Search results
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Foraging strategies of chinstrap penguins at Signy Island, Antarctica: importance of benthic feeding on Antarctic krill
trip patterns and diving behaviour of chinstrap penguins breeding at Signy Island, Antarctica, using ... time-depth recorders. Foraging trips of penguins could be divided into 2 groups, short diurnal (7.8 ... h) and longer overnight (19.9 h) trips, with diurnal trips (74%) being dominant in number (263 out of 355 trips ... trips than overnight trips. Analysis of stomach contents showed that penguins on both types of trip fed ...
Meeting Document : WG-EMM-03/37 : Author(s): A. Takahashi (Japan), M.J. Dunn, P.N. Trathan (United Kingdom), K. Sato, Y. Naito (Japan), J.P. Croxall (United Kingdom)
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Preliminary data on the foraging habitat use by gentoo penguin in Byers Peninsula (Livingston Island) and chinstrap penguin in Deception Island, South Shetlands
Abstract: Data of basic parameters of foraging behaviour (foraging trip duration, total foraging ... trip distance, and maximum distance from the colony) and of foraging range for Gentoo penguin ... Data of basic parameters of foraging behaviour (foraging trip duration, total foraging trip ...
Meeting Document : WG-EMM-18/40 : Author(s): A. Barbosa, J. Benzal, J. Belliure and J. Masello
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Developments in the CCAMLR otolith program
listing the number of otoliths collected on each trip by a vessel flagged to that Member and the observer ... responsible for collecting the otoliths on that trip. Members were asked to provide information on the storage ... the number of otoliths collected on each trip by a vessel flagged to that Member and the observer ... responsible for collecting the otoliths on that trip. Members were asked to provide information ...
Meeting Document : WG-FSA-11/07 : Author(s): Secretariat
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Network characterisation of the food-web of the Ross Sea, Antarctica
peak in biomass in the lower-middle part of the food-web, a result of high biomass of mesozooplankton ... in the lower-middle part of the food-web, a result of high biomass of mesozooplankton and benthic invertebrates ...
Meeting Document : WG-EMM-12/53 : Author(s): M.H. Pinkerton and J.M. Bradford-Grieve (New Zealand)
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On the problem of diurnal migrations of some fish species on the South Georgia shelf (Subarea 48.3)
in middle size fry of both species were found at different depth levels during 24-hour periods. Ch. aceratus ... in middle size fry of both species were found at different depth levels during 24-hour periods. Ch. aceratus ...
Meeting Document : WG-FSA-99/64 : Author(s): I.A. Trunov, J.A. Frolkina and M.P. Konstantinova (Russia)
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Approaches to evaluating and testing of CEMP methods for parameters A1, A5 and A7
. The description of foraging trip duration using the mean arising from a bimodal distribution of trip durations may ... /fledging date may introduce substantial bias in CEMP parameters A1and A7. The description of foraging trip ... duration using the mean arising from a bimodal distribution of trip durations may provide a useful index ...
Meeting Document : WG-EMM-04/60 : Author(s): G. Watters (USA) and K. Reid (United Kingdom)
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Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18
are recorded per trip and Subarea. Additionally, information is given on the yield obtained in meal production ... zones during each fishing trip are described Author(s): P.M. Arana and R. Rolleri Title: Analysis ... are recorded per trip and Subarea. Additionally, information is given on the yield obtained in meal production ... zones during each fishing trip are described ...
Meeting Document : WG-EMM-2019/09 : Author(s): P.M. Arana and R. Rolleri
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Final report of scientific observation of commercial krill harvest aboard the Japanese stern trawler Niitaka Maru, 13 December 2000–26 January 2001
measurements of krill, product types are described in the report. The trawler made an anti-clockwise trip ... around the South Shetland Islands. During this trip, the vessel encountered a swarm rapidly moving ... , product types are described in the report. The trawler made an anti-clockwise trip around the South ... Shetland Islands. During this trip, the vessel encountered a swarm rapidly moving southwards. Also ...
Meeting Document : WG-EMM-01/38 : Author(s): T. Hayashi, S. Kawaguchi and M. Naganobu (Japan)
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The relationship between foraging behaviour and energy expenditure in Antarctic fur seals
of 6.34 ± 0.4 W • kg–1; 4.6 times predicted BMR) was positively correlated to foraging trip duration (mean ... W • kg–1; 4.6 times predicted BMR) was positively correlated to foraging trip duration (mean of 4.21 ... , the total time spent diving or the to vertical distance travelled during the foraging trip ... (m. h-1) was also negatively related to at-sea MR (r2 = 0.69, P < 0.005). Body mass gain during a foraging trip had ...
Meeting Document : WG-EMM-96/07 : Author(s): Boyd, I.L., Arnould, J.P.Y., Speakman, J.R.
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Comparison of equal-area cylindrical and circular piston transducers
and on-axis sensitivity loss due to curvature of the cylindrical transducers, referred to as the curvature ... loss. Under identical conditions of excitation, isotropic ambient noise, and detection threshold of 20 ... . This is directly attributable to differences in directivity index and curvature loss. Other, pragmatic ... and on-axis sensitivity loss due to curvature of the cylindrical transducers, referred to as the curvature ...
Meeting Document : WG-EMM-95/08 : Author(s): Foote, K.G.