Measures and yields of products and residues 



3437 



Table 27-98 A — Per-acre green weight of above-ground wood and bark (foliage-free) in 



all live trees 1 .0-inch dbh and larger on commercial forest land in five southeastern states 



by species group (McClure et al. 1981) 



Southeast region, 



by State and Biomass Growing stock Rough and rotten Saplings^ 



species group Total Bole Top^ Total Bole Top Total Bole Top Total 



jQflS 



Florida: 



Softwoods 29.5 20.8 8.7 25.2 20.5 4.7 0.4 0.3 0.1 3.8 



Hardwoods 25.7 17.1 8.6 14.4 11.5 2.9 7.1 5.6 1.4 4.3 



Total 55.2 37.9 17.3 39.6 32.0 7.6 7.5 5.9 1.5 8.1 



Georgia: 



Softwoods 30.7 22.3 8.4 26.4 22.0 4.4 .4 .3 .1 3.9 



Hardwoods 31.9 19.8 12.1 20.1 16.1 4.0 5.0 3.7 1.3 6.7 



Total 62.6 42.1 20.5 46.5 38.1 8.4 5.4 4.0 1.4 10.6 



North Carolina: 



Softwoods 26.1 19.7 6.4 23.0 19.4 3.6 .5 .3 .2 2.5 



Hardwoods 51.6 33.6 18.0 35.2 28.4 6.7 7.0 5.2 1.8 9.4 



Total 77.7 53.3 24.4 58.2 47.8 10.3 7.5 5.5 2.1 11.9 



South Carolina: 



Softwoods 34.6 27.0 7.6 31.2 26.3 4.9 .9 .7 .2 2.5 



Hardwoods 46.4 31.0 15.5 31.3 25.2 6.1 7.7 5.8 1.9 7.5 



Total 81.1 58.0 23.1 62.5 51.5 11.0 8.6 6.5 2.1 10.0 



Virginia: 



Softwoods 18.0 13.1 4.9 15.1 12.6 2.5 .6 .4 .1 2.3 



Hardwoods 63.8 43.3 20.5 43.6 35.1 8.4 10.8 8.1 2.7 9.4 



Total 81.8 56.4 25.5 58.7 47.7 10.9 11.4 8.5 2.8 11.7 



Average/acre: 



Softwoods 27.7 20.4 7.3 24.1 20.1 4.0 .5 .4 .2 3.1 



Hardwoods 43.0 28.2 14.8 28.2 22.7 5.5 7.3 5.4 1.7 7.5 



Total Southeast . 70.7 48.6 22.1 52.3 42.8 9.5 7.8 5.8 1.9 10.6 



'Columns do not add because of rounding 



^Includes total sapling weight; tops are otherwise defined as portions of stems and forks below 4 

 inches in diameter plus all limbs over '/2-inch in diameter at the base in trees larger than 5 inches dbh. 

 ■^Saplings are trees 1 to 5 inches in dbh. 



Table 27-99 — Coefficients for regression^ of weight of biomass components Y, in 



pounds per acre, on 50-year site index, X, for fully stocked upland oak and cove 



hardwood timber stands in West Virginia (Wiant and Fountain 1980) 



Tree component 

 weight 



Total tree, green 



Total tree, dry 



Stem to 4-inch top, green 



Stem to 4-inch top, dry 



Branches, green 



Branches, dry 



'Y = a -F bx 



** = Significant at the .01 level of probability 

 NS = Not significant at the .05 level of probability 

 Degrees of freedom = 98 



Intercept Slope Correlation 



