Search results
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Estimating penguin populations using image analysis of colour aerial photography
Abstract: Penguin populations are potentially sensitive indicators of change in the Antarctic and ... colonies, for colonies in areas of complex terrain, or for colonies where ground access is difficult ... of a computer based image analysis of digitally scanned colour aerial photographs of macaroni penguin ... : Estimating penguin populations using image analysis of colour aerial photography Approval: Approved ...
Meeting Document : WG-EMM-02/34 Text : Author(s): P.N. Trathan (United Kingdom)
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Preliminary analysis of seabird by-catch in the South Georgia icefish fishery
Abstract: We conducted a preliminary analysis on the numbers of birds caught as a bycatch in the ... 92 birds were caught, principally black-browed albatross and white-chinned petrel, with 93% of the ... factors affecting the probability of a haul catching birds, but no significant factors were found that ... could explain the number of birds caught. Differences in the numbers caught in the last three years also ...
Meeting Document : WG-FSA-01/30 : Author(s): D.J. Agnew, N. Ansell and J.P. Croxall (United Kingdom)
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Extending ecological monitoring to underpin the development of feedback management approaches for the Antarctic krill fishery
fishery. Such a management approach may also require the development of a new or extended monitoring ... of the issues associated with the development of a new monitoring programme, outlining one possible ... each. We propose that CCAMLR consider the merits of different approaches over the next two years, so ... that it can agree a way forward and make best use of the recently established CEMP Fund. Author(s ...
Meeting Document : WG-EMM-12/04 : Author(s): P.N. Trathan (UK), H.J. Lynch (USA), C. Southwell (Australia), P.T. Fretwell (UK), G. Watters (USA) and N. Ratcliffe (UK)
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Developing a strategy for coordinated research leading to achievement of the CCAMLR objectives for Antarctic toothfish (D. mawsoni) in Area 48
the objectives of the Commission, across the whole of Area 48. Co-ordinated by WG-SAM and/or FSA, a ... high level strategic approach will allow the formulation of research hypotheses and associated ... and results can be subsequently evaluated. A time schedule, in the form of a project plan with ... meeting its objectives for management of the Convention Area. Author(s): C. Darby and M. Söffker Title ...
Meeting Document : WG-FSA-17/54 : Author(s): C. Darby and M. Söffker
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Responding to the emerging threat of microplastics in the Southern Ocean
microplastics in several different regions of the Antarctic. Microplastics could have negative effects on the ... of laundry water. ASOC and COLTO further recommend that: All operating vessels and research stations ... consider ways to limit potential sources of microplastics and microfibers discharged through grey or ... the amount of microplastic fibers entering the ocean. CCAMLR Members and Observers, as well as SC ...
Meeting Document : SC-CAMLR-XXXVII/BG/18 : Author(s): Submitted by ASOC and COLTO
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Stock assessment of the Patagonian toothfish (Dissostichus eleginoides) at South Georgia
eleginoides, in the vicinity of Shag Rocks, South Georgia. Assessment of this stock is not possible by ... conventional methods because the bulk of the adult population may be dispersed over a wide area in deep water ... whereas the Shag Rocks’ shelf may be a nursery ground for juveniles. An assessment of the stock has been ... stock. Author(s): I. Everson (United Kingdom) Title: Stock assessment of the Patagonian toothfish ...
Meeting Document : WG-FSA-91/20 : Author(s): I. Everson (United Kingdom)
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Size selectivity of the RMT8 plankton net and a commercial trawl for Antarctic krill
Abstract: Net selection of the scientific RMT8 plankton net and a commercial sized pelagic trawl ... underrepresented in the RMT8. For the commercial trawl with a liner mesh size of 12mm the length classes smaller 35 ... and 45 mm are undersampled, probably depending on the size composition of the catch. A preliminary ... study on krill damaged during trawling operations indicates an effect of trawling duration and total ...
Meeting Document : WG-EMM-07/28 : Author(s): V. Siegel (Germany)
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Mortality of macaroni penguins (Eudyptes chrysolophus) at Marion Island caused by avian cholera (Pasteurella multocida) in 2004/05
Abstract: At Marion Island, an outbreak of Avian Cholera Pasteurella multocida killed about 2 000 ... of Macaroni Penguins and other species of seabirds were not affected. In March 1993, an unknown ... or other species of seabird. Author(s): R.J.M. Crawford, B.M Dyer, M.S. De Villiers, G.J.G. Hofmeyr ... and D. Tshingana (South Africa) Title: Mortality of macaroni penguins (Eudyptes chrysolophus) at ...
Meeting Document : WG-EMM-05/37 : Author(s): R.J.M. Crawford, B.M Dyer, M.S. De Villiers, G.J.G. Hofmeyr and D. Tshingana (South Africa)
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By-catch of juvenile fishes – the Antarctic krill fishery
Abstract: One of the non-solved problems in krill exploitation has been the by-catch of fish ... larvae that use (or co-occurred) the krill swarms as their habitat. The detection of this problem started ... quantitative evaluations that give evidences that this technological interaction, is affecting the recovery of ... ): Moreno, C.A. Title: By-catch of juvenile fishes – the Antarctic krill fishery Approval: Approved ...
Meeting Document : WG-FSA-96/18 : Author(s): Moreno, C.A.
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A hydroacoustic survey of Antarctic krill populations in CCAMLR Division 58.4.1
Abstract: The survey design for an integrated biological/physical survey of Division 58.4.1 ... include hydroacoustic determinations of krill distribution and abundance and physical oceanographic ... sampling along 18 regularly spaced transects from the Antarctic coastline to a distance of 180 n miles. The ... data on krill distribution and abundance will be submitted to CCAMLR for the purpose of setting a ...
Meeting Document : WG-EMM-95/43 : Author(s): Nicol, S.