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forest deterioration | |||
forest deterioration 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。) | |||
forest decay | |||
forest degradation |
森林 退化 : 6 phrases in 2 subjects |
Forestry | 4 |
Name of organization | 2 |