مقایسهٔ روشها
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| اندازهگیری مساحت مقطع تنه درختان در واحد سطح× | اندازهگیری ارتفاع درخت× | |
|---|---|---|
| حوزه | جنگلداری | جنگلداری |
| خانواده | Process / pipeline | Process / pipeline |
| سال پیدایش≠ | 1960s–1980s | 1950s–2000s |
| پدیدآور≠ | Classical forestry practice; formalized by Husch and colleagues | Bitterlich and classical forestry mensuration |
| نوع≠ | Measurement and calculation pipeline | Measurement pipeline |
| منبع بنیادین≠ | Husch, B., Beers, T. W., & Kershaw, J. A. (2003). Forest Mensuration (4th ed.). John Wiley & Sons. link ↗ | Bitterlich, W. (1984). The Relascope Idea: Relative Measurements in Forestry. Commonwealth Agricultural Bureaux. link ↗ |
| نامهای دیگر | Basal area inventory, Tree density measurement, Stand stocking assessment | Dendrometric height, Tree elevation measurement, Stand height determination |
| مرتبط | 4 | 4 |
| خلاصه≠ | 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. | 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. |
| ScholarGateمجموعهداده ↗ |
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