Ash Arbor The Internet's Arboriculture Resource for Professionals
This section of the AshArbor.com website contains things that we think are of interest to professional arborists. Featured pages include
What's New--this page features PG&E's orchard removal program
Alex Shigo revolutionized tree pruning and made many important discoveries which were incorporated into CODIT (Compartmentalization of Decay in Trees.) An article by Dr. Shigo at TreeHelp.com called "Reading the Tree's Log" is very helpful in explaining how to read a tree's log while doing an autopsy.
Featured Supplier Websites--here we list a few of our favorite websites for professional arboriculture supplies
American National Standards Institute (ANSI) A300 Pruning Standards--the benchmark for tree pruning and has been drafted to address pruning specifications across all geographic areas. Your knowledge of the growth habits of a particular tree may influce how you interpret these standards. We can't display the entire set of standards here, you have to purchase them, but here's a link to that.
From the ISA website we bring you the archive of Arboriculture & Urban Forestry. The ISA website is also helpful if you want to learn how to become a professional arborists. ISA programs include ISA Certification and Continuing Education Units
How to pick a tree--from the California Polytechnic State University comes a website to help you pick the right tree for any application. You can search for a tree selection by name or by attribute. Click here for a link to How to Pick a Tree.
Utility Clearance--from PG&E, who is setting the standard nationwide for vegetation management around utility lines, poles and right of way projects, we bring extensive information that PG&E has assembled including laws and regulations and guidelines.