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| Response of Ecological Environment along Desert Scenic Spot Trails to Trampling Disturbance |
| Li Longtang1, Xue Chenhao2, Zhang Zhinan1 |
1. School of Resources and Environment, Ningxia University, Yinchuan 750021, China;
2. School of Administration, Northwest University for Nationalities, Lanzhou 730030, China |
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Abstract Vegetation is important barrier in desert area at soil and water conservation windbreak and sand-fixation. Selecting Shapotou and Huangshagudu scenic spots in Ningxia as study area, the response of desert scenic spot trails to tourist trampling disturbance was studied. In addition to vegetation and soil change represented by vegetation cover reduction (CR), vegetation floristic dissimilarity (FD), vegetation height reduction (HR), soil crust fragmentation (SCF) and index of land cover impact (ILCI), the limits of acceptable change (LAC) was also selected as and indicator. The results showed that: (1) The tourist trampling disturbance mainly were limited 0-4 meters distance from the tourist trails, but there was difference for different tourist trails. (2) The index of land cover impact (ILCI) of the investigating sections indicated the 1 meter distance from tourist trail is seriously disturbed; Because of the palisade on both sides of the plank road, the average value of ILCI in north of Shapotou (investigating section 4) is less than 44.9%. (3) Based on limits of acceptable change (LAC) visitor questionnaires, the limit of acceptable change in ground coverage was 16.4%. The vegetation coverage should be below this level at desert scenic spots. It shows that there is natural incompatible relationship between tourist demand to the empty and desolate desert and desert ecological management. (4) The impact variables were correlated to the gradient border area gradient and the tourist trail width. The results also indicated that the current tourism disturbance had some negative effect on the tourist experience and ecosystem.
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Received: 27 May 2014
Published: 20 July 2015
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2015, Vol. 35 
