Passerine migration strategies and body mass variation along geographic sectors across East Africa, the Middle East and the Arabian Peninsula

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Yohannes__0-380045.pdf
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2009
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Biebach, Herbert
Nikolaus, Gerhard
Pearson, David J.
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Journal of Ornithology. 2009, 150(2), pp. 369-381. ISSN 0021-8375. eISSN 1439-0361. Available under: doi: 10.1007/s10336-008-0357-z
Zusammenfassung

Using the body mass estimates of 12 long-distance migrating Palearctic passerine species monitored at successive sites across the Eastern Africa flyway, we tested whether birds modulate their body mass according to specific seasonal demands across different geographic sectors. We compared body mass estimates across latitudinal distances and geographic sectors in Europe, the desert, Northeast Africa and East Africa. Our results show that, depending on the species and season considered, the average body mass increase or decrease is variable at and among different geographic sectors. By comparing the variation in body mass between different ecological sectors, we were able to show when and where migrants accumulate their migratory fuel reserves during migration.

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Fachgebiet (DDC)
570 Biowissenschaften, Biologie
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Body mass, Eastern Africa, Migration strategy, Palearctic passerines
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ISO 690YOHANNES, Elizabeth, Herbert BIEBACH, Gerhard NIKOLAUS, David J. PEARSON, 2009. Passerine migration strategies and body mass variation along geographic sectors across East Africa, the Middle East and the Arabian Peninsula. In: Journal of Ornithology. 2009, 150(2), pp. 369-381. ISSN 0021-8375. eISSN 1439-0361. Available under: doi: 10.1007/s10336-008-0357-z
BibTex
@article{Yohannes2009-04Passe-37218,
  year={2009},
  doi={10.1007/s10336-008-0357-z},
  title={Passerine migration strategies and body mass variation along geographic sectors across East Africa, the Middle East and the Arabian Peninsula},
  number={2},
  volume={150},
  issn={0021-8375},
  journal={Journal of Ornithology},
  pages={369--381},
  author={Yohannes, Elizabeth and Biebach, Herbert and Nikolaus, Gerhard and Pearson, David J.}
}
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