Détail de l'auteur
Documents disponibles écrits par cet auteur (10)
Ajouter le résultat dans votre panier Affiner la recherche
Ouvrage
Springer Berlin (DEU) 610p
Article
U. Wittmann ; P. Heidrich ; M. Wink ; E. Gwinner 1995J Zool Syst Evol Res 33 p116-122
Article
H. Klein ; P. Berthold ; E. Gwinner 1973Vogelwarte 27 p73-134
Article
B. Tieleman, Auteur ; E. J. Kleynhans, Auteur ; M. Versteegh, Auteur ; B. Helm, Auteur ; E. Gwinner, Auteur
Article
B. Helm, Auteur ; E. Gwinner, AuteurThe day lengths to which migratory birds are exposed depend on the timing and course of their journey. While winter day length is known to influence vernal events, it is not clear if birds also use day length during the spring migration as a tem[...]
Article
J. Dittami, Auteur ; E. Gwinner, Auteur ; B. Follett, Auteur ; H. Prossinger, AuteurAn analysis of the circadian and circannual patterns of luteinizing hormone (LH) secretion in male European starlings (Sturnus vulgaris) held in outdoor aviaries is presented. On the basis of six daily time points, eight calendar dates, and seve[...]
Article
M. Wikelski, Auteur ; E. M. Tarlow, Auteur ; C. M. Eising, Auteur ; T. G. G. Groothuis, Auteur ; E. Gwinner, AuteurPlasma melatonin concentrations in most animals investigated so far increase at night regardless of whether individuals are day or night active. Nevertheless, daily melatonin amplitudes are often seasonally adjusted to ecological conditions, wit[...]
Article
M. Raess, Auteur ; E. Gwinner, AuteurLong-distance migration is often associated with relatively short breeding seasons and a start of reproductive activities shortly after arrival. The full activation of the reproductive system from the regressed state takes, however, several week[...]
Article
