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Learn essential steps to prepare for Emerald Ash Borer infestation. Define roles, plan early, conduct inventories, and address wood disposal. Obtain funding and act promptly to save trees. Access online resources for community support.
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EAB: Now That It’s Here, What Do We Do? 2010 Shade Tree Short Course March 16-17, 2010 Ken Holman, DNR Forestry Mark Abrahamson, MN Dept. of Agriculture
Lessons Learned • Define roles • Start planning early • Inventories • Visual surveys should start at the tops of trees • Wood disposal must be addressed • Funding will be needed, period • Waiting and doing nothing will be more expensive
Preparing for EAB:Community ResourcesOnline at DNR’s Community Forestry WebpageSEE HANDOUT
MDA EAB “Front Door.” Enter here for all web info. • Promote online “EAB Triage” diagnostic tool. 1
Brief the City Council: • Value of healthy trees • Cost of inaction
Before St. Paul, MN After Fall 2009
3 Shade Tree Program’s Legacy: 800 Tree Inspectors in 500 Communities
3 Sorted by City
4 • 2006 DNR Community Elm and Ash Rapid Assessment Survey – posted on DNR Forest Health Page • 2010 Project will have a new, refined survey protocol. All common tree genera will be surveyed in 700 Minnesota communities.
A Statistical Method for the Accurate and Rapid Sampling of Street Tree Populations (Journal of Arboriculture, 1992) 4 Jaenson et al. 1992. A statistical method of the accurate and rapid sampling of urban street tree populations. J of Arbor. 18(4): 171- 183. • Stratified random sampling: grid streets, curved streets, and downtown • Maximum 2,300 trees to sample • Estimated 120 person-hours in the field
Community Partners • 6 Greater MN Cities: • Thief River Falls • Hibbing • Morris • Hutchinson • Hendricks • Rochester
Twin Cities Ash Wood Markets -DNR Utilization and Marketing Program 6
Management Guidelines See DNR’s Preparing for EAB List of Links 7
7 In 3 years: 455 First Detectors in 64 of 87 counties. SEE HANDOUT
7 • 6 Thursdays, beginning March 11 • 2 sessions / day • Hands on, plus list of addresses to view “EAB trees”
Street Tree Plantings – Design for Diversity (CD and online) 8
8 Tree lists by Eco-regions match to soils, precipitation, etc.
9 Share successes via MnSTAC Advocate... COMING SOON in 4-color via e-mail