Certified ISA Arborist Surveys

Certified arborist surveys for tree assessments and inventories.

Our team of ISA Certified Arborists® specializes in conducting tree inventories, tagging, and surveys to evaluate the potential impacts of proposed development or infrastructure projects on trees.

For trees that may present a risk to visitors, residents, or property, our TRAQ (Tree Risk Assessment Qualification) certified staff are available to conduct thorough hazard tree assessments, prioritizing safety while exploring preservation options.

Talk to Us About Your Trees

Prioritizing preservation and compliance, while meeting your project goals.

We ensure compliance with local tree and woodlot management policies, providing expert recommendations for tree protection and mitigation strategies.

We pride ourselves in balancing developable space with retention of high quality, healthy trees that lend character and add value to your finished project. We work closely with our allied professionals - including civil engineers and planners – to support design development layouts that integrate trees as valuable assets, enhancing the overall site quality

We provide the following reports and mapping services depending on your project needs:

  • Arborist reports
  • Tree Preservation Plans
  • Tree transplanting details
  • Tree compensation plans
  • Vegetation management plans
  • Canopy cover assessment
  • Urban forest management plans

Dougan Ecology has conducted detailed tree surveys for a wide range of clients for over four decades, including:

  • Municipalities
  • Private Companies
  • Landowners
  • Academic Institutions
  • Planners
  • Engineering Teams
  • Landscape Architecture firms

Contact us today to discuss how our certified arborists can support your project with expert tree assessments and preservation planning.


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Find out how a great team with ecological expertise, GIS tools, creative design, and policy experience can move your project forward.

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