Use of Geographic Information Systems for Assessment of Suitable Area for Growing Dipterocarpus alatus Roxb. ex G.Don Plant
Keywords:
Geographic information system, Overlay, BiomassAbstract
Use of Geographic Information System for assessment of suitable areas for growing Dipterocarpus alatus Roxb. ex G.Don plant by overlay in Roi Et, Khon Kaen, Maha Sarakham and Kalasin, with an area of 19,304,551 rai. Can be divided into 4 levels the land suitability for Dipterocarpus alatus Roxb. ex G.Don planting, which are the most suitability, 4,093,243 rai, moderate suitability, 4,239,856 rai, less suitability, 9,741,167 rai and unsuitable with 1,230,285 rai. Data collection from 2 - year - old Dipterocarpus alatus Roxb. Ex G.Don found that there were 1 plot in the most suitable maps, 6 plots in maps with moderate suitability and 2 plots in less suitable maps. The average diameter at the chest were 2.43 2.14 and 1.94 centimeters respectively, with the average height of the trees were 2.92 2.59 and 2.48 meters, respectively, and the above-ground biomass were 1.52 1.06 and 0.84 kilograms, respectively.
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