Результаты поиска
-
Target strength estimation of Antarctic krill, Euphausia superba by cooperative experiments with commercial trawlers
Abstract: An estimate of target strength of Antarctic krill, Euphausia superba was obtained by a ... series of cooperative experiments between research vessel and commercial krill trawler. Estimated target ... strength per 1g wet weight of Antarctic krill was-66.ldB a t the frequency of 200kHz. Average size of krill ... Antarctic krill, Euphausia superba by cooperative experiments with commercial trawlers Approval: Approved ...
Meeting Document : SC-CAMLR-VIII/BG/30 : Автор(ы): Delegation of Japan
-
Krill distribution related to water structure and dynamics on the South Georgia shelf in January 2000 (AtlantNIRO-BAS Core Programme 1999/2000)
Abstract: Research on water structure and dynamics, krill biomass assessment, biology and ... each box. Krill were distributed rather evenly throughout both boxes, but no dense concentrations were ... apparent. In the western box krill density was nearly 0.2 glm3 and in the eastern box was 1.8- 4.7 glm3 ... • Juvenile krill of 30-36 mm length were observed in the shelf zone and larger specimens, including spawning ...
Meeting Document : WG-EMM-00/51 : Автор(ы): V.A. Sushin (Russia), P.P. Chernyshkov (Russia), F.F. Litvinov (Russia), J.L. Watkins (United Kingdom) and A.S. Brierley (United Kingdom)
-
Preliminary results of the experiments on the krill transport study in the South Orkney area (April 1992)
area. The krill biomass was estimated within the square at the start and the end of works. It amounted ... assessment of krill density and oceanological stations were carried out along the square perimeter. Four ... average estimates of krill density were obtained by 15-miles intercepts of the perimeter, along with mean ... water flow and geostrophic currents. The balance of krill input and output for the square was calculated ...
Meeting Document : WG-CEMP-92/34 : Автор(ы): L.G. Maklygin, V.N. Shnar, A.P. Malyshko (Russian Federation) and A.G. Shepelev (Ukraine)
-
Analysis of variables influencing finfish by-catch in the krill fishery in Area 48
variables influencing finfish bycatch in the krill fishery of Area 48. Records of finfish bycatch in the ... Area 48 krill fishery collected by observers on the FV Saga Sea were analysed over the period 2007/08 ... , krill catch, sea surface temperature, bottom depth and fishing depth and season were all significantly ... associated with the presence of finfish bycatch in the Saga Sea krill fishery for at least one family and ...
Meeting Document : WG-EMM-12/28 : Автор(ы): S.M. Martin, T. Peatman, J. Moir Clark (United Kingdom), O.R. Godø (Norway) and R.C. Wakeford (United Kingdom)
-
Key considerations for planning a large-scale krill survey
management (FBM) approaches for the krill stock in subareas 48.1 to 48.4. These approaches include some which ... needs reliable indicators of krill stock size at appropriate spatial scales. It is likely that future ... FBM approaches will require regular information on krill stock size at relatively fine spatial scales ... ) might also play a role in the future management of the krill fishery. Such surveys provide an indication ...
Meeting Document : WG-EMM-15/27 : Автор(ы): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)
-
Catchability of midwater trawls in relation to krill fishery
, krill aggregations distribution in the study area is discussed. It is shown that while the trawl ... selectivity affects krill length composition in each trawl sample, the trawl catchability affects the ... estimation of total krill lengths distribution, obtained on the basis of trawl samples from different catched ... total distribution of krill length, obtained using weighting of trawl samples (usually 200 ind.) against ...
Meeting Document : WG-EMM-98/20 : Автор(ы): S.M. Kasatkina (Russia)
-
Spatial and temporal distribution of krill Euphausia superba biomass in the Ross Sea (1989/90, 1994/95)
- Januar 1990 and November- December 1994), presents how is spatial and temporal distribution of krill ... polynia area) and moved towards North. All the time daytime was prevaled. Krill in aggregations both below ... , many times, on the pieces of ices broke up by icebreaker, individuals of krill were observed, it can be ... supposed that below ice krill occurred mainly in scattered forms very close to surface. Aggregations of ...
Meeting Document : WG-EMM-97/53 : Автор(ы): Kalinowski, J., Azzali, M.
-
On the examining of krill flux
Abstract: In connection with future calculation of volume of krill immigration/emigration (flux ... ) in the choosen polygones, the proves of active long-distance migrations of krill are considered ... results of calculations, is the valuation of krill retention time. To make it more correct and natural it ... is necessary to take into account the biological characteristics of krill, especially for the regions ...
Meeting Document : WG-EMM-95/19 : Автор(ы): Makarov, R.
-
Distribution and abundance of krill in the vicinity of Elephant Island in the 1992 austral summer
Abstract: Krill distribution and abundance were estimated from four acoustic surveys, conducted ... surveys covered a 60 by 35 n.mi. area immediately north of Elephant Island. During the first survey, krill ... highest densities of krill were over the shelf extending to the northwest from Elephant Island and ... including the Seal Island archipelago; high densities of krill also extended off the shelf from the ...
Meeting Document : WG-CEMP-92/15 : Автор(ы): R.P. Hewitt and D.A. Demer (USA)
-
A synoptic review of energetic requirements of southern ocean krill predators
requirements of krill predators that may be in the most direct competition with the krill fishery. These krill ... compiled for each species. Estimates' of the amount of krill needed. to sustain individuals and/or ... review of energetic requirements of southern ocean krill predators Approval: Approved ...
Meeting Document : WG-EMM-96/19 : Автор(ы): Stansfield, A.M.
Страницы
- « первая
- ‹ предыдущая
- …
- 225
- 226
- 227
- 228
- 229
- 230
- 231
- 232
- 233
- …
- следующая ›
- последняя »