Résultats de la recherche
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A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels
from Antarctic krill fishing vessels Abstract / Description: The use of fishing-vessel-based acoustic ... Antarctic krill (Euphausia superba), yet the quality and even the utility of the data may be seriously ... Chinese krill fishing vessel. Results show that the interference noise was effectively reduced while ... structure and echo strength of the krill swarms were retained. The method may provide opportunity to improve ... data collected from Antarctic krill fishing vessels X. Wang Ocean University of China Qingdao ... distribution and relative abundance of Antarctic krill (Euphausia superba), yet the quality and even the ... data at 38, 70 and 120 kHz collected from a Chinese krill fishing vessel. Results show that the ... interference noise was effectively reduced while structure and echo strength of the krill swarms were retained ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Auteur(s): Wang, X., J. Zhang and X. Zhao
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A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey
Paper Title: A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across ... Antarctic krill (Euphausia superba) across the Scotia Sea using data from the CCAMLR 2000 Krill Synoptic ... Survey of Area 48 (CCAMLR-2000 Survey) and to map the density distribution of krill across the survey ... reconstruction of krill distribution, given the data. The Bayesian framework also allows intrinsic calculation of ... entropía (MaxEnt) para estimar la abundancia de kril antártico (Euphausia superba) en el Mar de Escocia a ... partir de los datos de la prospección sinóptica de kril CCAMLR 2000 realizada en el Área 48, y para ... graficar la distribución de las densidades de kril en el área de prospección. Los valores de la densidad ... probable de la distribución de kril, dados los datos de los cuales se dispone. Asimismo, el análisis ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Auteur(s): Heywood, B.G., A.S. Brierley and S.F. Gull
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Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90
Paper Title: Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data- Autumn ... 1989/90 Abstract / Description: A krill biomass census survey was carried out at two fishing grounds ... speed was 3.2 to 3.6 knots. The total krill stock on the poorly studied site off the South Sandwich ... both research and commercial harvesting. The overall krill stock here was estimated to be 1.1 million ... WG-KRILL-90/21 KRILL BIOMASS ASSESSMENT IN STATISTICAL ... AREA 48 FROM THE RV ATLANTNIRO DATA - AUTUMN 1989/90 A.C. Fedotov* * Abstract A krill biomass ... m layer using a modified Isaacs-Kidd trawl. Trawling speed was 3.2 to 3.6 knots. The total krill ... . The overall krill stock here was estimated to be 1.1 million tonnes. Most of this stock was ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Auteur(s): Fedotov, A.C.
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Environment–krill relations in the South Georgia marine ecosystem
Paper Title: Environment–krill relations in the South Georgia marine ecosystem Abstract ... study, time series of krill abundance (CPUE) indices were derived from Soviet fishing operations in the ... agrees with other data which give direct or indirect indications of krill availability, suggesting it can ... more consistent, supporting suggestions that the variability in krill abundance around South Georgia is ... . Las series cronologicas de datos sobre la abundancia de kril (CPUE) utilizadas en este estudio fueron ... concuerda con otros datos que dan una indication directa o indirecta de la disponibilidad de kril, por 10 ... suposiciones de que la variabilidad en la abundancia de kril alrededor de Georgia del Sur est6 fuertemente ... CCAMLR Science, Vol. 3 (1996): 13-30 ENVIRONMENT-KRILL ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Auteur(s): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky
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Brief comments on the simulation study made by Professor Butterworth on krill fishing by an individual Japanese trawler
Paper Title: Brief comments on the simulation study made by Professor Butterworth on krill ... questions are raised concerning the simulation study of the Japanese krill fishery carried out by ... Butterworth (1988). Firstly, the simulation study used krill distribution parameter values based on the FIBEX ... our knowledge of krill distribution is necessary before the routine implementation of searching time ... MADE BY PROF. BUTTERWORTH ON KRILL FISHING BY AN INDIVIDUAL JAPANESE TRAWLER T. Ichii and Y. Endo ... Japanese krill fishery carried out by Butterworth (1988). Firstly, the simulation study used krill ... elapsed time. It is suggested that an improvement in our knowledge of krill distribution is necessary ... japonaise de krill effectuee par Butterworth (1988). Tout d'abord, I'etude par simulation utilise les ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 347–350 : Auteur(s): Ichii, T. and Y. Endo
