Resultados de la búsqueda
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Galindez Island gentoo penguin (Pygoscelis papua) colonies at GAI CEMP site population behaviour/dynamics in the 2018/19 season
of gentoo GBV and GPP sites. The results of visual observations of penguin population changes are ... provided in two colonies at GAI CEMP site at Galindez Island nearby the Vernadsky station. We inform on the ... during 2018-19 season. The detailed observation of birds arrival, nesting, hatch and crèche has been ... results of visual survey of penguin population and penguin count. During the 2018/19 season biologist ...
Meeting Document : WG-EMM-2019/60 : Autor(es): P. Khoetsky, A. Dzhulai, G. Milinevsky, I. Dykyy, E. Dykyi, I. Parnikoza and L. Pshenichnov
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Towards developing a feedback management procedure for the Antarctic krill fishery
strategy for the krill fishery includes comparison of predator performance in no-fishing areas, these ... Abstract: We present a feedback strategy, founded on CEMP data, to adjust the catch limit and the ... spatial distribution of fishing activity for Antarctic krill in Statistical Area 48. The CEMP currently ... relevant to making inference about the potential for competition between krill-dependent predators and the ...
Meeting Document : WG-EMM-12/44 : Autor(es): G. Watters and J. Hinke (USA)
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Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
Paper Title: Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around ... South Georgia Abstract / Description: Information on natural mortality rates of the mackerel icefish ... (Champsocephalus gunnari) from the period prior to known large-scale commercial harvesting is discussed. After ... careful consideration of the data and available methods, several errors are noted in earlier estimates ... information on the analyses undertaken. Although mentioned in the WG-FSA report, no discussion is reported ... (1990). Apparently, no analyses using M = 0.35 were undertaken at that time. The recent study by ... the matrix. No information is given in Frolkina and Dorovskikh (1990,1991) about sampling gear ... fish in all fully recruited age classes, and no is the number sampled from the first fully recruited ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Autor(es): Everson, I
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DISTRIBUTION AND ABUNDANCE OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
fishing grounds of deep water (mainly > 800 m) off Terra Nova Bay, Ross Island, and in the south of ... grounds. There are no reliable estimates of Antarctic toothfish abundance on the shelf at the current time ... in different years making interpretation difficult. Tag-recapture data from the Terra Nova Bay ... the purposes of addressing items on the FEMA 2 agenda. It summarises the management of the fishery ...
Meeting Document : WG-EMM-09/40 : Autor(es): S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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Habitat use of type – C killer whales (Orcinus orca) in the Ross Sea, Antarctica
Abstract: In Terra Nova Bay, western Ross Sea, during the austral summer 2015 ten type- C killer ... the horizontal behaviour of tagged whales. The Bayesian state-space model revealed discrete, largely ... non-overlapping Areas of Restricted Search (ARS) of killer whales along the coastline which matched ... the pattern of deeper dives thus indicating possible feeding grounds along the Ross Sea coast ...
Meeting Document : WG-EMM-2019/08 : Autor(es): G. Lauriano, E. Pirotta, T. Joyce, R. L. Pitman and S. Panigada
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Commercial krill fisheries in the Antarctic, 1973 to 1988
Paper Title: Commercial krill fisheries in the Antarctic, 1973 to 1988 Abstract / Description ... : STATLANT data reported to the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ... ) are used to discern observable trends in catch and effort for the Antarctic krill (Euphausia superba ... ) fishery between 1972/73 and 1987/88. The annual krill catch rose gradually to a peak of some 500 000 ... -139. 240 MILLER, D.G.M. 1987. The South African SIBEX 11 Cruise to the Prydz Bay region, 1985 ... . Sci. Fish. No. 11. (In Japanese). STASENKO, V.D. 1967. Determining the rational krill fishing ... SC-CAMLR-VII1I8G/11 COMMERCIAL KRILL FISHERIES IN THE ... ANTARCTIC, 1973 TO 1988 D.G.M. Miller Abstract ST ATLANT data reported to the Commission for the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Autor(es): Miller, D.G.M.
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Assessing the power to detect systematic change in Adélie penguin foraging trip duration
Paper Title: Assessing the power to detect systematic change in Adélie penguin foraging trip ... variation was known to occur. Variability among trips and penguins was greater in the crèche stage, but ... variability among years was greater in the guard stage. Estimates of variability were used to explore the ... greater in the crèche stage than the guard stage. The gain obtained by increasing the number of penguins ... ), near Mawson Station in East Antarctica. No krill fishery was operating in the region during that time ... preliminary analy- sis showed no evidence of a systematic trend over the pre-impact years, all year-to-year ... trend change in foraging trip duration across the b post-impact years, but there is no change in vari ... no change up to year a (i.e. the pre- impact years) versus the alternative of an increase in mean of ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Autor(es): Southwell, C., J. Clarke and L.M. Emmerson
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Larval fish distribution and abundance of the western Ross Sea
station off Terra Nova Bay. Our data give evidence of a great species diversity of the larval fish ... Abstract: Ichthyoplankton samples were obtained during the Italian Antarctic Oceanographic Cruise ... carried out in the western Ross Sea in November-December 1994. The present study focused on improvement of ... the knowledge of the larval fish community in relation to its distribution and relative abundance. A ...
Meeting Document : WG-FSA-95/11 : Autor(es): Greco, S., la Mesa, M., Vacchi, M.
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Concordance of inter-annual fluctuations in densities of krill around South Georgia and Elephant Islands: biological evidence of same-year teleconnections across the Scotia Sea
widely separated sites (approximately 1500 km distant at opposite sides of the Scotia Sea) are not ... interestingly, the magnitudes of abundance and between-year gradients of change of abundance at each site were ... both SG and El. There was no apparent lag in changes in abundance at each site, and ranked between-year ... Abstract: Acoustic estimates of the densities of Antarctic krill, Euphausia superba, in areas ...
Meeting Document : WS-AREA 48-98/11 : Autor(es): A.S. Brierley (UK), D.A. Demer, R.P. Hewitt (USA) and J.L. Watkins (UK)
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Atlas of top predators from French Southern Territories in the Southern Indian Ocean
studied from land base sites, making them the most accessible convenient models to study marine ecosystems ... Antarctica (Prydz Bay- Queen Maud Land sectors, Adelie Land sector). The analysis of distribution indicates ... be the primary targets of site-based conservation efforts in the near future. The Southern Indian ... that have to come on land to reproduce. Therefore, they are the only marine top predators that can be ...
Meeting Document : WG-EMM-16/42 : Autor(es): K. Delord, C. Barbraud, C.-A. Bost, Y. Cherel,C. Guinet and H. Weimerskirch