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| forest- deterioration | |||
| forest devastation | |||
| forest deterioration | |||
| forest damage Reduction of tree population in forests caused by acidic precipitation, forest fires, air pollution, deforestation, pests and diseases of trees, wildlife, etc. (森林树木数量的减少，主要因为酸性降水，森林火灾，空气污染，森林砍伐，虫害和树木疾病，野生动物等。) | |||
| devastation of forests | |||
| 森林破坏: 3 phrases in 2 subjects |
| Economy | 1 |
| Environment | 2 |