Résultats de la recherche

1. Can we satisfactorily estimate variation in krill abundance?

   Paper Title:  Can we satisfactorily estimate variation in krill abundance? Abstract / Description ... per unit effort (CPUE) has traditionally been used in demersal fisheries assessments as an estimator ... to year variation in krill abundance it is important that this be quantified and separated from ... fishery induced variation. The timescale for such information is discussed in the light of the needs of ... de changement de l'abondance si l'on veut etablir des modeles d'exploitation. La prise par unite ... a partir de donnees declarees a la commission pour la conservation de la Faune et la Flore Marines ... existe une grande variation interannuelle naturelle dans l'abondance du krill, il est important de la ... quantifier et de la distinguer des variations dues a la peche. Un calendrier pour l'obtention de ces ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 375-376 : Auteur(s): Everson, I.

2. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

   Paper Title:  Assessing the power to detect systematic change in Adélie penguin foraging trip ... duration Abstract / Description:  Models of variability in Adélie penguin foraging trip durations were ... variation was known to occur. Variability among trips and penguins was greater in the crèche stage, but ... variability among years was greater in the guard stage. Estimates of variability were used to explore the ... impacto, o una prueba combinada de la diferencia y la pendiente. Si bien se considera que la duración de ... . Résumé Des modèles de variabilité de la durée des sorties alimentaires du manchot Adélie ont été ... construits et ajustés aux données collectées à l’île Béchervaise pendant une période de 12 années lorsque la ... de variabilité sont utilisées pour évaluer la capacité à détecter les changements dans des scénarios ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Auteur(s): Southwell, C., J. Clarke and L.M. Emmerson

3. Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a

   Paper Title:  Assessment and tag program adaption methods for exploratory fisheries in the CAMLR ... exploratory stocks in the CAMLR Convention Area. The assessment methodology is designed to be able to ... tagging levels that will produce an expected abundance estimate in the following year of a given precision ... tested using the assessment results for toothfish in CCAMLR Subarea 48.3 and the assessment method is ... term in equation (4) is a composite of observa- tion (bar) and process error (PE): 2 2 2 , ,y I y I PE ... mostrando que en el futuro se espera muy poca disminución pero sí una gran incertidumbre (el CV de la ... marquage pour les stocks exploités dans des pêcheries nouvelles ou exploratoires de la zone de la ... Convention CAMLR. La méthode d’évaluation est conçue de façon à ce que les données de marquage–recapture ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Auteur(s): Hillary, R.M

4. Fatty acid and stable isotope analyses to infer diet of Antarctic toothfish caught in the southern Ross Sea

   in the southern Ross Sea Abstract / Description:  To infer important prey resources for Antarctic ... toothfish (Dissostichus mawsoni) in the southern Ross Sea, their lipid composition was determined and ... compared to lipid profiles of fish and invertebrate species taken as by-catch in the fishery or collected ... toothfish in February 2012. Results of fatty acid (FA) and stable isotope analyses from this study provide ... ; Eastman, 1985; La Mesa et al., 2004) and also a key prey species in the southern Ross Sea (Pinkerton et ... , Hobart, Aus- tralia. La Mesa, M., J.T. Eastman and M. Vacchi. 2004. The role of notothenioid fish in ... TOOTHFISH CAUGHT IN THE SOUTHERN ROSS SEA H.-S. Jo, I. Yeon, C. Lim Fisheries Resources Research ... prey resources for Antarctic toothfish (Dissostichus mawsoni) in the southern Ross Sea, their lipid ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 21–36 : Auteur(s): Jo, H.-S., I. Yeon, C. Lim, S.M. Hanchet, D.-W. Lee and C.-K. Kang

5. Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90

   Paper Title:  Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea ... fishing ground off the northwestern tip of Coronation Island. CPUE showed variability with a minimum in ... November (3.2 tonnes/hour) and maximums in February and March (9.6 tonnes/hour and 11.0 tonnes/hour ... topographically-induced effects. Except in November 1989, temporally and spatially sustained fishable krill ... exploitables de krill en dehors du principal secteur de p@che, si ce n'est en novembre. Or, en ce mois, la ... es comparable a, si bien menor que, la velocidad de arrastre frente a isla Elefante (11 a 13 cm/seg ... analyse des statistiques de capture par trait de la flottille de p@che de krill de la saison 1989/1990 ... sur un lieu de psche situe a la pointe nord-ouest de l'ile du Couronnement. La CPUE presente une ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Auteur(s): Sushin, V.A

6. Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass

   Paper Title:  Variations in echosounder calibration with temperature, and some possible ... stability in system gain settings. Between Antarctic seasons this echosounder has also been calibrated in ... those applied in the Antarctic, even after adjustments have been made to account for differences in ... significant differences in volume backscattering (S v) and target strength (TS) transducer gains were detected ... tendencia similar a 38 kHz. Si 10s parametros de la calibraci6n europea fuesen utilizados durante las ... . Nicol and W. de la Mare. 1996. Results of a hydroacoustic survey of Antarctic krill in CCAMLR Division ... across a survey area should be considered carefully. Resume L'estimation precise de la biomasse de ... campagnes dr6valuation du krill menees dans ce secteur, et demontre la stabilite temporelle du reglage de ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Auteur(s): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe

7. Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)

   Paper Title:  Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions ... participation in the fishery, with only some Small-scale Research Units (SSRUs, consisting of 10° longitude ... there are two stocks in the area, one in Division 58.4.1 and one in Division 58.4.2, with the division ... tonnes per SSRU in the west (Division 58.4.2) and 1 000–1 700 tonnes per SSRU in the east (Division ... density, the biomass B of the vulnerable population is given by: IA B = q  (1) where I is the ... exploratoires de Dissostichus spp. sont ouvertes au large de la côte de l’Antarctique de l’Est (30°E–150°E ... longitude de secteurs plus étendus) étaient ouvertes à la pêche. Cet article examine les résultats de ... durables. Les données biologiques semblent indiquer la présence de deux stocks dans le secteur, dont un ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Auteur(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán

8. Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)

   Paper Title:  Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division ... ; Miller et al., 1985). Assessments contained in this paper are based on results of research conducted in ... trawl and acoustic surveys as well as on fish feeding patterns and krill production were used in the ... taking into account their distribution in the particular study area of Antarctica. Total fish stock was ... kriU n'a ete evaluee que pour rete (de decembre it avril). D'apres les evaluations, si la biomasse ... ). Las evaluaciones obtenidas indican que si la biomasa total de peces es de 551 300 toneladas, los ... de estudio, los peces consumen de un 9 a118% de la producci6n anual de krill. 1. INTRODUCTION In ... provenant du secteur atlantique, qui ont ensuite ete extrapolees sur la totalite de l'Antarctique. Ces ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Auteur(s): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk

9. Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited

   appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited Abstract ... / Description:  Notothenia rossii was the fi rst target species in Southern Ocean fi sheries. The species was ... already heavily fished at the beginning of the 1970s. The closure of the fishery for this species in 1985 ... violated in the case of N. rossii, which is non-randomly distributed such that a large proportion of the ... ° – 30 ° Fa lk la nd Is la nd s/ Is la s M al vi na s S ou th G eo rg ia E le ph an t ... 8611’, Biología pesquera. In: Resulta dos de la Campaña ‘Antártida 8611’. Publ. Espec., Insti. Esp ... 8604 La Jolla Shores Drive, La Jolla, CA 92037, USA Abstract Notothenia rossii was the fi rst target ... intensive au début des années 1970. La fermeture de la pêche de cette espèce en 1985 faisait partie des ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Auteur(s): Kock, K.-H., M. Belchier and C.D. Jones

10. Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3

    gunnari) in Subarea 48.3 Abstract / Description:  Management of the mackerel icefish (Champsocephalus ... gunnari) at South Georgia is complicated by the likelihood of substantial periodic variations in natural ... mortality rates. These may be associated with increased consumption of C. gunnari by Antarctic fur seals in ... years of poor krill availability. Thus natural  ortality of C. gunnari may, in some years, increase by a ... generalizado de la CCRVMA (GYM), que toma en cuenta las variaciones periodicas de las tasas de mortalidad ... . gunnari in Subarea 48.3 realizan en el programa de seguimiento del ecosistema de la CCRVMA (CEMP) para ... median value is 0.1, is exceeded in all the scenarios considered here and does not seem workable. De la ... mortalite naturelle. Ces variations peuvent @tre associees 21 l'accroissement de la consommation de C ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Auteur(s): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes

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