activities of the Expert Groupss of Birds and Seals are summarised, as well as new ...

   Meeting Document : CCAMLR-XXV/BG/22 : Автор(ы): SCAR Observer to CCAMLR(G. Hosie, Australia)

5. Results of the mark–recapture experiment in Subarea 48.3, 2005

   Abstract:  The mark-recapture experiment continued at South Georgia in 2005. In total some 8000 ... – distributed over the whole of the fishable grounds in 48.3 this year. The Petersen mark-recapture estimator ... from 2004 and 2005 were very similar to each other, whichever selectivity was used: about 62,000 t of ... selectivity functions are more peaked than the Kirkwood shallow selectivity used in 2004. Estimates of ...

   Meeting Document : WG-FSA-05/17 : Автор(ы): D.J. Agnew and A. Payne (United Kingdom)

6. A study of UK and Russian surveys using acoustics to augment trawling methods in shelf waters off South Georgia (Subarea 48.3)

   Abstract:  In 2001/2002 Russian and UK vessels undertook surveys for icefish at South Georgia ... differences between the surveys and discuss how much of the variation between the vessels was due to ... differences in the gear used and how much was due to natural spatial/temporal variability of the stock. The ... portion of icefish biomass was located in the water column. Thus the traditional approach of using bottom ...

   Meeting Document : WG-FSA-02/56 : Автор(ы): S. Kasatkina, P. Gasyukov (Russia), C. Goss, I. Everson, M. Belchier, T. Marlow, A. North and M. Collins (United Kingdom)

7. The recent decline in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1)

   recruitment of G. gibberifrons was normal. Recruitment began to decline substantially at the turn to the 2000 ... Abstract:  Commercial exploitation of fish stocks around Elephant Island and the lower South ... Shetland Islands ceased after the 1989/90 season. One of the larger and most abundant species in the area ... perturbations on a fish stock by recruitment failure as one of them. Data from the 1980’s and 1990’s (1983, 1985 ...

   Meeting Document : WG-FSA-12/20 : Автор(ы): K.-H. Kock (Germany) and C.D. Jones (USA)

8. Stock structure of Antarctic toothfish in Statistical Area 88 and implications for assessment and management

   Abstract:  We review the stock structure of Antarctic toothfish in Statistical Area 88 with the ... aim of characterising the likely stock boundaries relative to stock assessments. We include ... biological stocks with limited mixing, especially at adult stages: a Ross Sea Region stock and an Amundsen ... complex of SSRU 88.2H. Key information needs to further understand stock structure include characterising ...

   Meeting Document : WG-SAM-14/26 : Автор(ы): S.J. Parker, S.M. Hanchet and P.L. Horn (New Zealand)

9. Satellite tracking of black-browed and light-mantled sooty albatrosses from Heard Island and potential interactions with fisheries

   Abstract:  The purpose of this document is to inform CCAMLR of the results of a satellite tracking ... program on black-browed albatrosses and light-mantled sooty albatrosses at Heard Island (Division 58.4.2 ... ). This was the first time the movements of either species from the island had been studied. Ten black ... foraged on the shelf break within 150 km of Heard Island, and focused 75% of their foraging time in waters ...

   Meeting Document : WG-FSA-05/14 : Автор(ы): K. Lawton, R. Kirkwood and G. Robertson (Australia)

10. An underwater setting method for surface longliners, to minimise the accidental/incidental capture of seabirds

    Abstract:  The accidental/incidental capture of seabirds by longline gear may be causing a ... significant decline in the numbers of some species (most notably albatross Diomedea sp) in the Southern Oceans ... . In response to the sea bird problem, the New Zealand Department of Conservation funded a programme in ... trials to the setting depth of 1.5 metres. A second trial was undertaken with the backward facing U tube ...

    Meeting Document : WG-FSA-97/53 : Автор(ы): Walshe, K.A.R., Parnes, P.

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