密度指数与林分测树因子数学模型及应用

›› 1994, Vol. 30 ›› Issue (3): 247-252.

• 论文及研究报告 • Previous Articles Next Articles

ESTABLISHMENT AND APPLICATION OF THE DENSITY INDEX AND MATHEMATICAL MODEL OF FOREST INVENTORY FACTORS

Liu Junran

Genhe Forestry Bureau Inner Mongolia 022350

Received:1992-12-07 Revised:1900-01-01 Online:1994-05-25 Published:1994-05-25

Abstract

Abstract: Through the formula, N=aD^-b, two mathematical models were established with inventory factors based on 30 plots sampled in the natural stands of Larix qmelinii Rupr.(1),G=aSDI^b(H-1.3)^c and(2),Y=aSDI^bX^c where S for stand; D,density;I,indexl H,tree height and X,the number of stems.These models could be used to generate the standard tables for tree height, dbh, stand density and density control map.

Key words: Density index, Inventory factors, Mathematical model, Changeable density-yielding table, Density control map

Liu Junran. ESTABLISHMENT AND APPLICATION OF THE DENSITY INDEX AND MATHEMATICAL MODEL OF FOREST INVENTORY FACTORS[J]. , 1994, 30(3): 247-252.

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ESTABLISHMENT AND APPLICATION OF THE DENSITY INDEX AND MATHEMATICAL MODEL OF FOREST INVENTORY FACTORS

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