Showing 1 - 4 of 4 for search: 'Piene, Harald', query time: 0.06s
1
Cover Image
by Piene, Harald
: ENTOMOLOGICAL SOCIETY OF CANADA, 2001.
2
Cover Image
by Piene, Harald.
Fredericton, N.B. : Maritime Forest Research Centre, Canadian Forestry Service, Environment Canada, 1981.

3
Cover Image
by Lloyd-Smith, Jane.
[Ottawa, Ont.] : Canadian Forestry Service, Environment Canada, 1981.

Other Authors: '; “...Piene, Harald, 1943-...”
4
Cover Image
by Parsons, Ken
: Elsevier, c2003.
Other Authors: '; “...Piene, Harald...”

Related Subjects

Balsam fir Defoliation Balsam Fir Sawfly Balsam fir sawfly Forest pests Forests and forestry Growth Growth factors Hares Pest management Wildlife management