Natural Disturbances
Insect Area
Charts
References and Related Online Materials
| Area of Moderate to Severe Defoliation caused by Insects: | National Forestry Database. (2010). Area within which Moderate to Severe Defoliation Occurs Including Area of Beetle-killed Trees by Insects and Province/Territory, 1975-2008 (Table 4.1). Forest Insects - National Tables. Last updated November 11, 2009. http://nfdp.ccfm.org/insects/national_e.php (accessed May 14, 2010). |
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