Resultados de la búsqueda

1. A revised assessment of the impact of the krill fishery on penguins in the South Shetlands

   antarctica) are closely associated with areas where sea-ice disappears earlier in spring, not necessarily ... with areas of high krill abundance. The overlap between trawling depth and foraging dive depth of ... preferred fishing areas during the breeding season. Compared with the level of biomass (≥200 xl03 tonnes ...

   Meeting Document : WG-Joint-94/17 : Autor(es): T. Ichii, M. Naganobu and T. Ogishima (Japan)

2. Diving pattern and performance in nonbreeding gentoo penguins (Pygoscelis papua) during winter

   , and compared foraging behavior with that of breeding (chick-rearing) birds. Foraging was highly ... diurnal with 98% of foraging trips completed during the same day. Foraging-trip frequency was 0.8/day ... patterns, averaging 10-20 m at dawn and dusk and 70-90 m at midday. These results are consistent with the ...

   Meeting Document : WG-CEMP-92/37 : Autor(es): T.D. Williams (United Kingdom), A. Kato (Japan), J.P. Croxall (United Kingdom), Y. Naito (Japan), D.R. Briggs, S. Rodwell and T.R. Barton (United Kingdom)

3. Larval development and spawning ecology of euphausiids in the Ross Sea and its adjacent waters in 2004/05

   juvenile or adult stages. Eggs and larvae of E. superba occurred with gravid females along the slope, but ... the more northern species with the exception of E. crystallorophias, which recruited before E. superba ... . The intense spawning of E. crystallorophias and E. superb coincided with a period of development of a ...

   Meeting Document : WG-EMM-10/P06 : Autor(es): K. Taki, T. Yabuki, Y. Noiri, T. Hayashi and M. Naganobu

4. Linking predator and prey behaviour: contrasts between Antarctic fur seals and macaroni penguins at South Georgia

   occurred in 80% of fur seal diet samples, with fish remains in 37% of samples. Penguin diets contained the ... Electrona antarctica), with krill (33%) and amphipods (Themisto gaudichaudii; 21%) also occurring. When ... South Georgia, consistent with an area of high macrozooplankton biomass, but fur seals were apparently ...

   Meeting Document : WG-EMM-10/P07 : Autor(es): C.M. Waluda, M.A. Collins, A.D. Black, I.J. Staniland and P.N. Trathan

5. Decadal trends in abundance, size and condition of Antarctic toothfish in McMurdo Sound, Antarctica, 1972–2011

   then decreased. Fish length positively correlated with Ross Sea ice extent in early spring, a ... the study area. Fish condition positively correlated with the amount of open water in the Ross Sea ... during the previous summer (Feb), perhaps reflecting greater availability of prey with the higher ...

   Meeting Document : WG-FSA-12/P04 : Autor(es): D.G Ainley, N. Nur, J.T Eastman, G. Ballard, C.L Parkinson, C.W Evans and A.L. DeVries

6. The annual random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2012

   RSTS were generally high in comparison with previous years, with the total fish catch being twice as ... for coral, with a reported catch of 0.6 t, being significantly greater than the long term average (50 ...

   Meeting Document : WG-FSA-12/25 : Autor(es): G.B. Nowara and T. Lamb (Australia)

7. Foraging zones of the two sibling species of giant petrels in the Indian Ocean throughout the annual cycle: implication for their conservation

   higher than interspecific ones, with females showing a greater distribution range than males in both ... months. These results have important conservation implications, with males and females facing different ... more likely to overlap with high sea longlining such as tuna fisheries. Author(s):  L. Thiers, K ...

   Meeting Document : WG-FSA-12/67 : Autor(es): L. Thiers, K. Delord, C. Barbraud (France), R.A. Phillips (United Kingdom) and H. Weimerskirch (France)

8. A preliminary stock assessment in SSRUS 486A, G: A Bayesian and CPUE based biomass dynamic model

   area of 48.6 (SSRU 48.6A, 48.6G). Antarctic and Patagonian toothfish presented a high proportion with ... assessment model, it is highly recommendable to continue with the collection of the data by scientific ... with little information of abundance such as presented here. Author(s):  R. Wiff, J.C. Quiroz (Chile ...

   Meeting Document : WG-SAM-13/29 : Autor(es): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)

9. Dynamic of the krill fishery in the Area 48 and its relation to climate variability and changes in fishing technology

   .  Standardization of CPUE values was calculated on the basis of generalized linear models method with mixed effects ... indices for the whole observation period 1985-2011.  Analysis of krill fishery indices obtained with using ... different fishing technologies revealed that the “high CPUEs” regime is not associated with the changes in ...

   Meeting Document : WG-EMM-13/25 : Autor(es): P.S. Gasyukov and S.М Kаsatkina (Russia)

10. An assessment of the use of ocean gliders to undertake acoustic measurements of zooplankton: the distribution and density of Antarctic krill in the Weddell Sea

    survey boxes showed features coherent with ship-borne measurements, with peak densities in both boxes ... monitoring. With appropriate survey design, gliders can be used for estimating krill distribution and ...

    Meeting Document : WG-EMM-14/P02 : Autor(es): D. Guihen, S. Fielding, E. Murphy, K. Heywood and G. Griffiths

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