Search results
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Prey monitoring surveys: a discussion of the characteristics necessary in prey surveys
possible designs. Le Programme de controle de l'ecosysteme de la CCAMLR demande que les informations sur ... la repartition des proies soient relatives aux changements dans la demographie des predateurs. Le ... informacion acerca de la distribucion de las especies presa para relacionar con los cambios en la demografia ... prospect ions des proies. Legendes des figures Zone de la Peninsule. Les regions hachurees se trouvent ... Paper Title: Prey monitoring surveys: a discussion of the characteristics necessary in prey ... distribution to relate to changes in predator demography. The paper discusses the constraints imposed on such ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 377-391 : Author(s): Everson, I.
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Differentiation of independent populations of Antarctic krill
place un systeme de gestion efficace de la peche de krill, il est necessaire d'acquerir des ... connaissances sur la structure demographique du krill. Un bref examen des etudes recentes sur la variabili te ... morphophysiologique et genetique du krill et la circulation des eaux antarctiques est entrepris. En se basant sur ... proposition relative a de prochaines etudes sur la structure demographique du krill est presentee. - 276 ... : Several countries have recently shown an interest in commercial krill fishing. An understanding of krill ... of recent studies in genetic and morphophysiological variability of krill and Antarctic water ... . superba in the Southern Ocean subdivided into several independent sub-populations. The number of these sub ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 275-281 : Author(s): USSR
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Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia
a la palangre ont 6th 6valuees au cours de sept jours de p@che de lkgine Dissostickus eleginoides ... impliquant la pose et le virage de palangres autour des iles Sandwich du Sud et de la Georgie du Sud. Le ... aux populations de la Georgie du Sud; il est a noter toutefois que les grands albatros et les ... concernant les palangriers en activite autour de la G6orgie du Sud indiquent que le taux de capture des ... mortality was seen and only one bird was caught on a hook; nevertheless many species in these aggregations ... of birds are clearly potentially vulnerable to setting operations in daylight hours. Several species ... grey-headed albatrosses, whose populations are in serious decline at South Georgia, were rare; their ... vulnerability to longlining operations in the South Sandwich Islands may, therefore, be low. Quantitative data ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Author(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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Otolith and body size relationships in the mackerel icefish (Champsocephalus gunnari)
des valeurs obtenues, on 6tudie l'efficacitt. des otolithes pour determiner la longueur et le poids ... de la longueur des poissons, le poids etant un indicateur legerement plus precis. Les m&mes mesures ... ne permettent pas de determiner avec la m&me prkcision le poids total des poissons. Eb1JI0 ... gunnari) y se determin6 la exactitud con la cual se puede predecir la talla y peso del pez a partir de ... Paper Title: Otolith and body size relationships in the mackerel icefish (Champsocephalus gunnari ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 117–123 : Author(s): Everson, I., B. Bendall and A. Murray
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Brief comments on the simulation study made by Professor Butterworth on krill fishing by an individual Japanese trawler
essentielles sont sou levees concernant I'etude par simulation de la pecherie japonaise de krill effectuee ... recherche semble discutable. En second lieu, I'utilite d'indices bases sur la somme des temps de recherche ... produit en cours de production, et la demande pour chaque produit varie considerablement d'une saison ... d'approfondir notre connaissance sur la distribution du krill, avant d'etablir la collecte reguliere des ... fishing by an individual Japanese trawler Abstract / Description: In this paper, three essential ... values used for the minimum catch rate per overall elapsed time. It is suggested that an improvement in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 347–350 : Author(s): Ichii, T. and Y. Endo
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A simple approach for calculating the potential yield of krill from biomass survey results
l'intensite de la peche et la croissance du kriU sont saisonnieres. Pour les calculs, le critere utilise est ... le suivant : la probabilite qu'en une periode d'exploitation de 20 ans, la biomasse reproductrice du ... kriU chute en dessous de 20% de son niveau moyen d'avant l'exploitation, devrait etre egale a 10%. La ... valeur de 'A, est fortement dependante de la valeur de M (mortalite natureUe) et de O'R (variabilite du ... results Abstract / Description: Estimates are calculated for the parameter λ in the yield equation Y = λ ... MB 0 for a krill fishery in which both the fishery and krill growth are seasonal. The criterion used ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Author(s): Butterworth, D.S., A.E. Punt and M. Basson
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Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3, South Georgia
resultats sont presentes par zones de declaration a echelle precise de la CCAMLR. Pe3IOMe IIo MOPCKHM ... yqaCTKaM npe,llCTaBJle- HH5.I ,llaHHbIX AHTKOMa. Resumen A partir de las cartas de navegaci6n, se han ... estimado areas de lecho marino de las curvas de profundidad de 50 a 250 m; entre 250 y 500 metros y a mas ... de 500 m. Los resultados se presentan por areas de notificaci6n de la CCRVMA y a escala fina ... Paper Title: Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3, South Georgia ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 459–466 : Author(s): Everson, I. and S. Campbell
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On reproduction of Electrona carlsbergi (Tåning)
it la periode ete-automne de l'hemisphere sud. Pe310Me B HaCT05III~eM Tpy,lle npe,llCTaBJIeHbI ... qu'E. carlsbergi se reproduit dans les eaux subantarctiques. La maturite des femelles commence lorsque ... un diametre de 150 it 650 j.Ul1 atteignant parfois 900 j.Ul1 dans les ovocytes hydrates. La ... maturation des ovaires est continue et la ponte periodique. La saison de ponte est etendue et correspond ... of the Southern Ocean. From materials available it has been ascertained that E. carlsbergi spawns in ... synchronous. Vitelline eggs have a diameter from 150 to 650 μm; in hydrated oocytes it is up to 900 μm ... summer/autumn in the Southern Hemisphere. File: 23-Mazhirina.pdf ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 397–409 : Author(s): Mazhirina, G.P.
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Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991
for the final maturation of the gonads. Resume La composition du regime alimentaire et l'intensite de ... l'alimentation du poisson des glaces (Champsocephalus gunnari) autour de la Georgie du Sud en janvier/fevrier ... periode ou des aliments de haute valeur energetique sont necessaires pour la maturation finale des ... estaciones de muestreo con el prop6sito de analizar la composici6n cualitativa y cuantitativa de la dieta ... Georgia in January/February 1991 Abstract / Description: The diet composition and feeding intensity of ... mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991 were analysed in 3 ... 877 stomachs collected at 44 stations. Both the proportion of krill (Euphausia superba) in the ... stomachs and the feeding intensity were uncommonly low in a period when energy rich food is needed for the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Author(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski
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International CCAMLR applied research and monitoring program, Prydz Bay priority area
CONTROLE ET DE RECHERCHE APPLIQUEE DE LA CCAMLR, ZONE PRIORITAIRE DE LA BAlE DE .PRIDZ Australie Les ... premieres annees d'un programme international de controle et de recherche appliquee de la CCAMLR dans la ... Baie Pridz sont exposees. Une attention particuliere est apportee a la partie de la communaute marine ... basee sur le krill de la Baie de prydz et egalement a la partie de la communaute marine du Plateau de ... Australia towards the first five years of an International CCAMLR Applied Research and Monitoring Program in ... the Prydz Bay area. Emphasis is placed on the krill based part of the marine community in the Prydz ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 283-295 : Author(s): Australia