Damaging actions and agents

ON THE GROUND

• Adding or storing soil under canopy
• Changing drainage pattern
• Chemical spills
• Compacting soil
• Cutting/disturbing roots
• Driving under the canopy
• Drought
• Fertilizing
• Installing plants under canopy
• Installing irrigation system
• Installing other utilities
• Irrigating
• Mowing the grass
• Mulch, too much
• Planting too deeply
• Removing soil under canopy

ABOVE THE GROUND

• Hanging items on trunk
• Hurricanes
• Lightning
• Pruning
• Squirrels
• Topping
• Trunk injury