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Nominate the 2015 Great American Tree

Everyone has a favorite tree. It’s a landmark to your community, has a compelling story, or makes a huge environmental contribution. It personifies perseverance or is a testament to history. It’s grand and noble or small and dignified. Whatever statement your favorite tree makes, nominate it - in the first annual Great American Tree Competition. More Info.

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Managing Change in Our Community Forests: a Toolkit for Action

Managing Change in Our Community Forests: a Toolkit for Action Oregon Community Trees Thursday, June 4, 2015 from 8:00 AM to 4:00 PM (PDT) Portland, OR Invasive pests, changing climate regimes and increased urban density will cause changes in our urban forests in the coming years. What tools and strategies can managers use today to help our community forests adapt? This one-day conference will provide participants with a toolkit full of possibilities, based on the most recent research in our…

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How many leaves on a tree?

Many think about leaves in the fall, but what about spring when trees come out of dormancy and have to bud out all those leaves. As for the number, I have seen estimates as high as 7 million and as low as 20K for a mature tree. My guess it is probably around 200K on a large mature tree.  Do you know a good source to measure the number of leaves.  My favorite was from Georgia Gardner Walter Reeves for the simplicity. Below are some sources. Do you have a better source? The photograph is from…

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Dr. Coder Thanking Trees
i-Tree Design: An Applied Example
a Forest Year
QUICKLOOK: The Emerald Ash Borer
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John's Bowls
Urban Forests = Cleaner, Cooler Air

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Andy Felix is now a member of Massachusetts Grove
16 hours ago
Andy Felix is now a member of American Grove
16 hours ago
Mollie Freilicher published an article in Massachusetts Grove
 May 2015Up Ahead:Best Management Practices: Construction & Tree PreservationSpecies Spotlight: Cockspur hawthornGrants, Events, Webcasts, and more!Download a high-resolution PDF of the newsletter here. (1.4 MB).The Best Management Practices: Constr…
yesterday
Keith Wood published an article in Colorado Grove
May-June 2015 "New Growth News"
Thursday
Administrator posted a blog post
Help us find the Great American Tree for 2015! 
Everyone has a favorite tree. It’s a landmark to your community, has a compelling story, or makes a huge environmental contribution. It personifies perseverance or is a testament to history. It’s grand…
Thursday
Administrator published an article in Nevada Grove
University and Nevada Division of Forestry team up to provide information to preserve Nevada’s trees
4/21/2015 - By: Tiffany Kozsan
University of Nevada Cooperative Extension offers “Keeping Trees Alive During a Drought” May 1. The workshop will cov…
Thursday
Patti Erwin posted a discussion
What experience have you had using the ooze tubes verses the tree gator juniors?  Trying to decide which products works best.  Have used the tree gator with success but have not tried out the ooze tubes.
Thursday
Ofelia Uz posted photos
Wednesday
Mark Hirsch is now a member of Wisconsin Grove
Wednesday
Mark Hirsch and Barbara Johnson joined American Grove
Wednesday
I love plating trees, specially from their seeds. I have a new avocado tree from its seed and its almost 4 feet tall now...beautiful!
We recently replace trees that had to be removed due to street repair and water line placements. 75 7th & 8th grade students planted th
Barbara Johnson is now a member of Iowa Grove
Wednesday
Administrator published an article in Alaska Grove
Alaska smoke jumpers got their first call of the fire season on Friday at 12:46 p.m.for a fire reported between Clear and Healy. We'll keep you posted.









Alaska Smokejumpers
Tuesday
Julie Coop is now a member of American Grove
Tuesday
Administrator published articles in Alabama Grove
Tuesday
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