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2003•Northern Journal of Applied ForestryRequires access

Use of Stand Density Index as an Alternative to Stocking Percent in Upland Hardwoods

Roger A. Williams

Open publisher page 25 citations

Abstract

Abstract Stand Density Index (SDI) equations were developed and presented for upland hardwoods in southern Ohio. The relationship between SDI and stocking percent from upland hardwood stocking charts were developed, and a diagram displaying this relationship is presented. Critical stand density boundaries equivalent to stocking percent on stocking charts were defined: (1) the C-level of stocking (SDI < 125), (2) the B-level of stocking (125 ≤ SDI < 215), and (3) the A-level of stocking (215 ≤ SDI < 250). A fourth boundary—the region where competition-induced mortality begins—was determined through empirical evidence at an SDI = 175, or 81% stocking. How these boundaries can be utilized in various management strategies is presented. North. J. Appl. For. 20(3):137–142.

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Abstract Stand Density Index (SDI) equations were developed and presented for upland hardwoods in southern Ohio. The relationship between SDI and stocking percent from upland hardwood stocking charts were developed, and a diagram displaying this relationship is presented. Critical stand density boundaries equivalent to stocking percent on stocking charts were defined: (1) the C-level of stocking (SDI < 125), (2) the B-level of stocking (125 ≤ SDI < 215), and (3) the A-level of stocking (215 ≤ SDI < 250). A fourth boundary—the region where competition-induced mortality begins—was determined through empirical evidence at an SDI = 175, or 81% stocking. How these boundaries can be utilized in various management strategies is presented. North. J. Appl. For. 20(3):137–142.

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Available abstract

Abstract Stand Density Index (SDI) equations were developed and presented for upland hardwoods in southern Ohio. The relationship between SDI and stocking percent from upland hardwood stocking charts were developed, and a diagram displaying this relationship is presented. Critical stand density boundaries equivalent to stocking percent on stocking charts were defined: (1) the C-level of stocking (SDI < 125), (2) the B-level of stocking (125 ≤ SDI < 215), and (3) the A-level of stocking (215 ≤ SDI < 250). A fourth boundary—the region where competition-induced mortality begins—was determined through empirical evidence at an SDI = 175, or 81% stocking. How these boundaries can be utilized in various management strategies is presented. North. J. Appl. For. 20(3):137–142.

Key concepts: Stocking, Hardwood, Forestry, Index (typography), Environmental science, Geography, Mathematics, Agroforestry

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