خلاصة:
There are various methods and models for land evaluation. These methods are classified according to the number of used resources. The best resources capabilities or potentials and land use can be found by analyzing one of the main resources, in the lands close relations to ecologic resources exist. Soil has a great potential for introducing the studied region specifications. Hence, it challenges the mistaken belief stating: “soil is only valid for agricultural applications and it is weak in measuring developing and planning domain.” The present study is done with the aim to achieve the best land use according to a single-factor (soil) model for tourism planning. A soil map was obtained using a combination of conventional and digital soil mapping methods. In conventional process soils were mapped using aerial photo interpretation and physiographic methods and in digital process an elevation model and satellite images were used. Based on the field works and laboratory analyses, the soil map included 13 soil units resulting 176 delineations. Tourism region needs more essential requirements rather than recreation area. Thus, an ecological capability evaluation model developed by Bagheri Bodaghabadi (2016) was employed to evaluate all delineations of the soil map using GIS. Finally, the best environmental planning was presented to design the study area for tourism usage. The results also showed there are moderate to high suitable classes for all tourism purposes, resulting the study area has potential to develop a tourism region. The most important limiting factors in the area include soil depth, slope and coarse fragment of soil. It was also suggested to use local models to evaluate the ecological capacity in the small area.
ملخص الجهاز:
"Thus, the aim of this study was to evaluate the ecological capability of the Ghara-Ghach dam area, to establish a tourism region based on a single- factor model of soil, developed by Bagheri Bodaghabadi (2016).
(View the image of this page) Since by considering the sustainable development, the main aim of the project is reaching a sustainable tourism and since achieving this aim is not possible without preserving the environment and natural resources, the following rules were defined for determining the type of land uses: Rule 1: The units with class 1 of conservation (C1) have the highest priority, but they can involve multiple land utilization type (MLUT) with the uses that do not have degradations of the land, such as foresting, pasturing, extensive recreation (Ex. R) such as walking on the skirts, rock-climbing and mountain biking.
Classification of the slope in the study area (View the image of this page) Table 4 shows land capabilities for different scenarios were presented for some map units.
The land use system map for different applications to develop a tourism region in Ghara-Ghach area (View the image of this page) Based on the results (data not shown here because of their high volume), the most important limiting factors in the region include soil depth, slope and coarse fragments of soil.
This study shows that for environmental planning in small and limited areas (especially when large scale maps are exist), single-factor evaluation of soil can make proper strategy to map suitable land use in conformity to the actual potential of the land."
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