In this GardenSmart article, Jim Doyle of Hartney Greymont, a Davey company, tells readers about some of the invasive species impacting trees and why it's important to effectively manage them.
An invasive species is one that is non-native and likely to do harm, often displacing and destroying plants or animals. They are the largest threat to native wildlife, ecosystems and, according to Jim Doyle, a certified arborist at Hartney Greymont, a Davey company, "A considerable threat to urban forests."
Due to the lack of natural competitors and predators, non-native insect species often increase in numbers and spread swiftly.
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The Davey Tree Expert Company, established in 1880 and headquartered in Kent, Ohio, provides research-driven tree services, grounds maintenance and environmental consulting for residential, utility, commercial and environmental partners in the U.S. and Canada. With 11,000 employees, Davey Tree is the eighth largest employee-owned company in the U.S.