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


David Riddell
Biologist

David Riddell is a biologist and project manager for a variety of natural resource projects, including invasive species control, endangered species consulting, stream and wetlands mitigation monitoring, and wetlands delineations and permitting. Mr. Riddell is a Certified Commercial Pesticide Applicator in the states of Ohio (License No. 98953), Indiana (License No. 216931), and Pennsylvania (License No. 904110), and oversees all of Davey Resource Group’s invasive plant control projects. He has managed multiple large-scale projects for clients, including park districts and federal government agencies, controlling invasive plant species such as Typha angustifolia (narrow-leaved cattail), Phalaris arundinacea (reed canary grass), Phragmites australis (common reed), Rhamnus frangula (glossy buckthorn), Lonicera maackii (amur honeysuckle), L. japonica (Japanese honeysuckle), and Elaeagnus umbellate (autumn olive). In addition, Mr. Riddell is a Certified Arborist (OH-5230A) through the International Society of Arboriculture. He has served as a data technician on two U. S. Forest Service projects involving the Urban Forest Effects Model (UFORE) and as an inventory arborist on municipal, park, and college campus tree inventories using pen-tablet GIS data collection units. In 2005, Mr. Riddell was a technical support specialist for the Asian Longhorned Beetle Eradication Program located in New York City. His duties were to supervise field operations, coordinate data with the U.S. Department of Agriculture, perform quality control assessments, and collect and organize field data. Mr. Riddell has completed training through Ohio Environmental Protection Agency for Qualitative Habitat Evaluation Index (QHEI) and Ohio Rapid Assessment Method (ORAM) v.5. Mr. Riddell has also completed a 38-hour Army Corps of Engineers Wetland Delineation and Management Training Program and a Wetlands Plant Identification course. Mr. Riddell joined Davey Resource Group in 2003 and graduated from Kent State University with a Bachelor of Science degree in conservation.

Contact: DRiddell@davey.com
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