Resultados de la búsqueda
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Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
Paper Title: Long-term monitoring of krill recruitment and abundance indices in the Elephant ... Island area (Antarctic Peninsula) Abstract / Description: Krill distribution and density are reviewed ... interannual variability of krill recruitment is confirmed by the present analysis. Results are compared for ... one- and two-year-old krill (R 1 and R 2 respectively). Statistically significant fluctuations in ... sampling and/or data handling and if calculation of R, (proportion of recruits for 2-year-old krill) may ... krill distribution which must be considered dur ing net sampling operations to obtain adequate data ... results from indirect oceanographic data presented at the CCAMLR Workshop on Evaluating Krill Flux ... compared; the other data are not permuted in any way. As before, the significance Monitoring of Krill ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Autor(es): Siegel, V., W. de la Mare and V. Loeb
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MODELLING ANTARCTIC KRILL: SCALE, MOVEMENT AND AGE‐STRUCTURE
model assimilates data from research surveys but data from fisheries and eventually from krill predators ... ‐structured model designed to estimate krill population dynamics and productivity are described. The model ... 's capabilities are illustrated using 19 years of survey data collected by the U.S. AMLR Program ... ‐year data on size compositions from net tows and total biomass from hydroacoustics or net tows are ...
Meeting Document : WG-EMM-11/43 Rev. 1 : Autor(es): D. Kinzey, G. Watters and C. Reiss (USA)
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Ecosystem conservation and the race to krill
improvements in the management of Antarctic krill fisheries, including establishing feedback management ... Abstract: CCAMLR has been managing the krill fishery without sufficient measures needed to meet ... procedures, requiring 100% scientific observer coverage on board krill vessels, and implementing further ... protective measures to prevent excessive concentration of krill fishing in coastal areas close to predator ...
Meeting Document : CCAMLR-XXXIV/BG/28 Rev. 1 : Autor(es): Submitted by ASOC
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‘When close is too close’ – Krill fishing close to the coast
Abstract: For several years, ASOC has been calling for improved management of Antarctic krill ... fisheries by establishing feedback management procedures, improving monitoring through a strengthened CEMP ... program, and requiring 100% scientific observer coverage on board krill vessels among other issues. In ... concentration of krill fishing in coastal areas close to predator colonies in Area 48. This is of particular ...
Meeting Document : CCAMLR-XXXII/BG/17 Rev. 1 : Autor(es): Submitted by ASOC
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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 ... 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 ... , maximum daily growth rate (6BL/IP) of juvenile krill was calculated to be 0.047 mm day-l, which is too ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Autor(es): Ikeda, T. and P.G. Thomas
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Fish by-catch in the krill fishery: 2018 update
Abstract: Data on fish bycatch in the krill fishery from commercial catch data (120 949 hauls ... the commercial krill fishery catch data. As in previous years there was a high degree of overlap in ... ) and CCAMLR SISO data (17 455 hauls) up to 20 Sept 2018 was used to examine the frequency of occurrence ... increase in the data quality from the observer scheme and an increase in the frequency of fish bycatch in ...
Meeting Document : WG-FSA-18/10 : Autor(es): CCAMLR Secretariat
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Krill Fishery Report
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 ... the preparation of a draft krill fishery report for consideration at WG EMM-14 that would be similar ... fishery, an inventory of catch and SISO data, including incidental mortality of marine mammals and ...
Meeting Document : WG-EMM-15/30 : Autor(es): 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 ... Abstract: Antarctic krill (Euphausia superba) and salps are major macroplankton contributors to ... Southern Ocean food webs and krill are also fished commercially. Managing this fishery sustainably, against a ...
Meeting Document : WG-EMM-17/P03 : Autor(es): 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
conservation of whales and management of krill fisheries are discussed. Author(s): J.A. Santora, C.S. Reiss ... Abstract: Using data collected by U.S. Antarctic Marine Living Resources (AMLR) Program during ... Antarctic krill (Euphausia superba) abundance and demography near the South Shetland Islands (Antarctic ... Peninsula) and test whether whales exhibit interspecific differences in their exploitation of krill ...
Meeting Document : WG-EMM-09/33 : Autor(es): 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 ... 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 ... -section of back-scattering of krill. The target strength can be determined in situ by measuring the echo ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Autor(es): Protaschuk, V.A. and T.A. Lukashova