西北地区旅游业的发展应坚持可持续发展的生态旅游.因为西北地区发展生态旅游有着丰富的旅游资源和良好的市场前景。进入20世纪90年代尤其是1993年以来,全国旅游业发展迅猛,旅游市场走俏。国际市场稳步扩大,国际旅游外汇收入由1986年的世界第20位,上升到1997年的第9位,接待人数 The development of tourism in the northwest should adhere to the sustainable development of ecotourism, because the development of ecotourism in the northwestern region has rich tourism resources and good market prospects. Since the 1990s, especially since 1993, the tourism industry in the country has witnessed rapid development and the tourism market is very popular. The international market steadily expanded. The income from international tourism increased from 20th in the world in 1986 to 9th in 1997. The number of receptions