Resultados de la búsqueda

1. Krill length and age at maturity

   calculate length and age at maturity for the Antarctic krill Euphausia superba. L50 values of 34.62 to 35.90 ... identical for krill. Comparisons with length at age data show that females mature in the third year of the ... later at a length between L50 = 43.33 and 43.79 mm. Length at maturity, and length at first spawning are ... age at maturity Approval:  Approved ...

   Meeting Document : WG-KRILL-93/40 : Autor(es): V. Siegel (Germany) and V. Loeb (USA)

2. Monitoring krill population variability using seabirds and seals at South Georgia – new samplers provide new insights

   distribution and abundance of a single dominant zooplankton species, Antarctic krill Euphausia superba. At ... of predators at temporal scales not available using conventional (i.e. ship based) sampling methods ... growth and mortality in generating the high amplitude of variability in krill abundance at South Georgia ... frequently detected in the response of upper-trophic level predators. Analysis of the changes in the ...

   Meeting Document : WG-EMM-04/63 : Autor(es): K. Reid, E.J. Murphy, J.P. Croxall and P.N. Trathan (United Kingdom)

3. Marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 1994/95

   of the very low breeding numbers of mollymawks at Bird Island in 1994/1995 and, second, because the ... recording year at Bird Island. Author(s):  Delegation of the United Kingdom Title:  Marine debris and ... Abstract:  This report describes and quantifies the occurrence of marine debris and fishing gear ... number of plastic debris items and fishing hooks and lines found. Although this result is encouraging ...

   Meeting Document : SC-CAMLR-XIV/BG/09 : Autor(es): Delegation of the United Kingdom

4. CEMP cameras data validation experiment at the Galindez Island gentoo penguins (Pygoscelis papua) colonies

   lapse cameras of the CEMP camera monitoring project of CCAMLR at Galindez Island gentoo colonies. During ... Abstract:  We inform on the results of data validation experiment provided for pictures from time ... the 2017-2018 season biologists winterers at Vernadsky station, situated at Galindez Island, provided ... continuous observations every day of gentoo nests in the three sites where automatic time lapse cameras ...

   Meeting Document : WG-EMM-18/26 : Autor(es): A. Dzhulay, V. Smagol, G. Milinevsky, I. Dykyy, A. Simon, M. Telipska, E. Dykyy and L. Pshenichnov

5. Fishing equipment, marine debris and hydrocarbon soiling associated with seabirds at Bird Island, South Georgia, 2005/06

   exception of black browed albatross. Entanglements continue to be observed at a rate similar to that of ... occurrence of debris and fishing gear at Bird Island remains substantially lower than during a peak that ... Abstract:  This report describes and quantifies occurrences of fishing gear, marine debris and oil ... associated with seabirds at Bird Island, South Georgia from 1 April 2005 to 31 March 2006. It is the ...

   Meeting Document : SC-CAMLR-XXV/BG/11 : Autor(es): Delegation of the United Kingdom

6. Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2004/05

   Abstract:  The eighth complete consecutive season of data collection at Cape Shirreff has enabled ... decline over the past six years, and is at its lowest size in the past eight years of study, and fledging ... diet, and foraging behaviour. The chinstrap breeding population at Cape Shirreff has continued to ... success was poor compared to earlier years of study. The gentoo breeding population, in contrast, has ...

   Meeting Document : WG-EMM-05/9 : Autor(es): A.K. Miller, E. Leung and W.Z. Trivelpiece (USA)

7. Predicting changes in the Antarctic krill Euphausia superba population at South Georgia

   length ill the diet of predators at South Georgia from 1991-1997, allowed predictions to be made about ... first occasion when the future status and structure of the krill population at South Georgia has been ... environmental variation at a range of spatial scales. Author(s):  K. Reid, K.E. Barlow, J.P. Croxall and R.I ... of Antarctic krill Euphausia superba and subsequent effects on dependent predators. However, the ...

   Meeting Document : WG-EMM-99/37 : Autor(es): K. Reid, K.E. Barlow, J.P. Croxall and R.I. Taylor (UnitedKingdom)

8. Cephalopods and mesoscale oceanography at the Antarctic polar front: satellite tracked predators locate pelagic trophic interactions

   monitor foraging at sea in January-March 1994. A foraging area at the PFZ, north of South Georgia, was ... Abstract:  Predator data and exploratory fishing in the Scotia Sea have revealed the presence of ... used satellite tagged predators and shipboard acoustics for coarse and fine scale location of ... between cephalopod distribution and mesoscale oceanographic features at the PFZ. Satellite tags were ...

   Meeting Document : WG-EMM-96/12 : Autor(es): Murphy, E.J., Trathan, P.N., White, M.G., Bone, D.G., Hatfield, E.M.C., Rodhouse, P.G., Prince, P.A., Watkins, J.L.

9. Population trends and reproductive success at a frequently visited penguin colony on the western Antarctic Peninsula

   frequently visited locations, is at the epicenter of a rapid shift in which an Adélie penguin dominated fauna ... Adélie and gentoo penguins breeding at Petermann Island were monitored to identify drivers of this rapid ... to other sites and is an unlikely explanation for the precipitous decline of Adélie penguins at ... Abstract:  Petermann Island (65°10'S, 64°10'W), one of the Antarctic Peninsula’s most ...

   Meeting Document : WG-EMM-16/P07 : Autor(es): H.J. Lynch, W.F. Fagan and R. Naveen

10. New bird guide for observers at sea in southern Indian Ocean

    Abstract:  This photographic guide has been developed with the aim of assisting observers at sea ... in the correct identification of seabirds. It does this through providing several images for each ... species, at different stages and different angles both in the air and in the water. This project has been ... achieved thanks to French observers at sea working in Kerguelen and Crozet waters under the TAAF ...

    Meeting Document : WG-FSA-15/70 : Autor(es): N. Gasco, K. Delord and C. Barbraud (France)

Páginas