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Article

Comparison of trace element and stable isotope approaches to the study of migratory connectivity: an example using two hirundine species breeding in Europe and wintering in Africa

T. Szep, Auteur ; K. A. Hobson, Auteur ; J. Vallner, Auteur ; S. E. Piper, Auteur ; B. Kovacs, Auteur ; D. Z. Szabo, Auteur ; A. P. Moller, Auteur

Dans Journal of Ornithology (150(3) JUL 2009)

Analyses of stable isotopes and trace elements in feathers may provide important information about location and habitat use during molt, thereby enabling the investigation of migratory connectivity and its ecological consequences in bird species[...]

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Article

Elucidating population structure in the Long-tailed Wagtail Motacilla clara: The use of the space-time diagram

S. E. Piper, Auteur

Dans Ardea (89(1) 2001)

The Long-tailed Wagtail Motacilla clara is the African analogue of the Palearctic Grey Wagtail Motacilla cinerea. It may be expected that their demographies and life-history strategies should be similar, but this is not so. The African species h[...]

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