Agricultural and Forest Entomology (2000) 2, 97-105

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R.M. Muzika and A.M. Liebhold (2000)
A critique of silvicultural approaches to managing defoliating insects in North America
Agricultural and Forest Entomology 2 (2), 97-105
Abstract: 1. A variety of silvicultural techniques have been suggested for managing forest defoliating insects. The objectives focus on minimizing defoliation or minimizing damage from defoliation.
2. The theoretical foundations of many approaches have been built upon observation and correlation, and very little reliable empirical evidence exists to support the objectives of silvicultural manipulations. Existing experimental data have yielded inconsistent results.
3. We review the conceptual framework and underlying assumptions of the major silvicultural approaches recommended or in use in North America.
4. Well-designed, long-term studies are needed to clarify the effect of silviculture on defoliators and their effect on forests.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Rose-Marie Muzika, Andrew M. Liebhold

Research topic(s) for pests/diseases/weeds:
control - general


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Lymantria dispar Oak (Quercus)
Lymantria dispar Poplar/aspen (Populus)
Choristoneura fumiferana
Choristoneura occidentalis Fir (Abies)
Choristoneura occidentalis Douglas fir (Pseudotsuga menziesii)