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Selective browsing of moose (alces alces) on birch (betula pendula) clones

 

作者: Jingbo Jia,   Pekka Niemelä,   Matti Rousi,   Sauli Härkönen,  

 

期刊: Scandinavian Journal of Forest Research  （Taylor Available online 1997）
卷期: Volume 12, issue 1  

页码: 33-40

 

ISSN:0282-7581

 

年代: 1997

 

DOI:10.1080/02827589709355381

 

出版商: Taylor & Francis Group

 

关键词: Alces alces;Betula pendula;birch clones;feeding selection;moose

 

数据来源: Taylor

 

摘要:

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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