| Grand Dunhuang in tourism fast development and at the same time, there was a series of ecological degradation problems: YueYaQuan is at stake, west lake wetland nature reserve atrophy, YuMenGuan Yang and facing danger of being swallowed an oasis, Dunhuang mogao grottoes diseases with wetland degradation, scarred, etc. CPC central committee and the state council highly of Dunhuang ecological problems in wen, March 31, 2006, January 11st 2007 and March 6, 2007 made three times respectively important instructions. JiangYouXu led by academician, the organization completed "Grand Dunhuang ecological protection and regional development strategy" academician consulting project, in 2009, on May 16, life by the Chinese academy of sciences with medical 14 session four times by the standing committee member, is listed as 2009 annual consulting project.Niche suitability evaluation ideology has got the basic identity, world urban niche suitability reflects reality niche niche close to its best reflects the degree of urban ecological system, the harmonious sex, urban life city competitiveness of suitable degree, the size and the capability of sustainable development. Urban ecological niche suitability index system and evaluation of urban ecological bits of city is suitability for scientific evaluation and development is an important part of decision-making.Based on synthetic analysis of niche suitability on the basis of theoretical study progress, according to niche suitability evaluation ideology, the urban ecological niche it.this measuring index system of suitability, have chosen the tourism resources dimension, tourism and economic dimension, urban social peacekeeping urban environment 4 Grand dimensions 23 key sustainable indicators, constructing great Dunhuang tourist city niche suitability evaluation index system, using data from 1999 to 2009 for Grand Dunhuang 5 counties, 2000 to 2009 of the tourist city of sustainable development, seeking for a large pathologic diagnosis of harmonious development of Dunhuang tourist city, puts forward the Grand obstacle factor Dunhuang tourist city ecosystem benign development of countermeasures. The main conclusions are as follows:1) During the past ten years, four dimensions of niche suitability are increased, but growth speed every city specific situations are different. Overall, 2000-2003 relatively slow growth, 2004, 2005 - for turning years annual a quicker growth of 2009.2) For nearly a decade, space distribution character, tourism city niche suitability to wine jia to focus international tourism gold Dunhuang traffic trunk lines. Located in the city, tourist traffic line niche suitability is higher than the city. Far from transit3) For nearly a decade, 5 counties are concerned, Dunhuang in the Grand Dunhuang in the sustainable development of regional tourism is irreplaceable role of the first city growth pole, Dunhuang regional tourism sustainable development of urban ecological system stabilizers.4) Over the past decade, tourism resources, and this unchanged wikipedia tourism economic dimension, urban social dimension, the urban environment dimension in comparison, the tourism resources are Grand influence of urban ecosystem Dunhuang tourism sustainable development of ecological factor core.5) In the tourism resource established condition, great influence Dunhuang tourist city niche suitability of ecological factors as follows: urban social order > tourism economy >urban environment. Explains the city basic service facilities are Grand influence of sustainable development of Dunhuang tourist cities in the main ecological factors.6) Grand Dunhuang tourism resources and its tourism economy and its not match, explains the large Dunhuang regional tourism sustainable development with a lot of room to rise.7) The railway traffic LvYouXian melon, open, not only restricts the Dunhuang tourism economy, and the total development of more major restricted yumen and melon states the development of total tourism economic development. This just shows: with the melon, railway, new tourist person-time has increased rapidly, and the Grand Dunhuang regional tourism economic output in some degree of but reduction. Shows: the growth of total tourist economy would not necessarily as tourist traffic flow and the corresponding increase in proportion, the two is not. |
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