Selective browsing of moose (Alces alces) on birch (Betula pendula) clones
1997
Jia, J. | Niemelae, P. (Skogsforskningsinstitutet, Vanda (Finland)) | Rousi, M. | Haerkoenen, S.
The moose choice of birch clones was studied by offering nine clones of European white birch plantlets to free-ranging moose in a field cafeteria experiment. Twig quality, especially the defensive chemical content, affected moose feeding preference. Moose took a bite of larger diameter but tended to consume less from clones with a high phenol content. Moose preferred clones with small current annual shoots and few resin droplets.
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