一、西部地区经济发展的意义 我国西部地区１２个省、区、市拥有全国近１／４的人口和６６％的国土面积，地广人稀，资源丰富。其人均耕地、林地、牧草地分别是全国平均水平的１．３倍、１．７倍和１．３倍，森林、草原、水力等资源在全国占有重要地位；西部地区又居长江、黄河 First, the significance of economic development in western China 12 provinces, autonomous regions and municipalities in the western region of China have a population of nearly 1/4 of the population and 66% of the country’s territory, sparsely populated and rich in resources. Its per capita arable land, woodland and pasture land are respectively 1.3 times, 1.7 times and 1.3 times of the national average level. Resources such as forests, grasslands and hydraulic power occupy an important position in the country; the western region is also home to the Yangtze River and the Yellow River