The reclamation of the mountainous dry land caused the loss of the thick forest.The expansion of the construction sites was mostly composed of farmland (65.4%) and forestland (27.8%).

• 其中，有林地的流失，绝大部分被开垦为山地旱地，建设用地的扩张中，耕地类景观占到65.；4%25，林地类景观占到27