Answer:
Benefits:
Pick up litter
Put up bird houses
Put out bird feeders
Put gum and candy wrappers in trash
Hunt deer legally
Follow fish regulations
Harmful effect:
Ride ATV's off trail
Ride horses offstream
Hunt outside of season
Eat fish caught outside of season
Dig up flowers
Carve initials on trees
Drop trash on floor
I think building ponds is a benefit. Hope this helps