Double-flag is an old solitary castle situated in west hungriness .
双旗镇是西部荒漠上一个孤零零的古老堡子。
It takes reasonable advantage of these vegetation resource , and provides basis to the revival of damaged hungriness ecological system . At the same time , it is important to protect and improve hungriness environment and to explore the persistent development of hungriness distribution .
Taking wuhai city as an example , the authors discuss the vegetation recovering and ecological reconstruction in mining cities , and put forward the models for ecological reconstruction in the areas of soil and water loss , hungriness , borrow area for brick-tile-yard , coal-field and deep water-logged ground and experiences and advices for protecting rare plants .