Forest measurement angulometer and application method thereof
A protractor and tree measuring technology, applied in the measurement of spherical vegetation canopy closure and shrub biomass, can solve problems such as low accuracy, achieve the effects of low accuracy, improve accuracy and scientificity, and reduce the intensity of measurement operations
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[0018] The measurement method of measuring shrub biomass and spherical vegetation canopy density with the tree angle measuring device is different from the existing method, specifically:
[0019] 1) Tree measuring angler: Improvements have been made on the basis of traditional angle gauges, such as figure 1 As shown, the dendrometer protractor is composed of a ruler and a guideline connected. A transparent plastic ruler is designed. The length of the ruler is 15.81cm, and the width of the ruler is 2cm. A 25cm long guideline is used to connect to the geometric center of the ruler. The viewing angle θ=36°52′11" formed by the viewpoint of the guideline and the two edges of the transparent ruler.
[0020] 2) The method for measuring the biomass of shrubs with the tree measuring angle device: 1. placing the tree measuring angle device; 2. measuring the number of counting shrubs n; i , Crown D i , using an altimeter to measure the shrub height H i , using the logging method to me...
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