Search results
-
Diet of grey-headed albatrosses at the Diego Ramírez Islands, Chile: ecological implications
in 103 chick regurgitates obtained during breeding seasons 2000, 2001 and 2002. The squid Martialia ... hyadesi predominated in the diet samples in 2001 and 2002 (89% and 81% of reconstituted mass ... in 2001 and 2002. Chick growth rate during 2000 was also the lowest recorded. This suggests ... in 103 chick regurgitates obtained during breeding seasons 2000, 2001 and 2002. The squid Martialia ...
Meeting Document : WG-FSA-04/12 : Author(s): J. Arata (Chile), G. Robertson (Australia), J. Valencia (Chile), J.C. Xavier (UK) and C.A. Moreno (Chile)
-
A TALE OF TWO ISLANDS: CONTRASTING FORTUNES FOR SUBANTARCTIC SKUAS AT THE PRINCE EDWARD ISLANDS
at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in December 2001 ... at Prince Edward Island increased from 2001 to 2008, probably as a result of better coverage in 2008 ... , whereas the number of skua nests on Marion Island was barely half that counted in 2001, continuing ... at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in December 2001 ...
Meeting Document : WG-EMM-10/P3 : Author(s): P.G. Ryan, P.A. Whittington and R.J.M. Crawford
-
SUMMER SURVEY OF FUR SEALS AT PRINCE EDWARD ISLAND, SOUTHERN INDIAN OCEAN
December 2008. This repeats a survey conducted in December 2001 and extends the area surveyed to include ... of 11.4% per year from 2001. With an estimated 810 pups, the Antarctic fur seal is still in the rapid ... % per year between 1987/1988 and 2001/2002, and the population is in the mature phase of population ... . This repeats a survey conducted in December 2001 and extends the area surveyed to include the entire south-west ...
Meeting Document : WG-EMM-10/P15 : Author(s): M.N. Bester, P.G. Ryan and J. Visagie
-
A tale of two islands: contrasting fortunes for sub-Antarctic skuas at the Prince Edward Islands
at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in December 2001 ... at Prince Edward Island increased from 2001 to 2008, probably as a result of better coverage in 2008 ... , whereas the number of skua nests on Marion Island was barely half that counted in 2001, continuing ... at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in December 2001 ...
Meeting Document : WG-EMM-10/P03 : Author(s): P.G. Ryan, P.A. Whittington and R.J.M. Crawford
-
Summer survey of fur seals at Prince Edward Island, southern Indian Ocean
December 2008. This repeats a survey conducted in December 2001 and extends the area surveyed to include ... of 11.4% per year from 2001. With an estimated 810 pups, the Antarctic fur seal is still in the rapid ... % per year between 1987/1988 and 2001/2002, and the population is in the mature phase of population ... . This repeats a survey conducted in December 2001 and extends the area surveyed to include the entire south-west ...
Meeting Document : WG-EMM-10/P15 : Author(s): M.N. Bester, P.G. Ryan and J. Visagie
-
Review of national research on seabirds in New Zealand
Abstract: Research undertaken in New Zealand on seabird interactions with fisheries, and research ... Research undertaken in New Zealand on seabird interactions with fisheries, and research ...
Meeting Document : WG-FSA-04/53 : Author(s): S.M. Waugh and A. Connell (New Zealand)
-
Mitigating killer whale depredation on demersal longline fisheries by changing fishing practices
) interacting with Patagonian toothfish (Dissostichus eleginoides) longliners off the Crozet islands. Data ... of the killer whale population allowed us to model interactions with whales, CPUE and time it takes for whales ... generalized linear mixed models. The probability of interactions between vessels and killer whales ... ) interacting with Patagonian toothfish (Dissostichus eleginoides) longliners off the Crozet islands. Data ...
Meeting Document : WG-FSA-14/P03 : Author(s): P. Tixier, J. Vacquie Garcia, N. Gasco, G. Duhamel and C. Guinet
-
Biomass/CCAMLR krill review
, and predator consumption rates. Various models of interactions between krill and its major predators, including ... marine ecosystem components, and on interactions between them, precludes the implementation ... , and predator consumption rates. Various models of interactions between krill and its major predators, including ... marine ecosystem components, and on interactions between them, precludes the implementation ...
Meeting Document : SC-CAMLR-VII/BG/39 : Author(s): D.G.M. Miller and I. Hampton (South Africa)
-
COLLAPSE OF SOUTH AFRICA’S PENGUINS IN THE EARLY 21ST CENTURY
from about 56 000 pairs in 2001 to some 21 000 pairs in 2009, a loss of 35 000 pairs (>60%) in eight ... of purse-seine fisheries. In Algoa Bay, numbers of African penguins halved from 21 000 pairs in 2001 to 10 ... 000 pairs in 2003. In the Western Cape, numbers decreased from a mean of 35 000 pairs in 2001–2005 ... 000 pairs in 2001 to some 21 000 pairs in 2009, a loss of 35 000 pairs (>60%) in eight years ...
Meeting Document : WG-EMM-11/P8 : Author(s): R.J.M. Crawford, R. Altwegg, B.J. Barham, P.J. Barham, J.M. Durant, B.M. Dyer, D. Geldenhuys, A.B. Makhado, L. Pichegru, P.G. Ryan, L.G. Underhill, L. Upfold, J. Visagie, L.J. Waller and P.A. Whittington
-
RECENT POPULATION ESTIMATES AND TRENDS IN NUMBERS OF ALBATROSSES AND GIANT PETRELS BREEDING AT THE SUB-ANTARCTIC PRINCE EDWARD ISLANDS
remained stable, whereas the population on Prince Edward Island decreased by 20% from 2001 to 2008 (3% per ... in 2001 and 2008. Counts of both sooty albatrosses Phoebetria spp. were substantially higher at Prince ... Edward Island in 2008, possibly as a result of better coverage compared to 2001. Dark-mantled sooty ... the population on Prince Edward Island decreased by 20% from 2001 to 2008 (3% per year). The estimate of Indian ...
Meeting Document : WG-EMM-10/P4 : Author(s): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford