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Article
Svein Dale, Auteur ; Oyvind Steifetten, AuteurChanges in population size of local populations of birds have usually been interpreted in relation to adult return rate and recruitment of young individuals after natal dispersal. Little is known about the importance of redistribution of adult i[...]
Article
Oyvind Steifetten, Auteur ; Suein Dale, AuteurPopulation viability analyses (PVAs) are based on basic demographic parameters such as breeding success, juvenile and adult survival. However, no PVAs have included the operational sex ratio (OSR). The Norwegian population of ortolan buntings (E[...]
