Результаты поиска
-
Seabird avoidance measures for small Alaskan longline vessels
16.8 m and with infrastructure (a 45-m streamer line with a minimum aerial distance of 20 m) was ... achievable and practical regardless of vessel size, especially with a lighter streamer line design. However ... , the current requirement for small vessels using fixed gear of a single streamer line with no mandatory ...
Meeting Document : WG-FSA-05/36 : Автор(ы): E.F. Melvin and M. Wainstein (USA)
-
ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT
early closure of the fishery with only 58.9 t of the 75 t TAC of D. eleginoides taken; 2. The target ... tagging rate of 5 fish per tonne was exceeded by both vessels, with 344 D. eleginoides tagged and released ... 48.4 and 48.3. 8. CASAL estimates of D. eleginoides population size in the North of 48.4 agree with ... simple Petersen and local CPUE estimates, with a B0 of 1143 t and B2009/B0 of 85%. 9. The sustainable ...
Meeting Document : WG-FSA-09/17 : Автор(ы): J. Roberts and D.J. Agnew (United Kingdom)
-
Analysis of the diet of Champsocephalus gunnari in Subarea 48.3, in late summer of years 1994–97, Dr E. Holmberg surveys
with/without food in the area of investigation didn't show a consistent pattern from year to year ... , phenomenon for which non consistent explanation was found. The variation of the diet with respect to the ... abundance; and high in 1946 and 1997, in line with the years of krill richness. This information is well in ... accord with independent information from acoustic surveys and krill dependent species monitored in the ...
Meeting Document : WG-FSA-97/48 : Автор(ы): Barrera-Oro, E., Marschoff, E., Casaux, R.
-
Preliminary results on by-catch of fishes caught by the fishery vessel Chiyo Maru No. 3 to the north of the South Shetland Islands (February to March, 1996)
in 41 hauls. Notothenioid juveniles were found in 30 hauls carried out in waters with a depth of 87 ... in 11 hauls operated at some distance from the shelf, in the offshore waters with a depth of 275 ... -1780m (average 1006m). Notothenioid juveniles never caught with bathypelagic fish species in all hauls ... occurred in hauls with lower krill CPUE. Author(s): Ichii, T., Kawaguchi, S., Naganobu, M. Title ...
Meeting Document : WG-EMM-96/52 : Автор(ы): Ichii, T., Kawaguchi, S., Naganobu, M.
-
Zooplankton target strength: volumetric or areal dependence?
kHz and I MHz data were collected with a dual-beam sonar system and the 200 kHz data with a split-beam ... system. Experiments were conducted with live, tethered individuals in an enclosure filled with filtered ...
Meeting Document : WG-Krill-94/13 : Автор(ы): D.A. Demer and L.V. Martin (USA)
-
Секретариат
the Government of Australia in respect of CCAMLR's operations in Australia. In collaboration with ... detailed in the Convention Text. These include: facilitating communications with and between Members ... Documentation Scheme (CDS), and monitoring compliance with Conservation measures and other decisions of the ... , mission and goals for the Secretariat, together with the roles and responsibilities for the Secretariat ...
Page : Site Section: The Organisation
-
Otolith elemental signatures reveal habitat shift of Electrona carlsbergi
. carlsbergi hatched in two different areas, E. carlsbergi with Type I otolith could hatched in the oceanic ... across different fronts into the Antarctic waters from the warmer waters after age 1. E. carlsbergi with ... sub-Antarctic Front into the open waters (oceanic regions of APFZ) with the influence of eastward ... , otolith elemental signature analysis with coupling to water chemistry can be useful to ascertain migration ...
Meeting Document : WG-FSA-17/65 : Автор(ы): L. Wei and G.P. Zhu
-
An assessment of the impact of krill fishery on penguins in the South Shetlands
. Compared with the level of biomass (≥200 x 10 3 tonnes) and its variability (the order of 100 x 10 3 ... within the preferred fishing areas during the breeding season. Compared with the level of biomass (2200 ... fishery began with a low catch in late December, followed by catches of 3 300 to 10 000 tonnes/lO-day ... the history of the Japanese krill fishery. The 1990/91 fishing season began with very low catches ... began with a low catch in December, followed by roughly constant catch levels of 4 300 to 5 800 tonnes ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Автор(ы): Ichii, T., M. Naganobu and T. Ogishima
-
Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
new, precautionary assessment of exploitation rate in this fishery. The effective regional catch limit ...
Meeting Document : WG-EMM-16/21 : Автор(ы): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins
-
Progress towards validation of ageing of Dissostichus eleginoides using otoliths
, fish have been treated with strontium to mark their otoliths for validation of subsequent age ... annuli on the otoliths after the strontium mark was consistent with the time at liberty of the fish after ... marking. Current and future work on age validation is designed to address outstanding problems with age ...
Meeting Document : WG-FSA-04/67 : Автор(ы): K. Krusic-Goluband R. Williams (Australia)
Страницы
- « первая
- ‹ предыдущая
- …
- 481
- 482
- 483
- 484
- 485
- 486
- 487
- 488
- 489
- …
- следующая ›
- последняя »