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Documents disponibles écrits par cet auteur (9)
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Article
Yutaka Watanuki, Auteur ; Takashi Yamamoto, Auteur ; Ai Yamashita, Auteur ; Chihiro Ishii, Auteur ; Yoshinori Ikenaka, Auteur ; Shouta M. M. Nakayama, Auteur ; Mayumi Ishizuka, Auteur ; Yuya Suzuki, Auteur ; Yasuaki Niizuma, Auteur ; C. E. Meathrel, Auteur ; R. A. Phillips, AuteurWe measured mercury concentrations ([Hg]) and nitrogen stable isotope ratios (δ15N) in the primary feathers of Short-tailed Shearwaters (Puffinus tenuirostris) that were tracked year-round. The [Hg] were highest in 14 birds that used the Okhotsk[...]
Article
R. A. Phillips, Auteur ; D. R. Cope, Auteur ; E. C. Rees, Auteur ; M. J. O'Connell, AuteurCapsule Barnacle Geese restrict their movements to relatively few key sites and exhibit considerable variation in ranging behaviour. Aims To examine individual and seasonal variation in site fidelity, habitat use, range size and foraging strateg[...]
Article
R. A. Phillips, Auteur ; S. Bearhop, Auteur ; K. C. Hamer, Auteur ; D. R. Thompson, AuteurThe St Kilda archipelago is a World Heritage Site holding internationally important populations of a number of seabird species. Great Skuas first bred at St Kilda in 1963, and numbers there rose steadily until 1990. Since then, a rapid expansion[...]
Article
R. A. Phillips, Auteur ; R. Gales, Auteur ; G. B. Baker, Auteur ; M. C. Double, Auteur ; M. Favero, Auteur ; F. Quintana, Auteur ; M. L. Tasker, Auteur ; H. Weimerskirch, Auteur ; M. Uhart, Auteur ; A. Wolfaardt, AuteurSeabirds are amongst the most globally-threatened, of all groups of birds, and conservation issues specific to albatrosses (Diomedeidae) and large petrels (Procellaria spp. and giant petrels Macronectes spp.) led to drafting of the multi-lateral[...]
Article
R. A. Phillips, Auteur ; K. C. Hamer, AuteurAlthough periodic weighing of chicks is used widely as a means to assess meal mass and feeding frequency in seabirds, there have been few critical assessments of its effectiveness. Using established methods, we were able to predict whether feedi[...]
Article
A. Hedd, Auteur ; W. A. Montevecchi, Auteur ; L. McFarlane Tranquilla, Auteur ; C. M. Burke, Auteur ; D. A. Fifield, Auteur ; G. J. Robertson, Auteur ; R. A. Phillips, Auteur ; C. Gjerdrum, Auteur ; P. M. Regular, AuteurSeabirds and other marine animals are at risk from anthropogenic activities that target them directly and those that can harm them incidentally. We integrate year-round tracking and vessel studies to assess risks for a globally important seabird[...]
Article
R. A. Phillips, Auteur ; R. W. Furness, AuteurEstablished pairs of Arctic Skuas Stercorarius parasiticus showed high repeatability in clutch volume (both within and between years), moderate repeatability in laying dates, but low repeatability in chick growth. Males that changed partner show[...]
Article
W. A. Montevecchi, Auteur ; A. Hedd, Auteur ; L. McFarlane Tranquilla, Auteur ; D. A. Fifield, Auteur ; C. M. Burke, Auteur ; P. M. Regular, Auteur ; G. K. Davoren, Auteur ; S. Garthe, Auteur ; G. J. Robertson, Auteur ; R. A. Phillips, AuteurProtection of the marine environment lags far behind that of terrestrial domains. To help ameliorate this circumstance, top predators are being tracked to identify important ocean habitats, biodiversity hotspots and high risk areas and to assess[...]
Article
R. A. Phillips, Auteur ; J. R. D. Silk, Auteur ; J. P. Croxall, Auteur ; V. Afanasyev, AuteurThe white-chinned petrel Procellaria aequinoctialis is a medium-sized procellariiform with a circumpolar subAntarctic breeding distribution. Feeding during both day and night, and often competing aggressively for bait, offal and discards, it has[...]
