The Davey Tree Expert Company - Davey Resource Group
Davey Resource Group


Mark Johnson
Biologist

Mark Johnson is a biologist and urban forester with Davey Resource Group. His urban forestry duties include conducting municipal and park tree inventories. Mr. Johnson is a Certified Arborist (OH-6101A) through the International Society of Arboriculture. His ecological duties include assistance with a variety of natural resource projects, including invasive species control, bat mist-net surveys, wetlands studies, exotic plant monitoring, and exotic insect surveys. Mr. Johnson is a Certified Commercial Pesticide Applicator in the states of Ohio (License No. 108247), Indiana (License No. F225357), and Pennsylvania (License No. 904274). He was involved in the eradication of Typha angustifolia (narrow-leaved cattail) and Rhamnus frangula (glossy buckthorn) within 50 acres of restored wetlands along Pond Brook in Twinsburg, Ohio on land managed by Metro Parks, Serving Summit County. Mr. Johnson was also involved in the eradication of Lonicera maackii (amur honeysuckle), L. japonica (Japanese honeysuckle), and Elaeagnus umbellate (autumn olive) within 434 acres of Germantown MetroPark in Dayton, Ohio on land managed by Five Rivers MetroParks. Mr. Johnson graduated from Kent State University in May 2008 with a Bachelor of Science degree in conservation.

Contact: Mark.Johnson@davey.com
The Davey Tree Expert Company © 2009, all rights reserved. Tree service experts since 1880 1-800-828-8312