Resultados de la búsqueda

1. Fishery Report: Exploratory fishery for Dissostichus spp. in Subarea 48.6

   under way by one vessel in the SSRUs north of 60°S. Table 1(a): Catch history for Dissostichus spp ... medium for two vessels and high for one vessel which fished in 2009/10 (see Weighted Frequency ... tonnes south of 60°S. Carry forward Season 1 December to 30 November Same period By-catch Regulated ... setting. Carry forward Observers At least two (2) scientific observers, one of whom shall be appointed ...

   Document : Site Section: Publications

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. An update on the ageing of Antarctic toothfish, Dissostichus mawsoni, from East Antarctica and the Amundsen Sea

   %). Sister pairs of Antarctic toothfish otoliths were also prepared, one using the ‘bake and embed’ method ... each method. The values of IAPE and CV were acceptable between the two methods of preparation for ... vessel in Subarea 88.2 in the 2014-2015 season and in Division 58.4.1 in the 2015-2016 season, were aged ... sampling areas in East Antarctica and the Amundsen Sea. Author(s):  G. Nowara, B. Farmer, T. Barnes, P ...

   Meeting Document : WG-FSA-17/15 : Autor(es): G. Nowara, B. Farmer, T. Barnes, P. Ziegler and D. Welsford

4. First increment validation of Patagonian toothfish (Dissostichus eleginoides) from Heard Island

   one opaque and one translucent increment is formed each year on the sectioned face of sagittal ... Abstract:  Patagonian toothfish, (Dissostichus eleginoides) have traditionally been aged assuming ... routinely ageing D. eleginoides, resulting in differences of ageing data presented. One area that was ... previously aged samples from the Heard and Macquarie Islands fisheries. These data suggest that the protocol ...

   Meeting Document : WG-FSA-05/61 : Autor(es): K. Krusic-Golub, C. Green and R. Williams (Australia)

5. 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

6. Fishery Report: Dissostichus eleginoides Crozet Island inside the French EEZ (Subarea 58.6)

   the following year, the season used in this report is the CCAMLR season (1 December to 30 November ... of the following year). 40°E 45°E 50°E 55°E 60°E 50°S 48°S 46°S 44°S B C D ... . eleginoides caught by longline range from 40 to 130 cm in length, with a mode at approximately 70–80 cm at ... the beginning of the series, and 55–80 cm in recent seasons. TOP586 FRA EEZ 3 Figure 2 ...

   Document : Site Section: Publications

7. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2006/07

   management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3-year ... Shelf in 1999 and 2001), these year classes are not seen in large numbers in later years in the fishery ... years in Subarea 88.1 and for five years in Subarea 88.2. This report summarises the large amount of ... SSRUs in the two subareas except for 881D and 882C have now been fished. The 2007 D. mawsoni catch was ...

   Meeting Document : WG-FSA-07/28 : Autor(es): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

8. 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

9. Measurements of sound-speed and density contrasts of Antarctic krill (Euphausia superba) on board RV Kaiyo Maru

   -density contrasts between the animal and the surrounding water are required. Sound-speed and mass-density ... target strength and its directivity of krill were calculated using the stochastic DWBA model. Author(s ...

   Meeting Document : WG-EMM-08/56 Rev. 1 : Autor(es): Y. Takao, H. Yasuma, R. Matsukura, K. Amakasu and M. Naganobu (Japan)

10. Spatial distribution and swarm characteristics of Antarctic krill around the South Shetland Islands

    markedly higher than the other two years. Meanwhile, much more swarms (1055) were detected in February 2018 ... 2013, March 2015, January 2016 and February 2018 around South Shetland Islands. The swarm ... as swarms in a patchy fashion and the mean krill densities in December 2013 and February 2018 were ... than the other three years. The results also indicated that more krill swarms located at deeper water ...

    Meeting Document : WG-EMM-18/42 : Autor(es): X. Yu, X. Wang and X. Zhao

Páginas