Ecological Archives E090-122-A1

James E. Bedison and Brenden E. McNeil. 2009. Is the growth of temperate forest trees enhanced along an ambient nitrogen deposition gradient? Ecology 90:1736–1742.

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.


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