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Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
Paper Title: Alternative methods for determining subarea or local area catch limits for krill in ... precautionary catch limit on krill (Euphausia superba) in Statistical Area 48. The measure also implies an ... methods of determining subarea or local area krill catch limits are evaluated relative to six criteria: (i ... relationships between krill and their predators are explicitly considered and the potential for delayed ... el kril (Euphausia superba) de 1.5 millones de toneladas en el Area estadistisca 48. Esta medida ... captura de kril por subarea 0 zona especifica en conexi6n a seis principios: (i) la medida en que se ... focas) si se toman en cuenta explicitamente las relaciones eco16gicas entre el kril y sus depredadores ... simple, y en las prospecciones de kril no contienen informaci6n bio16gica detallada y resultan en una ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Auteur(s): Watters, G. and R.P. Hewitt
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A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
Paper Title: A fine-scale model of the overlap between penguin foraging demands and the krill ... using the total catch of krill taken within 100 km of penguin colonies in their breeding season ... distribution of the krill fishery in Subarea 48.1 (South Shetland Islands). As this index has proven unsuitable ... the krill resource and is based on a detailed model of penguin foraging patterns combined with catch ... alimentacion de 10s pingiiinos y la distribution de la pesqueria de kril en la SubArea 48.1 (islas Shetland ... refleja la interaccion funcional entre estos dos Agnew and Phegan consumidores del recurso kril y se ... MODEL OF TlHE OVERLAP BETWEEN PENGUIN FORAGING DEMANDS AND THE KRILL FISHERY IN THE SOUTH SHETLAND ... , Australia Abstract CCAMLR has been using the total catch of krill taken within 100 km of penguin ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Auteur(s): Agnew, D.J. and G. Phegan
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Survey design to estimate krill abundance during FIBEX
Paper Title: Survey design to estimate krill abundance during FIBEX Abstract / Description: One ... methodology for assessing the abundance of krill. The survey design used in the southwest Atlantic study area ... krill abundance as well as collection of data on the size, density and distribution of krill swarms. In ... SC-CAM LR-VII/BG/7 SURVEY DESIGN TO ESTIMATE KRILL ... of krill. The survey design used in the southwest Atlantic study area of the FIBEX is described in ... this papers. Sampling involved the use of echosounders for estimating krill abundance as well as ... collection of data on the size, density and distribution of krill swarms. In addition, information on ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Auteur(s): Everson, I., I. Hampton and G.M. Jolly
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Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001
Paper Title: Sea-surface temperature and krill catches around South Georgia in December–February ... conducting a krill fishery in the area during the entire year. The reliability of these forecasts could be ... appraised by comparing them with krill catches obtained under various hydrological conditions. In comparison ... in the area. The total catch of krill was 81 369 tonnes in 1989/90 and 123 562 tonnes in 1990/91 ... viabilidad de una pesquería de kril en el área durante todo el año. Sería posible evaluar la fi abilidad de ... estos pronósticos mediante una comparación con las capturas de kril extraídas en distintas condiciones ... total de kril fue de 81 369 toneladas en 1989/90 y de 123 562 toneladas en 1990/91. Sin embargo, la ... hidrológicas, el kril transportado por las corrientes del mar de Weddell no formó concentraciones estables en ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Auteur(s): Vanyushin, G.P
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An assessment of the merits of length and weight measurements of Antarctic krill Euphausia superba
Paper Title: An assessment of the merits of length and weight measurements of Antarctic krill ... predictors of wet or dry weight in Antarctic krill Euphausia superba Dana are standardised with new data on ... krill into male and female categories is of little practical use in improving the precision of any ... prediction of mass. However, the separation of gravid females, either from male or non-gravid female krill or ... OF LENGTH AND WEIGHT MEASUREMENTS OF ANTARCTIC KRILL EUPHAUSIA SUPERBA.* D.J. Morrisl, J.L ... Antarctic krill Euphausia superba Dana are standardised with new data on the relationships of three length ... variance. Again surprisingly, the simple division of krill into male and female categories is of little ... females, either from male or non-gravid female krill or, from adult male and other krill does result in a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 371-373 : Auteur(s): Morris D.J., J.L. Watkins, C. Ricketts, F. Buchholz, and J. Priddle