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Breeding persistence of Slavonian Grebe (Podiceps auritus) at long-term monitoring sites: predictors of a steep decline at the northern European range limit

J. Stien, Auteur ; K. B. Strann, Auteur ; J. U. Jepsen, Auteur ; V. Frivoll, Auteur ; R. A. Ims, Auteur

Dans Journal of Ornithology (157(1) January 2016)

The Slavonian Grebe (Podiceps auritus) has its European northern range limit in northern Norway, and is a species of national conservation concern due to its small population size and unknown population trend. Long-term monitoring at the range l[...]

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Article

Spatial organization of reproductive Arctic foxes Alopex lagopus: responses to changes in spatial and temporal availability of prey

N. E. Eide, Auteur ; J. U. Jepsen, Auteur ; P. Prestrud, Auteur

Dans Journal of Animal Ecology (73(6) NOV 2004)

1. Home range size, spatial organization and territoriality of reproductive Arctic foxes were studied during the summer. The influence of spatial distribution and availability of the main prey was investigated in order to evaluate whether the sp[...]

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