| 1505090 |
human caused injury |
|
Art - People damage to trees |
| 5443536 |
human caused injury |
|
names carved in outer bark on paper birch
|
| 1397097 |
human caused injury |
|
"lantern canker", Shawnee National Forest |
| 1374327 |
human caused injury |
|
Names carved into the smooth bark |
| 1374325 |
human caused injury |
|
Names carved into the smooth bark |
| 5059088 |
transplant shock |
|
transplant injury |
| 1407037 |
human caused injury |
|
they might see that damage to trees in a dead end. |
| 5032097 |
mechanical |
|
Mechanical damage on a green ash tree, inlcuding a wound and a crack, caused by a vehicle. |
| 5032098 |
mechanical |
|
A green ash with mechanical damage (vehicle) and poor form resulting from decay and bad branch angles. |
| 1473169 |
human caused injury |
|
Campground in aspen stand sustaining damage from campers carving, axing, and otherwise injuring the bark; photo taken 8/1973. |
| 1473178 |
human caused injury |
|
bark injury in campground; photo taken 7/1974 |
| 1473188 |
human caused injury |
|
|
| 1505030 |
air pollutants |
|
Air pollution damage |
| 1408021 |
human caused injury |
|
This oak was severely wounded when it was small. A crack later formed over the callus closure. Lawn mowers cause many injuries that later become cracks. Injured roots or roots killed during planting may also lead to cracks five or even 10 years later. |
| 3046065 |
human caused injury |
|
weed wacker damage to base of small tree |
| 1397027 |
human caused injury |
|
"lantern canker" |
| 1407058 |
Road salt or de-icing salt |
|
Road salt and other chemicals will damage trees, especially wounded ones. |
| 5060095 |
human caused injury |
|
tree cankers with electrical box |
| 5060096 |
human caused injury |
|
tree with lantern hanger nail |
| 5061024 |
human caused injury |
|
severe weed wacker damage |
| 5061025 |
human caused injury |
|
weed whacker damage |
| 5058055 |
Road salt or de-icing salt |
|
spray damage |
| 5058056 |
Road salt or de-icing salt |
|
spray damage |
| 5056006 |
human caused injury |
|
mower weed whip damage |
| 5056007 |
human caused injury |
|
mower weed whip damage |
| 5055006 |
human caused injury |
|
"lantern" canker on birch with nail |
| 5055007 |
human caused injury |
|
"lantern" canker on tree (nail above canker) |
| 5045007 |
human caused injury |
|
"lantern" canker |
| 5049006 |
human caused injury |
|
carving vandalism |
| 1397034 |
human caused injury |
|
This tree has a chestnut blight canker that formed after the name was carved in the trunk. |
| 1397035 |
human caused injury |
|
names carved into tree |
| 1397070 |
human caused injury |
|
Bark peeled from white birch (Betula papyrifera) in a camground. |
| 1406141 |
Road salt or de-icing salt |
|
|
| 1442023 |
Road salt or de-icing salt |
|
|
| 1442025 |
Road salt or de-icing salt |
|
spray injury |
| 1441117 |
Road salt or de-icing salt |
|
|
