手法を比較

	林分断面積測定	Silvicultural Treatment Design
分野	林学	林学
系統	Process / pipeline	Process / pipeline
提唱年	1960s–1980s	1950s–2000s
提唱者	Classical forestry practice; formalized by Husch and colleagues	Smith, Larson, and classical silviculture
種類	Measurement and calculation pipeline	Planning and decision pipeline
原典	Husch, B., Beers, T. W., & Kershaw, J. A. (2003). Forest Mensuration (4th ed.). John Wiley & Sons.	Smith, D. M., Larson, B. C., Kelty, M. J., & Ashton, P. M. S. (1997). The Practice of Silviculture: Applied Forest Ecology (9th ed.). John Wiley & Sons.
別名	Basal area inventory, Tree density measurement, Stand stocking assessment	Silvicultural prescription, Stand treatment planning, Forest management design
関連	4	4
概要	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.	Silvicultural treatment design is the process of developing specific management prescriptions for forest stands to achieve defined objectives (timber yield, biodiversity, carbon storage, watershed protection). Codified in foundational texts by Smith and colleagues, silvicultural design integrates stand assessment, growth models, and ecosystem understanding to specify interventions (thinning, shelterwood, clear-cut, rotation-age modification) that steer forest development toward intended outcomes while respecting ecological constraints.