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Significance of old aspen (Populus tremula) trees for the occurrence of lichen photobionts

Henrik Hedenas, Auteur ; Patrik Blomberg, Auteur ; Lars Ericson, Auteur

Dans Biological Conservation (135(3) MAR 2007)

In the boreal forest landscape, aspen has been effectively selected against in favour of conifers. The decrease in aspen is of particular concern, since it has more host-specific species associated with it than any other boreal tree species. Rec[...]

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