Measures and yields of products and residues 3337 



Table 27-10 — Total cordwood volume per acre of upland oak for all trees over 4.5 

 inches dbh, by age and basal area (Evans et al. 1975)' — Continued 



g-gjQ Average stand age — years 



area 20 30 40 50 60 70 80 90 100 110 



Standard rough cords per acre 



SITE INDEX 65 



20 1.4 3.4 4.8 5.5 5.9 6.2 6.5 6.7 6.8 6.9 



30 2.0 5.1 7.2 8.4 9.1 9.5 9.9 10.1 10.4 10.6 



40 2.5 6.7 9.7 11.3 12.2 12.8 13.3 13.7 14.0 14.2 



50 2.9 8.1 12.0 14.2 15.4 16.2 16.8 17.2 17.6 18.0 



60 3.2 9.4 14.3 17.0 18.5 19.5 20.3 20.8 21.3 21.7 



70 3.3 10.5 16.4 19.8 21.7 22.9 23.8 24.5 25.0 25.5 



80 — 11.4 18.4 22.6 24.9 26.3 27.3 28.1 28.7 29.3 



90 — — 20.3 25.3 28.0 29.7 30.9 31.7 32.5 33.1 



100 _ _ _ 27.9 31.2 33.1 34.4 35.4 36.2 36.9 



110 _____ 36.5 38.0 39.1 40.0 40.7 



120 _______ 42.8 43.8 44.6 



130 _________ 48.4 



SITE INDEX 75 



20 1.9 4.1 5.4 6.1 6.5 6.8 7.1 7.3 7.5 7.6 



30 2.9 6.3 8.2 9.3 9.9 10.4 10.8 11.1 11.4 11.6 



40 3.7 8.3 11.1 12.5 13.4 14.1 14.6 15.0 15.3 15.6 



50 4.3 10.2 13.8 15.7 16.9 17.7 18.4 18.9 19.3 19.7 



60 4.8 12.0 16.6 19.0 20.4 21.4 22.2 22.9 23.4 23.8 



70 5.2 13.6 19.2 22.2 24.0 25.2 26.1 26.8 27.4 27.9 



80 5.4 15.0 21.8 25.4 27.5 28.9 30.0 30.8 31.5 32.1 



90 — 16.3 24.3 28.6 31.1 32.7 33.9 34.8 35.6 36.3 



100 — — 26.8 31.8 34.6 36.5 37.8 38.9 39.8 40.5 



110 _ _ _ _ 38.2 40.2 41.7 42.9 43.9 44.7 



120 ______ 45.7 47.0 48.0 48.9 



130 ________ 52.2 53.2 



SITE INDEX 85 



20 2.5 4.8 6.0 6.7 7.2 7.5 7.8 8.0 8.2 8.3 



30 3.8 7.3 9.2 10.2 10.9 11.5 11.9 12.2 12.5 12.7 



40 4.9 9.8 12.3 13.8 14.7 15.4 16.0 16.5 16.8 17.1 



50 5.9 12.1 15.5 17.3 18.6 19.5 20.2 20.8 21.2 21.6 



60 6.7 14.4 18.7 21.0 22.4 23.5 24.4 25.1 25.7 26.1 



70 7.3 16.5 21.8 24.6 26.3 27.6 28.6 29.5 30.1 30.7 



80 7.8 18.5 24.9 28.2 30.2 31.7 32.9 33.8 34.6 35.2 



90 — 20.3 27.9 31.8 34.2 35.9 37.2 38.2 39.1 39.8 



100 — — 30.9 35.4 38.1 40.0 41.5 42.7 43.6 44.4 



110 _ _ _ 39.1 42.1 44.2 45.8 47.1 48.2 49.1 



120 _____ 48.4 50.1 51.6 52.7 53.7 



130 _______ 56.0 57.3 58.4 



^Source: Dale, Martin E. 1972. Growth and yield predictions for upland oak stands 10 years after 

 initial thinning. U.S.F.S. Northeastern Forest Exp. Sta., Res. Paper NE-241. 21p. 

 ^Site index = Tree height in feet at age 50 years. 



