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Canadian Forest Service - Ash Protection Model (CFS-APM)

This site provides access to a model that was developed to assist users in deciding the fate of ash trees (Fraxinus spp.) threatened by the arrival of emerald ash borer (Agrilus planipennis Fairmaire) in North America.

Basically, the model tracks the ongoing costs of treating a tree with an insecticide versus the one-time costs associated with removing and replacing it. Optionally, users can include other, extended benefits and costs in the model that have been attributed to urban trees, including: property value premiums, energy savings, runoff and pollution benefits, and ongoing maintenance costs. For each year over a 30-year time horizon, the net treatment gain/loss is calculated and plotted, indicating the period of time over which the homeowner could be financially ahead/behind by treating a tree with an insecticide. We provide default values that describe average costs that could be expected in Canada, but these can be overridden by users if better information is available for their own location and situation.  [EAB]

Canadian Forest Service - Ash Protection Model (CFS-APM)

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