Protecting The Urban Forest: Aliens, Biological Control, And Pests: What Can You Do?

By Ken Fry, PhD

The green industry is being encouraged to be vigilant in the effort to detect invasive species. Unusual or novel arthropods or tree symptoms should be reported to a local government pest monitoring agent or directly to the CFIA. With many eyes open to the threat of invasive species, early detection can mitigate the risk posed by these species.

In managing the landscape, an ecological approach should be taken so as to provide the necessary resources to support a functioning ecosystem. With adequate nutrition, water, suitable soil conditions, and a vibrant and biodiverse flora and fauna, the urban forest can defend against native and alien pests. Indeed, in designing or renovating a landscape, the manager should strive for spatial, bio and temporal diversity.

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