Resultados de la búsqueda

1. Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic

   hauling site. Observers reported that when vessels steamed away for between 20 and 30 n miles, killer ... H 302 14 4.6 46 15.2 0 0 I 319 14 4.4 78 24.5 20 6.3 J 712 30 4.2 119 16.7 14 2 K 346 12 3.5 18 ... –20 12 6.5 21–30 2 1.1 Table 4: The times at which interactions occurred with killer whales ... interactions between these two cetaceans during the past three years, but the nature of these interactions ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Autor(es): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins

2. Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000

   Entropy (MaxEnt) reconstructions of krill distribution and estimates of mean krill density within two ... survey boxes (dimensions 80 km × 100 km) north of South Georgia. The reconstructions were generated from ... 80 km transects in each box, providing about 1 600 density estimates per box. The MaxEnt technique ... krill distribution and estimates of mean krill density within two survey boxes (dimensions 80 km × 100 ... ( 19 97 ), JR 28 ( 19 98 ), JR 38 ( 19 99 ) an d A T L D ( 20 00 ). A xe s ar e ... been determined at approximately 0.5 km intervals along each of the ten 80 km transects in each box ... rectangles d’étude (dimensions : 80 km × 100 km) au nord de la Géorgie du Sud. Les reconstructions sont ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Autor(es): Wafy, M.H., A.S. Brierley, S.F. Gull and J.L. Watkins

3. Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements

   conducted regularly in some areas for nearly 20 years, and there is now a good appreciation of the range ... abundance has been subject to considerable research over the last 20 years (Greene et al., 1998), and it ... able to narrow the estimates of production from 75- 1 350 million tonnes per year (a factor of 20) to ... CIRCUMPOLAR ABUNDANCE OF ANTARCTIC KRILL BASED ON RECENT ACOUSTIC DENSITY MEASUREMENTS S. Nicol, A.J ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Autor(es): Nicol, S., A.J. Constable and T. Pauly

4. Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000

   biomass is shown. About 64% of the krill biomass was concentrated in krill swarms in the upper 80 m depth ... 20 00 19 83 19 90 Po te nt ia l F is hi ng G ro un d s (J an ua ry ... 59°S 60°S 61°S 200 g m-2 20 g m-2 2 g m-2 0.2 g m-2 31°W 30°W 29°W ... ’ 52°29’S D ep th (m ) 20 40 60 80 100 120 140 160 180 200 220 240 157 ... °S 57 °S 56 °S 55 °S 54 °S 53 °S 52 °S 240 220 200 180 160 140 120 100 80 60 40 20 2 g ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Autor(es): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky

5. Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile

   80 90 E ffo rt ( ha ul s ob se rv ed ) (a) 0 5 10 15 20 25 30 35 40 45 Jan Feb ... 20 30 40 50 60 70 80 90 E ffo rt ( ha ul s ob se rv ed ) (b) (a) (b) Hucke ... Sep Oct Nov Dec Month S pe rm w ha le s (in di vi du al s) 0 10 20 30 40 50 60 70 ... le ng th ( m m ) (a) y = 6.2936x + 173.06 R2 = 0.8552 0 5 10 15 20 25 30 40 50 60 70 ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Autor(es): Hucke-Gaete, R., C.A. Moreno and J. Arata

6. By-catch of fish in the krill fishery

   55 1335 1.16 75 9 2 60 23 46 18 780 600 70 100 1650 1.16 76 10 2 60 26 46 20 230 460 30 90 730 1.50 ... ~ «l ,!:1 p.. S- CIl x ,!:1 U x o xx X" " o 10 20 30 40 50 Krill CPUE ... , USSR 381 1. INTRODUCTION During the past 20 years a major krill fishery has become established ... have only a minor effect on the icefish. Approximately one haul in 20 was however taking large amounts ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Autor(es): Everson, I., A. Neyelov and Y.B. Permitin

7. Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory

   0.047 mm day –1, which is too slow to support the hypothesised 2-year life-span of this animal in the ... slow to support the hypothesised 2-year life-span of this animal in the field. Growth conditions of ... postulada para este animal en la region. Se discuten las condiciones de crecirniento del krill en el ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Autor(es): Ikeda, T. and P.G. Thomas

8. Status of the FIBEX acoustic data from the West Atlantic

   ~ ~ ~ H H ~ I X Ha 50 K ~ L I ( C S ~ M K ~ Walther Herwig), H AaHHbIX, C O ~ P ~ H H ~ I X Ha 120 ... CyqeCTBeHHbIM o 6 p a s o ~ Ha ~ ~ C C Y H T ~ H H O % 6Ho~acce. O Q ~ H K M , nonyYeHHble B p e 3 y n b ... about the parameters and constants used during the data collection. As it is now more than 12 years ... since the FIBEX data were collected and more than nine years since the Post-FIBEX Acoustic Workshop ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 35–48 : Autor(es): Trathan, P.N. and I. Everson

9. The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys

   abundant 1986 and 1987 year-classes and with a diminished rate of emigration of krill of these year-classes ... census surveys have been carried out over the whole area (south of 600 S between 60 and 80° E) and, in ... particular, in the southern coastal waters of the area (south of 65°30'S). Until 1988 krill biomass was ... 1990 Macro (fJ067°S 590000 125 30 47 28±9 - (January) flJ°to750£ 5 1990 Meso 65°30' to 67°08'S 53800 ... CO.llPY:>KeCTBa (65°30' - 68°00' lO.ill., 60-80° B . .ll') B 1988-1990 rr. (C6op npo6 TpaJIOM AH:3eKCa ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Autor(es): Bibik, V.A. and V.N. Yakovlev

10. Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during the 1990/91 austral summer

    and 30 mm correspond approximately to ages 3+ and 1 + years respectively. The 49 mm length mode is ... (b) Frontal zone 25 80 ,-... x 20 60 >. u 15 c: 40 cD :::J 10 c- cD ..... 20 u.. 5 ~ 0 0 ... c: cD 10 :::J ~ c- · . cD 20 · . .... 5 · n'l u.. '.' '.' 0 .. 0 i I I I I I 30 60 ... absentes des zones neritique et cotiere. Ceci met en evidence l'importance potentielle des ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 183–199 : Autor(es): Ichii, T., H. Ishii and M. Naganobu

Páginas