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Article
Per Gustav Thingstad, Auteur ; Olav Hogstad, Auteur ; James D. M. Speed, AuteurMany European-breeding bird species wintering south of the Sahel region in Africa have been reported to be in decline since the 1970s. However, most studies focus on conditions local to the breeding sites as determinants of population change, de[...]
Article
Per Gustav Thingstad, Auteur ; N. Erik I. Nyhoim, Auteur ; Bent Fieldheim, AuteurLocal populations in marginal habitats close to the distribution border are expected to vary more in size than central populations. To obtain information on the viability of metapopulations, monitoring in peripheral habitats might therefore be a[...]
