Результаты поиска

1. Report on the status of wandering, black-browed and grey-headed albatrosses at South Georgia

   photography and subsequent counting on computer screen using Adobe Photoshop software. In total, an estimated ... %, respectively. However, comparison of annual totals for Bird Island, which was censused on both occasions mainly ... conducted in the mid 1980s, numbers of these two species appear to have decreased by 26% and 14 ... by ground counts, indicate more rapid declines: 4.0% p.a. from 1989/90-2003/04 for black-browed ...

   Meeting Document : WG-FSA-04/71 : Автор(ы): S. Poncet (United Kingdom),G. Robertson (Australia), R. Phillips (United Kingdom), K. Lawton (Australia), B. Phalan, J. Croxall and P. Trathan (United Kingdom)

2. IMPLEMENTATION OF CCAMLR OBSERVER PROGRAM ON KRILL FISHERIES

   Abstract:  The aim of this document is to serve as an objective guideline to decide on an ... , together with haul-by-haul fine-scale data were used to identify the target SSMUs and the critical periods ... providing systematic observer coverage, with 100% vessel time coverage to ensure viable data collection. An ... urgent need for capacity building by all fishing nations is re-iterated so that a large number of ...

   Meeting Document : TASO-09/07 : Автор(ы): Kawaguchi, S.

3. Population of macaroni penguins Eudyptes chrysolophus at Marion Island, 1994/95 to 2002/03, with information on breeding and diet

   fledged on average 0.46 chicks per year, an amount thought insufficient to maintain the population ... , macaroni penguins usually breed for the first time when aged about three years. From 1994/95–2002/03, pairs ... from about 405 000 pairs in 1983/84 and 434 000 pairs in 1994/95 to about 356 000 pairs in 2002/03. Two ... large colonies, at Bullard Beach and Kildalkey Bay, account for about 85% of the overall population. At ...

   Meeting Document : WG-EMM-03/15 : Автор(ы): R.J.M. Crawford, J. Cooper and B.M. Dyer (South Africa)

4. Informing the Working Group on Fish Stock Assessment about the revisions of the WSMPA proposal

   and the EU has submitted a revised CM proposal to CCAMLR 2018. This document is based on similar ... documents submitted to WG SAM 2018 and the CCAMLR Workshop on Spatial Management (WS-SM-18). It intends to ... : Unifying the previously two separate WSMPA parts into one coherent WSMPA by closing the gap on the eastern ... effects of harvesting on Antarctic marine living resources and for achieving the WSMPA specific objectives ...

   Meeting Document : WG-FSA-18/08 Rev. 1 : Автор(ы): S. Hain, K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA project team

5. Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz

   collected per animal. Orientation data were recorded on video. The acoustic data were analyzed and target ... strengths determined from each echo. A method was developed for estimating the three-dimensional orientation ... of the krill based on the video images and was applied to five of them, giving their target strengths ... as functions of orientation. Scattering models based on a simplified distorted-wave Born ...

   Meeting Document : WG-EMM-99/42 : Автор(ы): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)

6. A perspective on steepness, reference points, and stock assessment

   Abstract:  We provide a perspective on steepness, reference points for fishery management, and ... construct a prior for steepness. Ways out of the difficult situation raised by fixing steepness and life ... these patterns. For the production model, we derive explicit relationships for steepness and life ... history parameters and then for steepness and major reference points. For the age-structured model, we are ...

   Meeting Document : WG-FSA-14/P05 : Автор(ы): M. Mangel, A.D. MacCall, J. Brodziak, E.J. Dick, R.E. Forrest, R. Pourzand and S. Ralston

7. Preliminary results of the experiments on the krill transport study in the South Orkney area (April 1992)

   based on these values. In the.first two dublicates the aggregation of krill was observed within the ... within the square of 30 x 30 miles northwestwards of Coronation Island in the fishing fleet operation ... dublicates of perimeter were made. Control hauls with midwater trawl were made on the regular basis. The ... water flow and geostrophic currents. The balance of krill input and output for the square was calculated ...

   Meeting Document : WG-CEMP-92/34 : Автор(ы): L.G. Maklygin, V.N. Shnar, A.P. Malyshko (Russian Federation) and A.G. Shepelev (Ukraine)

8. Adélie penguin colony size predicts south polar skua abundance on Ross Island, Antarctica

   carrion. We estimated skua abundance at Adélie penguin colonies on Ross Island in two consecutive years ... near Adélie penguin (Pygoscelis adeliae) colonies, feeding on fish, penguin eggs and chicks, and ... and tested for a relationship between these estimates and penguin colony sizes. We used distance ... sampling to estimate numbers of skuas and skua breeding pairs (based on nests), at five penguin nesting ...

   Meeting Document : WG-EMM-14/55 : Автор(ы): D.J. Wilson, P.O’B. Lyver (New Zealand), A.L. Whitehead (Australia), T.C. Greene (New Zealand), K. Dugger (USA), B.J. Karl, J.R.F. Barringer, R. McGarry (New Zealand), A.M. Pollard and D.G. Ainley (USA)

9. A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2013 random stratified trawl survey

   both abundance and biomass. Two scenarios for harvest are presented – a typical two year projection of ... icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79° 20’ E ... the population, and a projection accounting for the fact that the abundant 3+ year class is likely to ... be unavailable beyond 2013/14. Under the first scenario, a catch limit of 764 t is recommended for ...

   Meeting Document : WG-FSA-13/23 : Автор(ы): D.C. Welsford (Australia)

10. Measurements of sound-speed and density contrasts of Antarctic krill (Euphausia superba) on board RV Kaiyo Maru

    an acoustical scattering model, information on size, morphology, orientation, sound–speed and mass ... -density contrasts between the animal and the surrounding water are required. Sound-speed and mass-density ... -speed and density contrasts of Antarctic krill (Euphausia superba) on board RV Kaiyo Maru Approval ...

    Meeting Document : WG-EMM-08/56 Rev. 1 : Автор(ы): Y. Takao, H. Yasuma, R. Matsukura, K. Amakasu and M. Naganobu (Japan)

Страницы