Resultados de la búsqueda
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The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)
since 1997. A generalised linear model (GLM) analysis was performed using statistical data from the ... trawl and the longline fisheries. The most recent trends show a decrease in CPUE, indicating probable ... . However illegal, unreported and unregulated (IUU) fishing has occurred in the area since 1997. A ... longline fisheries. The most recent trends show a decrease in CPUE, indicating probable local overfishing ... pêcherie la plus ancienne du secteur indien de l’océan Austral. Cette dernière, depuis 1997, a cependant ... GLM (modèle linéaire généralisé), effectuée à partir des données statistiques de la pêche légale ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Autor(es): Lord, C., G. Duhamel and P. Pruvost
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Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia
that D. exulans breeding at South Georgia have a relatively low potential risk of interaction with ... such a way as to avoid fishing between the end of February and mid-May. File: 07croxall-prince.pdf ... , respectively. We conclude that D. exulans breeding at South Georgia have a relatively low potential risk of ... should be managed in such a way as to avoid fishing between the end of February and mid-May. Resume ... grands albatros (Diomedea exulans) et des lieux de p@che a la palangre de legine australe (Dissostichus ... eleginoides), a partir de donnees de suivi par satellite et d'informations prkcises sur la position des poses ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Autor(es): Croxall, J.P. and P.A. Prince
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
in its infancy. A general approach is proposed for maintaining ecological relationships and providing ... across a range of 'ecosystem' effects and, as formulated here, can also be related directly to ... . A general approach is proposed for maintaining ecological relationships and providing for the ... purposes because they integrate across a range o f 'ecosystem' effects and, as formulated here, can also ... qu'ils portent sur tout u n intervalle d'effets lies a 1'i.cosysti.me et, comlne cela est mentionnk ... indices. Ynpaene~ne n p o M b r c n o M , H a n p a e n e H H o e Ha a o c T H r n e H I * e ~ K O C ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Autor(es): Constable, A.J
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Indices of prey availability near the Seal Island CEMP site: 1990 to 1996
. Indices derived from these data indicate that although average prey density varied by a factor of almost ... these indices may be useful in modelling krill predator breeding success as a function of prey ... indicate that although average prey density varied by a factor of almost five between 1990 and 1996, prey ... be useful in modelling krill predator breeding success as a function of prey availability. Resume ... alentours du site CEMP de l'ile Seal pendant les 6tks austraux de 1990 a 1996. Ces indices sont des mesures ... reproduisant a I'ile Seal. Les indices derives de ces donnees indiquent que bien que ia densite moyenne des ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Autor(es): Hewitt, R.P., G. Watters and D.A. Demer
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Quantifying movement behaviour of vessels in the Antarctic krill fishery
of the krill fishery. Analysis of distance between hauls in relation to their catch level revealed a ... basis for describing a generalised fishery model. Updates for some of the parameters for the krill ... distance between hauls in relation to their catch level revealed a distinct pattern. Mean between-haul ... study suggests the movement trends for Japanese vessels could form the basis for describing a ... années de données récentes à échelle précise par trait sur le krill ont servi à caractériser le ... comportement de la pêcherie de krill. L’analyse de la distance entre les traits de chalut par rapport à leur ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Autor(es): Kawaguchi, S. and S.G. Candy
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Acoustic data analysis and models of krill spatial distribution
wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 km the ... analysis suggest that krill patch size or rather a basic swarm size should be smaller than 200 m, finest ... OF KRILL SPATIAL DISTRIBUTION A. Morin, A. Okubo and K. Kawasaki Abstract Acoustic data ... spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 .km the spectrum ... analysis suggest that krill patch size or rather a basic swarm size should be smaller than 200 m, finest ... Les donnees acoustiques recueillies les 4 et 5 janvier 1987 a bord du navire de recherche Professor ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Autor(es): Morin, A., A. Okubo and K. Kawasaki
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Survey design to estimate krill abundance during FIBEX
which randomly spaced transects were located. Subareas were treated as strata and a stratified random ... sampling method was used. The survey was done in two phases. In the first phase a fairly evenly dispersed ... spaced transects were located. Subarea were treated as strata and a stratified random sampling method ... was used. The survey was done in two phases. In the first phase a fairly evenly dispersed subsample ... la zone d'etude de l'Atlantique sud-ouest est decrite dans ce document. L'echantillonnage a ... de mer. La zone d'etude a ete subdivisee en plusieurs sous-zones geographiques distinctes, dans ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Autor(es): Everson, I., I. Hampton and G.M. Jolly
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Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons
CPUE indices for tuning. According to the VPA the population in 1991/92 was composed of a large ... of constant M and contradictions in the input data. A conservative approach to management for 1992/93 ... . According to the VPA the population in 1991/92 was composed of a large proportion of 5 year olds, which was ... contradictions in the input data. A conservative approach to management for 1992/93 is recommended, based on ... the results of surveys by Falklands Protector in 1990/91 and 1991192. Resume Suite a l'apparente ... incapacite du Groupe de travail de la CCAMLR charge de l'evaluation des stocks de poissons (WG-FSA) a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Autor(es): Parkes, G.
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Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996
and C. aceratus had apparently recovered to a large extent by the second half of the 1980s, while C ... . gunnari stocks remained at a low level. The status of N. rossii is still unclear, although some recovery ... apparently recovered to a large extent by the second half of the 1980s, while C. gunnavi stocks remained at ... a low level. The status of N. rossii is still unclear, although some recovery was apparent from ... d'Pvaluation par chalutages de fond menees par lfAllemagne aux alentours de l'ile ~ l e ~ h a n t dans les ... la p@cherie autour de l'ile ~ l e ~ h a n t puisse @tre envisagee. n p o ~ b 1 c e n ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Autor(es): Kock, K.-H
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On the intensity of sampling krill trawl catches
measurements of length from commercial krill; catches should be made, as far as possible, by a single observer ... stages; • for most purposes a minimum sample size of at least 100 animals/trawl is necessary to obtain ... made. as far as possible. by a sin~le obseryerlyessel; • consideration still has to be given to the ... conjunction with the need to collect information on maturity stages; • for most purposes a minimum sample ... biologiques it discerner (par ex. longueur-avec-age). A present, et dans l'interet de la rigueur statistique ... propone que las mediciones efectuadas en las capturas comerciales de krill sean a&rupadas en intetvalos ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Autor(es): Miller, D.G.M.