Table 3.
Conservation measures for different ecosystems.
| Ecological zoning | Environmental element status | Utilization and protection measures | ||
|---|---|---|---|---|
| Crisis zone | Atmosphere | Waters | Soil vegetation | Development should be completely limited and no human pressure should occur, and comprehensive nature conservation measures should be implemented |
| x | x | x | ||
| ± | x | x | ||
| x | ± | x | ||
|
| ||||
| Unfavorable zone | x | x | ± | Development should be limited, and human pressure should be reduced for unfavorable environments, and targeted natural protection measures should be implemented |
| x | ± | ± | ||
| ± | ± | |||
| ± | ± | |||
| − | − | − | ||
|
| ||||
| Stable zone | − | − | + | To stabilize artificial pressure on environmental claims and implement natural conservation measures applicable to them |
| − | + | − | ||
| + | + | + | ||
| − | + | + | ||
|
| ||||
| Favorable area | + | − | + | Limits of anthropogenic pressure need to be specified, and natural conservation measures determined as needed |
| + | + | − | ||