Search results
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Report on the status of wandering, black-browed and grey-headed albatrosses at South Georgia
conducted in the mid 1980s, numbers of these two species appear to have decreased by 26% and 14 ... trends at South Georgia. The decline in wandering albatrosses is even more pronounced: 30% (1.8% p.a ... year. Unless these long-term declines can be halted or reversed, there must be some doubt over the long ... in the mid 1980s, numbers of these two species appear to have decreased by 26% and 14%, respectively. However ...
Meeting Document : WG-FSA-04/71 : Author(s): S. Poncet (United Kingdom),G. Robertson (Australia), R. Phillips (United Kingdom), K. Lawton (Australia), B. Phalan, J. Croxall and P. Trathan (United Kingdom)
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longline
Islands EEZ (southern Indian Ocean). As the two species remove the entire fish from the hooks whether ... they depredate longline hooks separately or simultaneously, this study aimed at providing two indirect methods ... of assessment of depredated biomass over a 11-year period (from 2003 to 2013), both accounting for spatial ... t of Patagonian toothfish were respectively depredated by killer whales and sperm whales when the two species ...
Meeting Document : WG-FSA-14/10 : Author(s): N. Gasco, P. Tixier, G. Duhamel and C. Guinet (France)
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Monitoring of relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, in years 2000 to 2003
has continued in Potter Cove from 2000 to 2003, covering a continuous sampling period of twenty years ... . At Harmony Cove, the relative abundance of N. rossii showed an increase in years 2002-2003, whereas ... G. gibberifrons was absent in the catches. No recovery of the stocks of these two fish species was still observed ... , more than two decades after the end of the commercial fishery. However, the increase observed ...
Meeting Document : WG-FSA-03/89 : Author(s): E. Barrera-Oro, E. Marschoff, R. Casaux and B. Gonzalez (Argentina)
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Density estimation of Antarctic krill (Euphausia superba) around South Shetland Island and Elephant Island (Subarea 48.1) using two frequencies with 38 and 120 kHz
an acoustics survey. Acoustic data were collected using two frequencies with 38 and 120 kHz from March 8 to 15 ... and Elephant Island (Subarea 48.1) using two frequencies with 38 and 120 kHz Microsoft Word File: asam-2019 ... survey. Acoustic data were collected using two frequencies with 38 and 120 kHz from March 8 to 15 in 2019 ... Island (Subarea 48.1) using two frequencies with 38 and 120 kHz ...
Meeting Document : SG-ASAM-2019/03 Rev. 1 : Author(s): S. Choi, S. Chung, I. Han, W. Oh, D. An and K. Lee
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On necessity of longline fishery and research of Antarctic toothfish in all SSRUs of Subareas and Divisions 88.1, 88.2, 58.4.1, 58.4.2
of toothfish migrations by tagging results. The mentioned system shortcomings require its revision ... of toothfish migrations by tagging results. The mentioned system shortcomings require its revision ...
Meeting Document : WG-FSA-10/36 : Author(s): K.V. Shust, A.F. Petrov, V.A. Tatarnikov and I.G. Istomin (Russia)
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Time series of Antarctic krill estimates around the South Shetland Islands from 2013 to 2019
during the last 6 years, increased from 20.22 g m-2 in December 2013 to 70.13 g m-2 in February 2019 ... the last 6 years, increased from 20.22 g m-2 in December 2013 to 70.13 g m-2 in February 2019. ... . Distribution of Antarctic krill for the 2013/14 to 2015/16 and the 2017/18 to 2018/19 fishing seasons were ... the South Shetland Islands, one of the major fishing ground for Antarctic krill in Area 48. Acoustic data ...
Meeting Document : SG-ASAM-2019/04 Rev. 1 : Author(s): X. Yu, X. Wang, X. Zhao, J. Zhang, G. Fan, Y. Ying and J. Zhu
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man made debris at Bird Island, South Georgia, during the 2006 winter and 2006/07 breeding season
entanglements (41) and animals with severe wounding (20) was the highest recorded in 14 years, whilst the recent ... . The increase in the number of winter entanglements (41) and animals with severe wounding (20) was the highest ... recorded in 14 years, whilst the recent escalation in summer entanglements since 2004/05 is also a cause ...
Meeting Document : SC-CAMLR-XXVI/BG/17 : Author(s): Delegation of the United Kingdom
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Annual Report from SCAR to CCAMLR
hopes to continue to explore with CCAMLR areas where the two organisations can work together in mutually ... to explore with CCAMLR areas where the two organisations can work together in mutually beneficial ways ... that are of potential interest to CCAMLR as well as areas where the two organizations are already cooperating. Annual ... ) to work on climate change communications, which will be a significant activity over the next year ...
Meeting Document : CCAMLR-XXX/BG/15 : Author(s): Submitted by SCAR
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The Ross Sea, Antarctica, where all ecosystem processes still remain for study
are composed of two related biotic systems: the Ross Sea Shelf Ecosystem (RSShE) and the Ross Sea Slope ... the past 45 years. In particular the activities of the US, NZ and Italian Antarctic programs have been ... to the south; and the Southern Ocean, Pacific Sector, to the north. Its waters are composed of two related ... of the geology, physics and biology of the Ross Sea over the past 45 years. In particular the activities ...
Meeting Document : WG-EMM-02/60 : Author(s): D. Ainley (USA)
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Effect of orientation on broadband acoustic scattering of Antarctic krill Euphausia superba: implications for inverting zooplankton spectral acoustic signatures for angle of orientation
and video footage from several Antarctic krill were carried out to determine the effect of animal ... Classification (CMVC) approach, using generic and animal-specific theoretical and empirical model spaces ... . The animal-specific empirical model space was best able to invert for angle of orientation. The CMVC ... footage from several Antarctic krill were carried out to determine the effect of animal orientation ...
Meeting Document : WG-EMM-99/41 : Author(s): L.V. Martin Traykovski (USA), R.L. O’Driscoll (New Zealand) and D.E. McGehee (USA)