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Full-Text Articles in Forest Sciences
Predicting Quaking Aspen Stand Dynamics In Minnesota, R.A. Leary, G.J. Brand, D.A. Perala
Predicting Quaking Aspen Stand Dynamics In Minnesota, R.A. Leary, G.J. Brand, D.A. Perala
Aspen Bibliography
This paper presents equations for predicting future basal area, number of trees, and total cubic-foot volume of aspen stands in Minnesota. The modeling methodology uses a fully-stocked yield table for quaking aspen as a density standard. A relative density change equation based on observed growth from permanent plots provides the basis for predicting the future relative density and therefore the future basal area, number of trees, and volume. The equations are easy to apply and require only site index, age, and beginning basal area, number of trees, and volume. North. J. Appl. For. 10(1):20-27.
Volume And Value Growth Of Hardwood Trees In Wisconsin, J. Buongiorno, J.S. Hseu
Volume And Value Growth Of Hardwood Trees In Wisconsin, J. Buongiorno, J.S. Hseu
Aspen Bibliography
The volume of healthy trees of commercial size in the maple-birch forest type measured during the last two Forest Inventory Analysis surveys of Wisconsin grew at 2 to 3%/yr for sawtimber, and 3 to 4% for pole timber, with substantial differences among species. However, from 1967 to 1989, the real price of logs decreased or remained constant for most grades and species. The decrease was especially large for high grade logs. The only exceptions were red oak and elm, whose prices increased at i to 2 %/yr, for all grades. As a result, the average value growth rate of the …