Результаты поиска

1. Marine ecosystem acoustics (MEA): quantifying processes in the sea at the spatio-temporal scales on which they occur

   monitoring. Realistic understanding of what can and cannot be achieved with the available sampling techniques ... -space scales at which they occur, which is essential for some of the management challenges of CCAMLR ... , for example the FBM.   Sustainable management of fisheries resources requires quantitative knowledge ... . Conventional sampling by physical capture is inconsistent with the spatial and temporal scales on which many of ...

   Meeting Document : WG-EMM-15/P01 : Автор(ы): O.R. Godø, N.O. Handegard, H.I. Browman, G.J. Macaulay, S. Kaartvedt, J. Giske, E. Ona, G. Huse and E. Johnsen

2. A study on calibration for commercial echosounder using the bottom backscattering strength from a fishing vessel near the South Shetland Islands in Antarctic

   fishing vessel to use it in estimating biomass of Antarctic krill (Euphausia superba). The method of ... calibration was to analyze the difference between the bottom backscattering strength of the commercial ... , was examined to verify the calibration result. The analysis result confirmed the possibility of ... calibration by bottom backscattering strength, since the proportion of krill swarm signals within 2 dB < S ...

   Meeting Document : WG-EMM-16/61 : Автор(ы): Delegation of the Republic of Korea

3. Unfolding connectivity patterns along the Antarctic Circumpolar Current in the sub-Antarctic region

   well the extent of phytoplanktonic blooms occurring for hundreds of kilometres in the wake of nutrient ... dispersal patterns of the water within and beyond the EEZs in the sub-Antarctic. These patterns inform on ... the incoming and outcoming pathways of tracers transported in the upper layer, like fish larvae and ... southern boundary of the Antarctic Circumpolar Current (ACC)-falls under many distinct jurisdictions ...

   Meeting Document : WG-EMM-2019/71 : Автор(ы): S. Sergi, G. Grizaud, C. Cotté and F. d’Ovidio

4. Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1998–1999

   % more than the number of hooks set in 1997-98, but only 79 seabirds (150/0 of the total killed in 1997 ... the same vessel, using the same gear design and at the same time of year, show marked decreases in ... Petrels P. cinerea (6%). A worrying development is the increase in numbers of Grey Petrels killed (only ... primarily linked to daytime sets, with most birds caught in the late afternoon or shortly after dusk. Use of ...

   Meeting Document : WG-FSA-99/42 Rev. 1 : Автор(ы): P.G. Ryan and B.P. Watkins (South Africa)

5. Seabird mortality in the longline fishery for Patagonian toothfish at the Prince Edward Islands: 1996–1997

   . Given the low reproductive rate of these species, these levels of mortality (exacerbated by mortality in ... the impact of uncontrolled fishing renders the last option impractical in the short term. It is ... . This paper summarizes the mortality of seabirds associated with this fishery during the year July 1996 ... fishing trips. Some 3.2 million hooks were observed during the period November-June, representing 84 % of ...

   Meeting Document : WG-FSA-97/51 : Автор(ы): Boix-Hinzen, C., Enticott, J.W., Ryan, P.G., Wanless, R., Purves, M., Nel, D.C.

6. Seabird mortality in the Patagonian toothfish longline fishery around the Prince Edward Islands, 1996–2000

   (a globally important seabird breeding site) commenced in 1996 following high levels of Illegal ... trips between 1996 and 2000, allowing a thorough excellent understanding of the impact of this fishery ... in their bills. Albatross carcasses also contained large numbers of baits, indicating that fishers ... seabird bycatch in the sanctioned fishery decreased from 0.19 birds/1000 hooks to 0.034 birds/1000 hooks ...

   Meeting Document : WG-FSA-01/8 : Автор(ы): D.C. Nel, P.G. Ryan and B.P. Watkins (South Africa)

7. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season

   those presented in 2005. The inclusion of the 2005 tag-release and the 2006 tag-recapture data had a ... Abstract:  We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B ... reference case resulted in a much higher estimate of initial biomass, though this appeared to be almost ...

   Meeting Document : WG-FSA-06/60 : Автор(ы): A. Dunn and S.M Hanchet (New Zealand)

8. Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1999–2000

   sanctioned fishing trips. Fishing effort was 7.4 million hooks, a 45% increase on the number of hooks set in ... that reported in either 1996/97 or 1997/98. The absolute number of birds killed increased more than ... previous years, much of the variance could be explained in terms of fishing season (higher bycatch rate in ... Abstract:  This paper summarises seabird bycatch during the fourth year (July 1999-June 2000) of ...

   Meeting Document : WG-FSA-00/30 : Автор(ы): P. Ryan and B. Watkins (South Africa)

9. How much do icefish (Notothenioidei, Channichthyidae) eat in the southern Scotia Arc and the Antarctic Peninsula region?

   of the Antarctic Peninsula. Variability of food consumption was comparatively low between years in ... daily food intake of demersal Antarctic fish both available in the scientific literature and from our ... about 48 hours while the digestion of fish prey takes likely in excess of 96 hours, our data are well in ... , Cryodraco antarcticus, and Chaenodraco wilsoni) ice fish species were estimated around islands of the ...

   Meeting Document : WG-FSA-10/18 : Автор(ы): K.-H. Kock (Germany), C.D. Jones (USA), J. Gröger and S. Schöling (Germany)

10. 2006–2013 fish distribution and biomass in the Kerguelen EEZ (CCAMLR DIVISION 58-5-1) for the bathymetric range 100–1 000 m

    Abstract:  Three fish biomass surveys have been recently undertaken in the northern part of the ... 40% of the total biomass on the shelf and surrounding deep-sea, is the dominant species in terms of ... first ones taking into account all the fish components of a surveyed area in the Southern Ocean ... ” repeating the same random and stratified sampling stations in the bathymetric range 100 – 1000 m. Data on ...

    Meeting Document : WG-FSA-14/07 : Автор(ы): G. Duhamel, M. Hautecœur and R. Sinegre (France)

Страницы