Death and Deterioration of Balsam Fir Weakened by Spruce Budworm Defoliation in Ontario Part II . An Assessment of the Role of Associated Insect Species in the Death of Severely Weakened Trees . !

@inproceedings{Belyea2006DeathAD,
  title={Death and Deterioration of Balsam Fir Weakened by Spruce Budworm Defoliation in Ontario Part II . An Assessment of the Role of Associated Insect Species in the Death of Severely Weakened Trees . !},
  author={Monica Belyea},
  year={2006}
}
CERTAIN FEATURES of the seasonal history and habits of the insect species which breed in severely weakened and dead balsam fir trees in the Lake Nipigon region of Ontario have been dealt with in a previous contribution (3). For many years it has been recognized that some of these insects attack weakened trees before death is obvious, and therefore possibly contribute to tree mortality. Various interpretations of the importance of these insects in the death of the tree have been reached by… CONTINUE READING

From This Paper

Figures, tables, and topics from this paper.

References

Publications referenced by this paper.
Showing 1-2 of 2 references

Investigations of sampling techniques for population studies of the spruce budworm o • balsam fir in Ontario

S. A GRAHAM
1951

Seasonal growth of some trees in Ontario

A. H. RosE
• Forest . Chron . • 1951

Similar Papers

Loading similar papers…