Dynamic characteristics and spatial-temporal distribution patterns of wetland landscapes in northeast China from 1986 to 2000 were quantitatively analyzed and studied by applying theories and methods
By adopting combined method of zoning protection and sorting protection,protection and cultivation planning of Songhua River Wetland in Harbin had been conducte
Through analyzing the relationship between immortal cultures and tourist activities, the authors proposed that birth of immortal thought was closely related to
After analysis of connotation of low-carbon scenic spots,the paper considered that a perfect low-carbon scenic spot is a comprehensive integrity with satisfying