森林面积,是维持人类居住环境、生态平衡的重要条件。随着时间的推移,世界人口与日俱增,人类集居的城市面积逐渐扩大,植物繁盛的森林面积逐渐减少, The area of ​​forest is an important condition for maintaining human living environment and ecological balance. With the passage of time, the world’s population is increasing day by day. The area of ​​cities inhabited by human beings is gradually expanding, and the area of ​​prosperous forests is gradually decreasing.