Biomass


Home Page


Site


Tree Rings


Phyto


Allom


Chem


Biomass


Summary

Biomass Equations

ID#

Species Name

Biomass Equations

23

Ash, white

m=.1063 dbh 2.4798

27

Basswood

m=.0617 dbh 2.5328

1

Beech

m=.0842 dbh 2.5715

2

Birch, black/sweet

m=.0629 dbh 2.6606

19

Cedar, Red

m=.1019 dbh 2.3000

3

Cherry, Black

m=.0716 dbh 2.6174

3

Cherry, Sweet

m=.1556 dbh 2.1948

4

Elm, American

m=.0629 dbh 2.6606

4

Elm, slippery/red

m=.0629 dbh 2.6606

34

Black Locust

m=.0792 dbh 2.6349

5

Flowering dogwood

m=.0792 dbh 2.6349

5

Hackberry

m=.0792 dbh 2.6349

28

Hemlock

m=.0622 dbh 2.4500

8

Hickory, mockernut

m= .0792 dbh 2.6349

44

Hickory, pignut

m= .0792 dbh 2.6349

9

Hickory, shagbark

m=.0792 dbh 2.6349

24

Hop hornbeam

m=.0792 dbh 2.6349

37

Hornbeam

m=.0792 dbh 2.6349

20

Maple, Red

m=.0910 dbh 2.5080

21

Maple, Sugar

m=.2064 dbh 2.5300

10

Oak, black

m=.0904 dbh 2.5143

11

Oak, chestnut

m=.0554 dbh 2.7276

12

Oak, red

m=.1130 dbh 2.4572

14

Oak, white

m=.0579 dbh 2.6887

48

Olive

Log 10 (bole + br)grams = 2.025 + 2.163 Log 10 (dbh cm)

49

Pine, White

m=.1617=dbh 2.1420

31

Sassafras

Log 10 (bole + br)grams = 1.9566+2.3836 Log 10 (dbh cm)

4

Sumac, Staghorn

m=.0825 dbh 2.4680

22

Witch Hazel

Log 10 (bole + br)grams = 2.025 + 2.163 Log 10 (dbh cm)

M=ovendry weight of biomass component of tree in kilograms
D=dbh in centimeters
a and b are parameters and are different for every species

 

How are biomass estimates computed?

 Allometry equations are usually expressed in one of two forms

  • biomass = a X dbh b
  • biomass = a + b log (dbh)

These equations give a reasonable estimate of above ground biomass based on tree species and diameter.

 

Introduction
List of Biomass Equations 
How are Biomass Estimates Calculated?

Biomass Estimates for 1991 vs. 1999
Estimated Biomass Based on Annual Tree Growth DBH vs Biomass of Dominant Tree Species

 

Methods of Ecosystem Analysis | Site | Tree Rings | Phyto | Allom | Chem | Biomass | Summary

Methods of Ecosystem Analysis
Date Last Modified: 4/12/99
F&ES 579B, Spring 1999