Matti Rousi 
Susceptibility of pine to mammalian herbivores in northern Finland.
Rousi M. (1983). Susceptibility of pine to mammalian herbivores in northern Finland. Silva Fennica vol. 17 no. 4 article id 5195. https://doi.org/10.14214/sf.a15178
Abstract
An inventory of Scots pine (Pinus sylvestris L.) graft collection in Kolari (67°15’ N, 23°45’ S) showed that severe damage by arctic hare (Lepus timidus L.), root and bank vole (Microtus oeconomus Pallas and M. agrestis L.) and moose (Alces alces L.) was done to grafts in size and in rather poor condition. Furthermore, the damage by arctic hare was dependent on the dry matter content of the needles. Another inventory in a fertilization experiment in a pine pole-stage forest showed that nitrogen fertilization increased the damage by arctic hare. On the basis of the present results, an assumption was made that the formation of repellent substances against herbivorous mammals is connected with wintering process of northern pines.
The PDF includes a summary in Finnish.
Keywords
Pinus sylvestris;
fertilization;
Scots pine;
Alces alces;
moose;
forest damage;
seedling damages;
arctic hare;
Lepus timidus;
root vole;
Microtus oeconomus;
bank vole;
Microtus agrestis
Published in 1983
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