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Documents disponibles écrits par cet auteur (8)
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Article
Morgan Lee, Auteur ; Ivan Viegas, Auteur ; Ana C. Norte, Auteur ; Jaime A. Ramos, Auteur ; Pedro M. Araújo, AuteurA detailed analysis of fatty acid (FA) profiles and their properties relating to fuelling strategy can improve understanding of avian migration. The study aimed to understand whether and how FA composition differs among several passerine species[...]
Article
Manuela S. Rodrigues, Auteur ; Pedro M. Araújo, Auteur ; João P. Silva, Auteur ; José M. Abad-Gómez, Auteur ; Pedro C. Rodrigues, Auteur ; Jaime A. Ramos, Auteur ; José A. Alves, AuteurDespite the widely recognized value of wetlands in providing vital ecosystem services, these are presently being degraded and ultimately destroyed, leading to a decrease in the biodiversity associated with these areas. Some species inextricably [...]
Article
Joana S. Costa, Auteur ; Steffen Hahn, Auteur ; Afonso D. Rocha, Auteur ; Pedro M. Araújo, Auteur ; Juanita Olano-Marín, Auteur ; Tamara Emmenegger, Auteur ; José A. Alves, AuteurCapsule: A combination of several biometric measures enables the reliable sexing of the European Bee-eater Merops apiaster, a species with subtle sex differences in plumage and morphometry.Aims: To explore variation in biometrics and their suita[...]
Article
Pedro M. Araújo, Auteur ; Pedro B. Lopes, Auteur ; Luís P. da Silva, Auteur ; Jaime A. Ramos, AuteurThis study describes the importance of reedbed and riparian habitats for the annual cycle of Cetti’s warbler Cettia cetti. We examined the seasonal variation in population structure and body condition using a long-term data set (11 years) from b[...]
Article
David Monticelli, Auteur ; Pedro M. Araújo, Auteur ; James E. Hines, Auteur ; Paulo Q. Tenreiro, Auteur ; Luis P. Silva, Auteur ; Jaime A. Ramos, AuteurAdult survival, an important fitness component, is usually 1) lower in lighter individuals due to their reduced ability to survive winter conditions compared to heavier ones, especially in resident species at northern temperate latitudes and 2) [...]
Article
Jose M. Costa, Auteur ; Jaime A. Ramos, Auteur ; Luís P. da Silva, Auteur ; Sergio Timoteo, Auteur ; Pedro M. Araújo, Auteur ; Marcial S. Felgueiras, Auteur ; Antonio Rosa, Auteur ; Claudia Matos, Auteur ; Paulo Encarnacao, Auteur ; Paulo Q. Tenreiro, Auteur ; Ruben H. Heleno, AuteurFruits and seeds are critical food sources for many European passerines during the autumn migration, which in turn contribute to disperse seeds either internally, i.e. after ingestion (endozoochory), or externally, when seeds adhere to the body [...]
Article
Ana C. Norte, Auteur ; Pedro M. Araújo, Auteur ; Hugo L. Sampaio, Auteur ; Jose P. Sousa, Auteur ; Jaime A. Ramos, AuteurBlood parasites may act as modulators of their hosts' ecology, life histories and fitness. We studied the prevalence of Plasmodium sp., Haemoproteus sp. and Leucocytozoon sp. and their effects on morphological, biochemical and haematological var[...]
Article
Afonso D. Rocha, Auteur ; Pedro M. Araújo, Auteur ; Filipe R. Martinho, Auteur ; Jaime A. Ramos, Auteur ; José A. Masero, AuteurAnalysis of fatty acids from adipose tissue can provide important information about the physiological and nutritional condition of birds. However, non-lethal biopsy procedures and their potential negative effects on small and medium-sized birds [...]
