Sunlight comes through open forests
Microorganisms become active and underlayer plants grow.
Wild broad-leaved trees suitable for the climate grow naturally.
Forest not cultivated
- By mostly single tree single layer, sunshine become screened off
- Poor and weak forest
- Underlayer plants can rarely exist
Forest well cultivated
- Sunlight comes through open forests
- Microorganisms become active and underlayer plants grow
- Wild broad-leaved trees suitable for the climate grow naturally
- Healthy mixed forests grow
- Biological diversity evolves
- Proper future trees grow better