Influenced by artificial factors, landscape pattern of Yantai City, Shandong Province changes continu-ously. Revealing its landscape pattern and its changing pr
The growing attention on urban tourism was very widespread. There are two angles to study urban tourism: supply-side and demand-side. And the supply-side of the
China is a country in the period of economy takeoff. We cannot use the common method to forecast its fu-ture econotmy level. This paper establishes an economic
Based on the theories of landscape ecology,landscape eco-environment in the coutrol watershed by reser-voir of Erlong Mountain in Heilogjiang Province was analy