Résultats de la recherche
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Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997
subject to commercial fishing since the early 1970s. They are known to feed predominantly on krill. An ... provide a good indicator of local krill density. The index is likely to be little affected by the ... reproductive cycle unless there is high krill availability during the months around the spawning time and even ... changes in hill density and therefore can provide indications of short term variations in krill ...
Meeting Document : WG-EMM-00/44 : Auteur(s): I. Everson (United Kingdom) and K.-H. Kock (Germany)
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Diet composition and observations on reproduction of Champsocephalus gunnari in Subarea 48.3 in March/April 1996, Dr Eduardo Holmberg survey
; (%) methods. Krill was by far the main food around South Georgia and Shag Rocks (F= 85%, Q= 99%). Other prey ... items, known as an important alternative food in years of krill scarcity, were ingested only ... higher than those reported for the 1991 and 1994 years of krill shortage. The analysis of the ovarian ... which may be related with a large availability of food (= krill). It is suggested that krill was present ...
Meeting Document : WG-FSA-96/28 Rev. 1 : Auteur(s): Marschoff, E., Barrera-Oro, E., Casaux, R.
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Variations in food composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia
/February 1991 and January 1992 by analyzing appr. 9,000 stomachs. Main prey items were krill (Euphausia ... of krill and Themisto in the diet items varied considerably between the three seasons, whereas the ... proportion of mysids in the diet remained fairly constant. krill is obviously the prefered diet. In years of ... krill shortage, such as in 1991, krill is replaced by Themisto gaudichaudii and sometimes Thysanoessa ...
Meeting Document : WG-FSA-92/26 : Auteur(s): K.-H. Kock (Germany), I. Everson (United Kingdom), S. Wilhelms (Germany), S. Campbell (United Kingdom), J. Szlakowski (Poland), G. Parkes (United Kingdom), Z. Cielniaszek (Poland) and C. Goss (United Kingdom)
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e-sc-xviii-a4.pdf
... Surveys................................................................................. 123 Global Krill ... Seasonal Distribution of Krill .................................... 124 Population Structure, Recruitment ... Analysis of CEMP Indices.................................................... 132 Use of GYM for Krill Stock ... ............................................................................. 133 Krill-centred Interactions application/pdf attached to:WG-EMM-99
Meeting Report : WG-EMM-99
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Scientific Abstracts 1998
. Workshop on Area 48 WS-Area48-98/4 Rev. 1 Do krill and salps compete? Contrary evidence from the krill ... (English). Salp by-catch and krill discolouration (‘green’ krill) caused by active feeding on ... phytoplankton were analysed using log- book data from Japanese krill trawlers operating near the Antarctic ... presence of green krill were analysed. No relationship between salp density and the proportion of green ...
Document : Site Section: Publications
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Status of the Polish FIBEX acoustic data from the West Atlantic
acoustic target strength estimates of krill (SC-CAMLR, 1991a). This analysis indicated that the acoustic ... densities of krill in the oceanic parts of the Drake Passage were low (3 g m-2); however, the results also ... Shetland Islands were areas of high density. High acoustic densities of krill (77 g m-2) were also present ... del blanco del kril fueron utilizadas para analizar 10s datos acbsticos de la prospecci6n polaca ... de kril determinadas por metodos acusticos en las regiones oceanicas del Pasaje Drake fueron bajas ... Trathan et a1 ireas de alta densidad. Tambign se encontraron altas densidades de kril(77 g m-2) en el ... . Lista de las tablas Tabla 1: Densidad y biomasa de kril estimadas de la prospeccidn acustica polaca ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Auteur(s): Trathan, P.N., J. Kalinowski and I. Everson
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e-sc-xvii-a4.pdf
... Model.......................................................................... 138 Krill-centred ... Interactions ........................................................................ 138 Krill–Environment ... Interactions ............................................................. 138 Krill–Plankton Interactions ... .................................................................. 140 Krill–Fishery Interactions.................................................................... 141 application/pdf attached to:WG-EMM-98
Meeting Report : WG-EMM-98
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Indices of prey availability near the Seal Island CEMP site: 1990 to 1996
demographic indices of krill abundance derived from net samples. Indices of persistence over time reflect the ... relative biomass of juvenile krill near Seal Island during the first survey of each year as compared to the ... these indices may be useful in modelling krill predator breeding success as a function of prey ... 10s indices demogrsficos de la abundancia de kril deducidos de muestras de la red. Los indices de ... persistencia a traves del tiempo reflejan la biomasa relativa de kril juvenil cerca de la Isla Foca durante la ... utilidad en la elaboration de modelos del 6xito reproductor de 10s depredadores de kril en funcidn de la ... datos para la estirnacion de 10s indices de disponibilidad de presa para 10s depredadores de kril que ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Auteur(s): Hewitt, R.P., G. Watters and D.A. Demer
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SC-CAMLR-SSP/5 – Part I, 1988
Antarctic krill. Part 11 contains papers on other Antarctic Marine Living Resources. The text of the papers ... krill antarctique. La deuxieme partie contient les communications sur les autres ressources marines de ... . Se publica en dos partes. La Parte I comprende los trabajos relacionados con el krill. La Parte 11 ... .............................................................................................................. v A SIMULATION STUDY OF KRILL FISHING BY AN INDIVIDUAL JAPANESE TRAWLER D.S. Butterworth ...
Document : Site Section: Publications
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Status of the FIBEX acoustic data from the West Atlantic
consistency of krill abundance estimates derived from different survey vessels. There is a good level of ... objeto de comprobar la coherencia de 10s calculos de abundancia del kril obtenidos de la informacion ... : Calculos de la densidad y biomasa del kril empleando informacion de la prospeccion acustica de FIBEX ... distribution de 10s valores de la densidad del kril para 10s intervalos de integracion diurnos de las ... distribucion de 10s valores de la densidad del kril para 10s intervalos de integracion diurnos obtenidos por ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 35–48 : Auteur(s): Trathan, P.N. and I. Everson