Résultats de la recherche
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Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory
Paper Title: Moulting interval and growth of juvenile Antarctic krill fed different ... Antarctic krill (Euphausia superba) were fed Phaenodactylum tricornutum, at concentrations ranging from 0.0 ... juvenile krill increased, up to a concentration of 1.0 mgC 1 –1. No further effect of food concentrations ... , 1.14mm. From these results, maximum daily growth rate (∆BL /IP) of juvenile krill was calculated to be ... integral de ce document sera publie dans la revue Polar Biology (1987) sous le titre ci-dessus Rapport ... OF JUVENILE ANTARCTIC KRILL FED DIFFERENT CONCENTRATIONS OF THE DIATOM PHAENODACTYLUM TRICORNUTUM IN ... THE LABORATORY T. Ikeda, P.G. Thomas (Australia) Abstract Juveni,le Antarctic krill (Euphausia ... period (IP) decreased, but an increment of body length per moult (6BL) of juvenile krill increased, up ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Auteur(s): Ikeda, T. and P.G. Thomas
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Krill Fishery Report
fishery, an inventory of catch and SISO data, including incidental mortality of marine mammals and ... of observer data effort since 2011 and a comparison bycatch occurrence in C1 and SISO data. Author ... summary of information related to the krill fishery in a similar format to the fishery reports that are ... completed for finfish fisheries in WG-FSA (www.ccamlr.org/node/75667). The Secretariat agreed to coordinate ...
Meeting Document : WG-EMM-15/30 : Auteur(s): CCAMLR Secretariat
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KRILLBASE: a circumpolar database of Antarctic krill and salp numerical densities, 1926–2016
krill abundance data and 9726 with salp abundance data. These data were collected by 10 nations and span ... . Krill abundance data have been standardised to accommodate variation in sampling methods, and we have ... backdrop of rapid regional climate change, requires information on distribution and time trends. Many data ... this is stored in national archives, sometimes only in notebooks. In order to make these important data ...
Meeting Document : WG-EMM-17/P03 : Auteur(s): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, R. Anadon, S. Chiba, K.L. Daly, R. Downie, S. Fielding, P. Fretwell, L. Gerrish, G.W. Hosie, M.J. Jessopp, S. Kawaguchi, B.A. Krafft, V. Loeb, J. Nishikawa, H.J. Peat, C.S. Reiss, R.M. Ross, L.B. Quetin, K. Schmidt, D.K. Steinberg, R.C. Subramaniam, G.A. Tarling and P. Ward
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DEMOGRAPHIC PATTERNS OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) EXPLAIN THE SPATIAL SEGREGATION OF BALEEN WHALES (MYSTICETI) AROUND THE SOUTH SHETLAND ISLANDS, ANTARCTICA
Abstract: Using data collected by U.S. Antarctic Marine Living Resources (AMLR) Program during ... demographic characteristics were derived from net haul data. Approximately 25,000 km² and 500 net hauls were ... conservation of whales and management of krill fisheries are discussed. Author(s): J.A. Santora, C.S. Reiss ... Antarctic krill (Euphausia superba) abundance and demography near the South Shetland Islands (Antarctic ...
Meeting Document : WG-EMM-09/33 : Auteur(s): J.A. Santora, C.S. Reiss, V.J. Loeb and R.R. Veit (USA)
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Determination of Antarctic krill acoustic back-scattering cross-section
Paper Title: Determination of Antarctic krill acoustic back-scattering cross-section Abstract ... / Description: When determining the density krill of concentrations it is necessary to know the acoustic cross ... -section of back-scattering of krill. The target strength can be determined in situ by measuring the echo ... determine the acoustic cross-section of the back-scattering of krill. By experiments, the authors have ... the distance. The mean and maximum length of krill are determined from data collected in sample ... Boston (USA), 1979. N20. Samovolkin V.G. Back-scattering of ultrasound from fish and shrimp. VNlRO ... KRILL ACOUSTIC BACK-SCATTERING CROSS-SECTION V.A. Protaschuk and T.A. Lukashova (U.S.S.R.) Abstract ... When determining the density krill of concentrations it is necessary to know the acoustic cross ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Auteur(s): Protaschuk, V.A. and T.A. Lukashova
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Developing research on Antarctic krill to facilitate the development and updating of feedback management procedures
types of data that can be realistically obtained and monitored on the productivity of the ecosystem and ... Abstract: Antarctic krill fisheries have the potential to be in the top 10 fisheries of the world ... developing a feedback management procedure for these fisheries. Implementation of such a feedback management ... 2002-2004. Since that time, there have been shifts in the behaviour and methods of the krill fishery ...
Meeting Document : WG-EMM-13/12 : Auteur(s): E.J. Murphy, R.D. Cavanagh (United Kingdom), A. Constable (Australia), E.H. Hofmann (USA), S.L. Hill, N.M. Johnston, P.N. Trathan and J.L. Watkins (United Kingdom)
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Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz
Paper Title: Measurements of differences in the target strength of Antarctic krill (Euphausia ... (36 to 60 mm) Antarctic krill (Euphausia superba) at 38 and 120 kHz have been inferred from ... furthermore did not exhibit the same frequency-dependence as the data from the krill, so it can be discounted ... ). Symposium on Fisheries Acoustics. FAO Fish. Rept. 300: 52-58. FOOTE, K.G., I. EVERSON, J.L. WATKINS and ... aggregating and distribution patterns in these two regions. Data were collected between 7 and 10 March from ... other relevant calibration data for each sounder are shown in Table 1. The SL + VRS value for each ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Auteur(s): Hampton, I.
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The utilization of seabird censuses for krill monitoring
Paper Title: The utilization of seabird censuses for krill monitoring Abstract / Description ... : The possibility of using bird observations made at sea as a means of monitoring krill in the Antarctic ... Ocean is explored. No variation source directly linked with krill was identified by means of ... krill abundance. A vector close to multi-normality was obtained, thus suggesting that refinements of the ... all variates and krill related variates (as per literature information) alone. Data dimensionality ... the present body of data. IV. with the same subsets defined for krill and latitude treatments in ... certain region will provide a data set to be compared with those where krill has been independently ... the methodology of data analysis in order to obtain parametric exact tests for hypothesis testing ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Auteur(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana
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Precautionary, ecosystem-based management for the Antarctic krill fishery: a work in progress
Approved Document Release Consent: Yes Delegation responsibility for releasing documents: ASOC ... provides an update on the krill fishery; discusses the consideration of climate change in krill fisheries ... Abstract: The Antarctic krill fishery is expanding at a time when the Antarctic Peninsula is ... marine ecosystems and will almost certainly affect krill. It is therefore CCAMLR’s responsibility to ...
Meeting Document : SC-CAMLR-XXXVII/BG/17 : Auteur(s): Submitted by ASOC
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Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys
data were collected both during day and night for the 2019 Scotia Sea large-scale krill monitoring ... survey. Data from upward-looking, stationary platforms offer unique opportunities for assessing the ... the South Orkney Islands since 2014, and in this report some of these data have been analysed in order ... , the time period covered by the 2019 survey, the frequency response data obtained using an upward ...
Meeting Document : WG-EMM-2019/32 : Auteur(s): T. Klevjer, G. Skaret and B.A. Krafft