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These articles and PowerPoint files are written for a general audience, and are intended to assist with outreach and education. Please feel free to use them for such purposes.

All I ask is that you email me at paul.j.hetzler@gmail.com with a link to the venue or website upon publication. Thanks.

(Links to about 150 more published articles can be found on the Natural History Page.)

Also, if anyone is willing to translate more of these into French, this anglophone would be so grateful! Give me a shout.

The EAB Parasitoid presentation at the bottom is courtesy of Dr. Michael Jones, SUNY, College of Environmental Science and Forestry. Please get his permission before sharing that file. 

Mitigating Salt Injury

to Trees

Oak Wilt Prevention

Tree Cabling

Fall Transplanting

Arbor Day

"Mulch Volcanoes" 

Hurt Your Trees

Flooded Trees

Construction Damage

Topping Is Bad

for Everyone

Les "volcans de paillis" 

sont mauvais pour les arbres

Les arbres inondés

Dommages de construction

Tree Pruning:

Just Count to 3 

Tree Selection

Species Spotlight:

White Pine

Proper Planting

Tar Spot & Other

Leaf Blemishes

Species Spotlight:

Sugar Maple

Twigs Tell

Tree Health

Exotic Worms

Threaten Forests

Early Leaf Colour

Means Trouble

Species Spotlight:

Basswood

Spindle Galls on Leaves

Spotted Lanternfly

Timber Theft

In Praise of

Natural Christmas Trees

Beech Leaf Miner

Grey Squirrels and

Forest Ecology

Species Spotlight:

Sumac

Oak Wilt,

Another Take

Species Spotlight:

Hawthorn

Test Your Tree IQ

Species Spotlight:

Viburnums

Health Benefits

of Trees

White Pine Decline

Re-Thinking

Black Locust

Norway Maple:

Another Look

Species Spotlight:

Manitoba Maples

Ginkgo

PowerPoint Files:

EAB Parasitoids

Dr. Michael Jones

TICK-BORNE

ILLNESS INFO

Asian Worms

Threaten Forest Health

Oak Wilt

Tree Planting

Done Right

Spotted Lanternfly

Hemlock

Woolly Adelgid

Sugar Maples

in Peril

Proper Pruning

Tree Selection