“excessive deforestation”簡單造句，excessive deforestation造句子

3、First, erosion resulting from excessive deforestation in the upper reaches of the river and, second, heavy silting which raised the riverbed in the main channel.

4、Two major factors contributed to devastating summer flooding along the Yangtze River and its tributaries . First , erosion resulting from excessive deforestation in the upper reaches of the river and , second ,heavy silting which raised the riverbed in the main channel .

2、In this part, the conviction and the measure penalty of unlawful felling tree and excessive deforestation are studied.

1、Putting forward overall evaluation to the results of unlawful felling tree and excessive deforestation.