The Carboniferous System in Hetian River Gasfield was mainly formed of a set of interbedded clastic rocks,carbonate rocks as well as interbedded gypsum,mixed plateform shore clastic and shelf facies.

• 以分布于和田河流域的天然柽柳灌木林地为研究对象,使用影子工程法、机会成本法等方法,评价了其生态系统服务价值。