What was the rate of forest coverage forty years ago?
四十年前的森林覆盖率是多少？
To the contrary, the rate of forest coverage reduced, the eco-environment quality correspondingly deteriorated.
而森林覆盖率下降，生态环境质量也相应下降。
The disafforestation and growth of economic crops caused the decreased forest coverage rate and water and soil loss.
大量砍伐森林，种植林业经济作物使得当地森林覆盖率日渐减少，水土流失严重。
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