. Development and evaluation of an even- and uneven-aged ponderosa pine/Arizona fescue stand simulator. Ponderosa pine; Forest management. Phase were then developed and used in a weighted, nonlinear regression program to determine the following, final weighted nonlinear model: Total ingrowth = doS(BACLi)^l (+BACL2)'^2g(d3BA^'^ + dsAjBA^^ where do = = di = di+ = d3 = d^ = where S = Minor's (1964) site index BA = total stand basal area per acre in square feet BACLj = basal area per acre in the 4- through 6
. Development and evaluation of an even- and uneven-aged ponderosa pine/Arizona fescue stand simulator. Ponderosa pine; Forest management. Phase were then developed and used in a weighted, nonlinear regression program to determine the following, final weighted nonlinear model: Total ingrowth = doS(BACLi)^l (+BACL2)'^2g(d3BA^'^ + dsAjBA^^ where do = = di = di+ = d3 = d^ = where S = Minor's (1964) site index BA = total stand basal area per acre in square feet BACLj = basal area per acre in the 4- through 6-inch diameter classes BACL2 - basal area per acre in the 7 -inch diameter classes. The weighted, mean square error for this model was The coefficient of determina- tion, R2, was for 201 observations. See figure 5 for a graph of this function. BA = 25 25 50 25 50. Bosal Area in the 4, 5, and 6 Inch Diameter Glosses In Square Feet/Acre Figure total number of ingrowth trees by site index classes (S) , total basal area classes (BA), and the basal area in the 4-, 5-, and 6-inch diameter classes. 25. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hann, David W; Hann, David W. Ogden, Utah : Intermountain Forest and Range Experiment Station, Forest Service
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Keywords: ., bookcentury1900, booksubjectforestmanagement, booksubjectpondero
