The changes of ecological environment in the remaking process of the eroded land by sand and wind

The characters of the changes of eco-environment during the improvement of the eroded land by sand and wind in Yucheng City of Shandong Province were studied based on the investigations on microclimate,sand of wind ,soil nutrient contents,soil microbiology,soil physical characters and vegetation communities.The results showed that the frail eco-environment can be protected and improved by comprehensive management.