[10 pts] The table shows the diameter at breast height (DBH) for eight hardwood...
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[10 pts] The table shows the diameter at breast height (DBH) for eight hardwood, deciduous trees collected in a 5-meter radius area, as well as the aboveground dry biomass (bm) calculated with the equation from Jenkins et al. (2003).
Tree | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
DBH (cm) | 7 | 20 | 9 | 15 | 11 | 26 | 33 | 45 |
bm (kg) | 15 | 196 | 28 | 97 | 46 | 372 | 664 |
Calculate the total tree carbon per area (in ton C/ha).
Assume that 50% of the aboveground dry biomass is carbon and the ration of 30% of root per aboveground dry biomass.
Note that the last biomass value (tree #8) is missing in the table, so you will need to calculate that complete this question.
Equations and conversion factors:
For Hardwood (maple, oak, hickory, beech):
Area of a circle = π r2
1 ton = 1,000 kg
1 ha = 10,000 m2