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1. A small unmanned aerial system for estimating abundance and size of Antarctic predators

   studies, but can be difficult in remote settings such as Antarctica. Recent advances in the development of ... Abstract:  Quantifying the distribution and abundance of predators is integral to many ecological ... new tool for studying the distribution and abundance of predator populations. We detail our experience ... from the first use of VTOLs for estimating abundance, colony area, and density of krilldependent ...

   Meeting Document : WG-EMM-15/P06 : Автор(ы): M.E. Goebel, W.L. Perryman, J.T. Hinke, D.J. Krause, N.A. Hann, S. Gardner and D.J. LeRoi

2. Accumulation of stranded plastic objects and other artefacts at Inaccessible Island, central South Atlantic Ocean

   sources had increased by at least 120 per cent, suggesting a recent increase in the density. of artefacts ... m boulder beach at the western point of Inaccessible Island, central South Atlantic Ocean. This ... repeated the survey made at the same site during 1984, when the highest density of artefacts at the Tristan ... Inaccessible Island. The minimum rate of artefact accumulation was 88 objects km-1 year-1. Total numbers of ...

   Meeting Document : CCAMLR-VII/BG/04 : Автор(ы): P.G. Ryan and B.P. Watkins (South Africa)

3. Population trends of albatrosses and petrels at sub-Antarctic Marion Island

   , could be contributing to the recent decreases in some of these species. Adoption of mitigation measures ... Abstract:  We report on the population changes of five species of Procellariiform seabirds ... during the early to mid-1990s. Recently, all species have once again stabilized or decreased in numbers ... and can be explained by changes in tuna (Thunnus spp.) longline fishing effort in the southern Indian ...

   Meeting Document : WG-FSA-01/11 : Автор(ы): D.C. Nel, P.G. Ryan, R.J.M. Crawford, J. Cooper and O. Huyser (South Africa)

4. Performance of an acoustic sonde design

   is widely recognized. At a U.S. GLOBEC workshop in 1991, one of the considered problems was measuring ... Abstract:  The potential of multi-frequency acoustic technology for quantifying fish and plankton ... macrozooplankton and micronekton. It was concluded that in order to survey animals in the size range 0.5-5 cm, it ... would be expedient to use at least three and perhaps as many as 8-10 frequencies in the range 38-420 kHz ...

   Meeting Document : WG-EMM-95/09 : Автор(ы): Foote, K.G.

5. Effect of missing modes on calibration sphere target strengths (ICES CM 1996/b: 37, Fish Capture Committee)

   used in the calibration of echo sounder systems, can be affected by the manner of suspension. This ... hypothesis is investigated in the context of reported experimental calibration trials with the SIMRAD EK500 ... reported measurement conditions for a series of cases in which single vibration modes remain unexcited. The ... is not supported by the data. Author(s):  Foote, K.G. Title:  Effect of missing modes on calibration ...

   Meeting Document : WG-EMM-96/46 : Автор(ы): Foote, K.G.

6. An assessment of temporal variability and interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island

   Abstract:  We examined temporal variability in a series of CEMP parameters collected over the ... the correlation of each parameter with breeding success. Breeding success was measured in terms of 1 ... sex of the foraging birds and the timing of foraging trips were important in determining whether ... ) the absolute number of chicks on the island which fully crèche and 2) the number of chicks crèched per ...

   Meeting Document : WG-EMM-02/46 : Автор(ы): L.M. Emmerson, J. Clarke, K. Kerry and C. Southwell (Australia)

7. Global relationships amongst black-browed albatrosses: analysis of population structure using mtDNA and microsatellites

   five island groups in the Southern Ocean. High levels of sequence divergence were found in both taxa ... could be the result of differences in foraging and dispersal patterns. Breeding black-browed albatrosses ... Abstract:  The population structure of black-browed (Thalassarche melanophris and T. impavida) and ... (T. impavida). T. melanophris from Campbell Island contain birds from each of the three groups ...

   Meeting Document : WG-FSA-01/19 : Автор(ы): T.M. Burg and J.P. Croxall (United Kingdom)

8. An exploratory analysis of skate speciation using DNA identification techniques

   region, were sequenced in specimens of Antarctic skates from the Ross Sea (Pacific Ocean sector), the ... Abstract:  Two regions of the mitochondrial DNA, part of the cytochrome b gene and the control ... Islands (Atlantic Ocean sector). Based on the DNA results, the species of Bathyraja referred to as B ... . eatonii in the Ross Sea appears to be a discrete sister species to B. eatonii from the Atlantic sector. In ...

   Meeting Document : WG-FSA-04/27 : Автор(ы): P.J. Smith and S.M. McVeagh (New Zealand)

9. Species profile of mackerel icefish (Champsocephalus gunnari)

   and became the target species of fisheries in many parts of the low-Antarctic from 1975 to 1990 ... ’s with annual catches of a few thousand tonnes in each of the two areas. Aspect of the biology and ... exploitation of the species have been summarized in Kock and Everson (2003) and Kock (2005). Additional ... . Exploitation has been limited to South Georgia and Heard and McDonald Islands since the second half of the 1990 ...

   Meeting Document : WG-FSA-07/12 : Автор(ы): K.-H. Kock (Germany) and I. Everson (UK)

10. Fishing patterns of Japanese krill trawlers

    , 30nm, and 60nm). Distribution of the operation units showed considerable variation in space and time ... expressing the status of krill in the fishing ground. Catch per fishing days maybe the reasonable index for ... expressing the status of krill in the fishing ground. Author(s):  S. Kawaguchi, T. Kameda and Y. Takeuchi ... strategies, especially focusing on their movement in time and space. The operations were grouped into ...

    Meeting Document : WG-EMM-02/28 Rev. 1 : Автор(ы): S. Kawaguchi, T. Kameda and Y. Takeuchi (Japan)

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