The Benefits of Trees


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Presentation by Jim McGlone, Urban Forest Conservationist with the VA Department of Forestry -- at PEC's Sustainable Landscaping Workshop in Warrenton, VA on September 7, 2013.

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  • This is my front yard. It is a much more sustainable environment than a lawn. How do I know? The critters told me. Landscaping was planned by the availability method – there is a space AVAILABLE, what’s AVAILABLE to fill it?
  • Fireflies are really beetles and most are predatory as adults and larvae. Their presence and the presence of other pest predators are part of an integrated pest management program. Once you establish a balance between predators and prey in the landscape, you should not need to deal with pest problems again.
  • The Benefits of Trees

    1. 1. If we replant half of the area now in lawn…..
    2. 2. 20 Million Acres Adirondacks + Yellowstone + Yosemite + Grand Tetons + Canyonlands + Everglades+ North Cascades + Badlands + Olympic + Sequoia + Grand Canyon + Denali + Great Smoky Mountains+ Shenandoah
    3. 3. Sustainable Landscaping The Benefit of Trees Jim McGlone Urban Forest Conservationist
    4. 4. Sustainability Benefits  Improve Air Quality  Manage stormwater  Store Carbon  Provide habitat for animals  Recycle oxygen
    5. 5. Sustainability Benefits Cont.  Provide habitat for people  Lower energy costs through shading and warming  Higher property values, lower vacancy rates, better employee retention, lower crime rates  Stress reduction, better health, reduced ADHD, improved immune system functioning  Less direct input – fertilizer, fuel, water, time  Support IPM
    6. 6. Photo: Bigstockphoto / Ornitolog82
    7. 7. Chickadees  Need 6000 to 9000 caterpillars for 1 clutch  @25 caterpillars per tree they need 250 trees  @100 square feet per tree they need 1/3 of an acre  Per Dr. Douglas Tallemy author of Bringing Nature Home
    8. 8. 7 Plant species in this picture
    9. 9. Large Amount of Plant Diversity
    10. 10. Predators
    11. 11. This is an ecological barrier where only pests live. It is also lots of work to maintain because nature has been expelled.
    12. 12. Insect and animal diversity depends on VERTICAL , horizontal and temporal diversity.
    13. 13. HAZARD TREES
    14. 14. ROT
    15. 15. Included Bark/ Bad Branch Union
    16. 16. Poor Structure
    17. 17. Bad Care
    18. 18. Trees fail under normal weather conditions because of rot, bad branch unions, poor structure, and bad care. A certified arborists can find and correct these conditions before the storm. Trees, like cats, dogs and people, should be seen by health care professional for preventive check ups.
    19. 19. Sustainable Landscaping is Endorsed by Fireflies Everywhere