เปรียบเทียบวิธี

	การวัดความสูงต้นไม้	การวัดพื้นที่หน้าตัดต้นไม้ ณ ระดับอก
สาขาวิชา	วนศาสตร์	วนศาสตร์
ตระกูล	Process / pipeline	Process / pipeline
ปีกำเนิด	1950s–2000s	1960s–1980s
ผู้ริเริ่ม	Bitterlich and classical forestry mensuration	Classical forestry practice; formalized by Husch and colleagues
ประเภท	Measurement pipeline	Measurement and calculation pipeline
แหล่งต้นตำรับ	Bitterlich, W. (1984). The Relascope Idea: Relative Measurements in Forestry. Commonwealth Agricultural Bureaux.	Husch, B., Beers, T. W., & Kershaw, J. A. (2003). Forest Mensuration (4th ed.). John Wiley & Sons.
ชื่อเรียกอื่น	Dendrometric height, Tree elevation measurement, Stand height determination	Basal area inventory, Tree density measurement, Stand stocking assessment
ที่เกี่ยวข้อง	4	4
สรุป	Tree height measurement—determining the vertical distance from ground to tree top—is a cornerstone of forest inventory and biomass estimation. Ranging from classical optical instruments (clinometer, Abney level) to modern laser hypsometers and airborne LiDAR, tree height quantification enables calculation of volume, biomass, site index (productivity), and forest structural characterization essential for management, research, and carbon accounting.	Stand basal area is a fundamental forest mensuration metric representing the total cross-sectional area of tree stems per unit land area, typically expressed in square meters per hectare. Formalized across twentieth-century forestry literature (notably by Husch, Beers, and Kershaw), basal area serves as a key indicator of forest density, biomass accumulation, and competitive pressure, essential for yield prediction and stand management planning.