Resultados de la búsqueda

1. Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)

   1–5 years for males and 1–4 years for females of C. wilsoni. Applying the von Bertalanffy (VB ... consisted mainly of adult individuals between 1 and 3 years of age, with very few older fish.   File ... to be considered with caution. The estimated age range was 1–5 years for males and 1–4 years for ... population of C. wilsoni caught in the study area consisted mainly of adult individuals between 1 and 3 ... considérer les présentes données d’âge. L’intervalle d’âges estimé est 1–5 ans pour les mâles et 1–4 ans ... zone d’étude était principalement constituée d’individus adultes de 1 à 3 ans d’âge et de très peu de ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Autor(es): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock

2. Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels

   every 40 m averaged 0.22 m s –1 to 2 m depth, which would be equal to, or exceeded by, lines with 5 kg ... from 0.68 m s –1 (4 kg rocks) to 1.31 m s –1 (8 kg steel) in the shallow depth ranges. Hydrodynamically ... . Spanish-system longlines with 8 kg rock weights every 40 m averaged 0.22 m s–1 to 2 m depth, which would ... exceeded those of the Spanish system, ranging from 0.68 m s–1 (4 kg rocks) to 1.31 m s–1 (8 kg steel) in ... atteint 2 m de profondeur à une vitesse moyenne de 0,22 m s–1, vitesse également atteinte, ou même ... –1 (4 kg de pierres) à 1,31 m s–1 (lests de 8 kg en acier) dans les intervalles de faibles ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Autor(es): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon

3. A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies

   ’ selection at 1 000 mm length down to 1% selection for a length of 1 600 mm. When length-bin sampling ... sharp decline from ‘full’ selection at 1 000 mm length down to 1% selection for a length of 1 600 mm ... déclin abrupt, d’une sélection «totale» à 1 000 mm de longueur à une sélection de 1% pour la longueur ... de 1 600 mm. Lorsque les fréquences de l’échantillonnage par intervalles de Candy et al. 44 ... “полного” отбора для 1000 мм длины до 1% отбора для длины 1600 мм. Когда в определение относительных ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Autor(es): Candy, S.G., A.J. Constable, T. Lamb and R. Williams

4. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   1991, is 0.62 million tonnes year –1, equivalent to ~1% of the regional biomass estimated in 2000. Each ... subarea has also had its own catch limit, between 0.093 and 0.279 million tonnes year –1, since 2009 ... ‘trigger level’), established in 1991, is 0.62 million tonnes year–1, equivalent to ~1% of the regional ... tonnes year–1, since 2009. There is some evidence for a decline in the abundance of krill in the 1980s ... the Antarctic krill stock in the Atlantic sector (CCAMLR Statistical Subareas 48.1 to 48.4; Figure 1 ... each subarea was 0.68 million tonnes (Table 1). The CCAMLR Scientific Committee, which advises the ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Autor(es): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins

5. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

   abundance/biomass data exceeded a factor of 1:35, while inter-annual variability between available surveys ... reached only a factor of 1:1.6. Krill mortality was calculated by linearized catch curve analysis and ... . Seasonal variation between summer and winter abundance/biomass data exceeded a factor of 1:35, while ... interannual variability between available surveys reached only a factor of 1:1.6. Krill mortality was ... d'abondance et de biomasse d'ete et d'hiver depassait un facteur de 1:35, alors que la variabilite ... interannuelle entre les donnees de campagnes disponibles n'atteignait qu'un facteur de 1:1,6. La mortalite du ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Autor(es): Siegel, V.

6. An index of per capita recruitment

   recruitment (PCR) is proposed such that where R 1 is the proportion of age-l animals sampled in year y and M ... largest with high values of R 1; increasing M tends to offset this effect but only slightly. A simple ... sampling error was added to the value of R 1 used in the calculation of PCR and year-to-year random ... dans lequel R1 est la proportion d'individus d'5ge 1 echantillonnes en l'annee y et M est le taux de ... '5ge 1 se reproduisent; iii) on dispose d'un kchantillon representatif de la population; et iv) la ... proportion des individus d'bge 1 dans l'kchantillon peut Gtre determinee sans ambiguite. Les distributions ... mortalite est constante pour tous les Bges et toutes les annees, et lorsque tous les individus d'Bge 1 se ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Autor(es): Hewitt, R

7. Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)

   made at depths between 360 and 1 950 m. D. eleginoides was present in all hauls, with catches varying ... from 53 to 1 158 kg. The northward distribution of D. eleginoides is closely related to the extension ... Crozet Islands, outside EEZs and CCAMLR waters. A total of 57 hauls was made at depths between 360 and 1 ... 950 m. D. eleginoides was present in all hauls, with catches varying from 53 to 1 158 kg. The ... de la CCAMLR. Un total de 57 chalutages a été réalisé entre 360 et 1 950 m de profondeur. Des ... individus de D. eleginoides étaient présents dans chacun d’eux, avec des captures entre 53 et 1 158 kg. La ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Autor(es): López Abellán, L.J

8. 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 ... over most distances between points except for the distances smaller than 1 km. The computed frequency ... spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 .km the spectrum ... most distances between points except for the distances smaller than 1 km. The computed frequency ... spectre a ondes ressemble a un son blanc aux echelles de 2 a 20 km, mais aux echelles inferieures a 1 km ... inferieures a 1 km. La distribution calculee des frequences de la biomasse du krill est bimodale et semble ...

   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

9. Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean.

   shallower banks (<1 000 m), while D. mawsoni was caught on deeper slopes (>1 500 m). Separation of the ... . Ichii Fisheries Agency 1-2-1 Kasumigaseki, Chiyoda Tokyo 100-8907, Japan T. Iwami Tokyo Kasei ... on shallower banks (<1 000 m), while D. mawsoni was caught on deeper slopes (>1 500 m). Separation ... used for normal operations, while 1 950 and 2 016 hooks per line were used in the trot and Spanish ... number of fish caught per 1 000 hooks for all operations. It should be noted that the different gear ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 145–153 : Autor(es): Taki, K., M. Kiyota, T. Ichii and T. Iwami

10. Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia

    Bertalanffy equation estimated from 1 000 data records are: L t = 207.01 cm [1- e- 0.0748{t + 0.2898}]; where ... Bertalanffy equation estimated from 1 000 data records are: L, = 207.01[1 - e - 0.0748it + 0.289811; where L ... l'equation de von Bertalanffy B partir de 1 000 enregistrements de donnees sont les suivantes : L, = 207,01 ... [1 - e - 0,0748it + 0,2898}]; lorsque L, = 207,01 cm, K = +0,0748 et to = -0,2898. L'bge maximum de ... ~ a no o 6 e ~ ~ CTpYKTYpaM 6 b 1 n ~ MAeHTIIYHbIMH. K P H T ~ P H ~ ~ BMJIKOKCOH~ C IIOMOIQbH ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Autor(es): Cassia, M.C

Páginas