Search results
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Reasons of differences between distribution and density of mackerel icefish (Champsocephalus gunnari) aggregations in the South Georgia area during summer and autumn periods in different years from the bottom trawl survey data
years from the bottom trawl survey data Approval: Approved ... gunnari) aggregations in the South Georgia area during summer and autumn periods in different years from ...
Meeting Document : WG-FSA-05/77 : Author(s): Zh.A. Frolkina (Russia)
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Review of biological parameters for Ross Sea skates
is: TLt = 101.3(1? e?0.308[t+1.30]). The best estimate of longevity in A. georgiana is 14 years. However ... this may be a considerable underestimate, and true longevity may exceed 20 years. Age at sexual maturity ... (1 ? e?0.308[t+1.30]). The best estimate of longevity in A. georgiana is 14 years. However this may ... be a considerable underestimate, and true longevity may exceed 20 years. Age at sexual maturity for A. georgiana ...
Meeting Document : WG-FSA-06/31 : Author(s): M.P. Francis (New Zealand)
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Biodiversity of the benthos off Kerguelen Islands: overview and perspectives
been neglected and understudied during the last 30 years. The Kerguelen Plateau, situated ... and understudied during the last 30 years. The Kerguelen Plateau, situated at the northern limit of the Polar Front ... Abstract: The Kerguelen Plateau possesses a very diverse benthic fauna. Over the years ... The Kerguelen Plateau possesses a very diverse benthic fauna. Over the years, the number ...
Meeting Document : WS-MPA-11/P03 : Author(s): N. Améziane, M. Eléaume, L.G. Hemery, F. Monniot, A. Hemery, M. Hautecoeur and A. Dettaï
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1992 winter and 1992/93 pup-rearing season
an unprecedented number of 97 entangled seals were seen, a ten-fold increase on the previous two years ... and with twice as many seals suffering serious injuries. Almost all animals involved were juvenile males ... , the main element of the population seen ashore at Bird Island at this time of year. In the summer, 84 ... of seal affected (60% juvenile males, 30% adult females) and the severity of injuries (40% serious ...
Meeting Document : SC-CAMLR-XII/BG/06 : Author(s): Delegation of United Kingdom
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Pygoscelis penguin colonies census in the Vernadsky Antarctic station area (Statistical Subarea 48.1)
provided during 2017-2018 breeding season. The Pygoscelis penguins in the region of research are mainly ... observed throughout the area during recent years. The nesting of the Antarctic penguin in the region ... during 2017-2018 breeding season. The Pygoscelis penguins in the region of research are mainly gentoo ... observed throughout the area during recent years. The nesting of the Antarctic penguin in the region ...
Meeting Document : WG-EMM-18/25 : Author(s): V.M. Smagol, A.O. Dzhulay, I.V. Dykyy and G.P. Milinevsky
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Pygoscelis penguin census in the Vernadsky Antarctic station area
been provided during 2017-2018 breeding season. The most abandoned Pygoscelis penguin species ... species, which has been observed throughout the area during recent years. The nesting of the Antarctic ... provided during 2017-2018 breeding season. The most abandoned Pygoscelis penguin ... of the Adelie species, which has been observed throughout the area during recent years. The nesting ...
Meeting Document : SC-CAMLR-XXXVII/BG/06 : Author(s): V.M. Smagol, A.O. Dzhulay, I.V. Dykyy, G.P. Milinevsky and E.O. Dykyy
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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)
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Krill catches and consumption by land-based predators in relation to distance from colonies of penguins and seals in the South Shetlands and South Orkneys
Abstract: Zones of 20 km width are defined around selected colonies of penguins distributed ... was taken within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 and 1988 75 ... that for some years, months and zones of distance from the shore the catch of krill is 50% or more of the land ... Zones of 20 km width are defined around selected colonies of penguins distributed around the coasts ...
Meeting Document : SC-CAMLR-X/BG/07 : Author(s): Secretariat
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Krill catches and consumption by land-based predators in relation to distance from colonies of penguins and seals in the South Shetlands and South Orkneys, 1987-1990
Abstract: Zones of 20 km width are defined around selected colonies of penguins distributed ... within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 and 1988 75% of the catch ... years, months and zones of distance from the shore the catch of krill is 50% or more of the land-based ... Zones of 20 km width are defined around selected colonies of penguins distributed around the coasts ...
Meeting Document : WG-CEMP-91/25 : Author(s): D.J. Agnew (Secretariat)
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Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz
Cruz, CA. Individual animals were suspended in front of the transducers, were only loosely constrained ... collected per animal. Orientation data were recorded on video. The acoustic data were analyzed and target ... ) method were developed for five animals and compared with the measurements. Both measured and modeled ... scattering patterns showed that 120 kHz acoustic scattering levels are highly dependent on animal orientation ...
Meeting Document : WG-EMM-99/42 : Author(s): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)