Appendix A. A table listing the allometric equations used in WBI calculation.
TABLE A1. Species-specific allometric equations used to predict whole tree aboveground biomass in 1984 and 2004.
Species |
Form* |
a |
b |
c |
dbh |
Biomass |
Reference† |
Acer saccharum |
1 |
2.0537 |
2.4793 |
1 |
cm |
g |
Siccama et al. 1994 |
Fagus grandifolia |
1 |
2.112 |
2.462 |
1 |
cm |
g |
Siccama et al. 1994 |
Pinus resinosa |
2 |
-2.4684 |
0 |
2.3503 |
cm |
kg |
Ker 1980 |
Pinus strobus |
2 |
5.2831 |
0 |
2.0369 |
cm |
g |
Pastor et al. 1984 |
Betula papyrifera |
2 |
-2.2308 |
0 |
2.4313 |
cm |
kg |
Ker 1980 |
Abies balsamea |
1 |
0.086 |
2.53 |
1 |
in |
lb |
Baskerville 1965 |
Picea rubens |
1 |
2.1735 |
2.1936 |
1 |
cm |
g |
Siccama et al. 1994 |
Betula alleghaniensis |
1 |
2.1047 |
2.4417 |
1 |
cm |
g |
Siccama et al. 1994 |
Acer rubrum |
2 |
-1.721 |
0 |
2.334 |
cm |
g |
Crow 1983 |
*1: log biomass = a + b * log dbh
2: ln biomass = a + b * dbh + c * ln dbh
†biomass equations and references taken from Jenkins et al. 2004
LITERATURE CITED
Baskerville, G. L. 1965. Dry-matter production in immature balsam fir stands. Forest Science, Monograph 9:1–42.
Crow, T. R., and G. G. Erdmann. 1983. Weight and volume equations and tables for red maple in the Lake States. Research Paper NC-242. U. S. Department of Agriculture, Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota, USA.
Jenkins, J. C., D. C. Chojnacky, L. S. Heath, and R. A. Birdsey. 2004. General Technical Report NE-319. U.S. Department of Agriculture, Forest Service, Northeastern Research Station, Newtown Square, Pennsylvania, USA.
Ker, M. F. 1980. Tree biomass equations for ten major species in Cumberland County, Nova Scotia. Information Report M-X-108. Canadian Forest Service, Maratimes Forest Reesearch Centre, Frederiction, New Brunswick, Canada.
Pastor, J., J. D. Aber, and J. M. Melillo. 1984. Biomass prediction using generalized allometric regressions for some northeast tree species. Forest Ecology and Management 7:265–274.
Siccama, T. G., S. P. Hamburg, M. A. Arthur, R. D. Yanai, F. H. Bormann, and G. E. Likens. 1994. Corrections to allometric equations and plant tissue chemistry for Hubbard Brook Experimental Forest. Ecology 75:246–248.