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| forest conservation | |||
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| forest protection Branch of forestry concerned with the prevention and control of damage to forests arising from the action of people or livestock, of pests and abiotic agents | |||
|
mezu aizsardziba : 3 短语, 1 学科 |
| 环境 | 3 |
|
| |||
| forest conservation | |||
| |||
| forest protection Branch of forestry concerned with the prevention and control of damage to forests arising from the action of people or livestock, of pests and abiotic agents | |||
|
mezu aizsardziba : 3 短语, 1 学科 |
| 环境 | 3 |