Forest resource examination method and forest resource investigation device
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机译：森林资源检查方法及森林资源调查装置
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Topic Fact finding it does not need, it avoids the danger of the life which is in the midst of investigating, lightens the cost and turnaround time of data processing, even with the beginner brief and at high precision investigate the whole forest, offer forest resource examination method and the forest resource investigation device whose presumption of the biomath accumulation tonnage where the error factor for the actual accumulation tonnage of the forest book accumulation tonnage is small is possible with equal standard. Solutions In stand main stem volume every of forest phase where it did forest phase partition on the basis of 3 dimensional aerial photograph, measured the area every of aforementioned each forest phase, selected sample plot in every forest phase, identified the tree species inside sample plot, measured the height of tree of the trees and shrubs inside sample plot, substituted height of tree to specified height of tree chest high diameter reversional expression and calculated chest high diameter, calculated the stand main stem volume per unit area from height of tree, and chest high diameter multiplied the forest phase area in stand main stem volume per unit area and sought the stand main stem volume inside the particular forest phase, calculatedMultiplying biomath coefficient, it calculates the biomath accumulation tonnage of the particular forest phase. Choice figure Drawing 1
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