手法を比較

	林分断面積測定	森林インベントリサンプリング
分野	林学	林学
系統	Process / pipeline	Process / pipeline
提唱年	1960s–1980s	1973
提唱者	Classical forestry practice; formalized by Husch and colleagues	Loetsch, Zöhrer, and Haller
種類	Measurement and calculation pipeline	Statistical sampling pipeline
原典	Husch, B., Beers, T. W., & Kershaw, J. A. (2003). Forest Mensuration (4th ed.). John Wiley & Sons.	Loetsch, F., Zöhrer, F., & Haller, K. E. (1973). Forest Inventory. BLV Verlagsgesellschaft.
別名	Basal area inventory, Tree density measurement, Stand stocking assessment	Forest stand sampling, Timber inventory sampling, Plot-based forest survey
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.	Forest inventory sampling is a systematic approach to estimate forest characteristics such as timber volume, species composition, and biomass by surveying a representative subset of trees rather than conducting exhaustive censuses. Developed by Loetsch and colleagues in the 1970s, the method applies statistical sampling theory to forest assessment and remains the foundation for sustainable forest management and resource monitoring worldwide.