| Striped maple
(Acer pensylvanicum) |
Beech
(Fagus grandifolia) |
 |
 |
| Sapling
allometry from
Watershed 1: |
In the summer of 1998, we opportunistically collected saplings of striped maple and beech in order to develop allometric biomass equations. Saplings with a range of basal diameters were collected from two elevation ranges to get a sample representative of the entire watershed. Height and diameters were measured in the field, the saplings were dismantled (into bole, live branches, dead branches, and leaves), and the component parts dried and weighed. Log-log graphs were plotted for different biomass components and regression equations developed to estimate biomass from basal diameter (see graphs below). The original data are also included below.
| Striped maple
(Acer pensylvanicum) |
Beech
(Fagus grandifolia) |
|
|
Sapling
dimension and weight data:
Species # Elev. DBH Basal Ht. Oven dry weight diam Bole Live br Dead br Leaves Total (cm) (cm) (m) (g) (g) (g) (g) (g) Beech 1 Upper 1.11 2.58 2.65 261.69 74.72 16.07 40.04 392.52 Beech 2 Upper 0.73 1.60 2.07 106.32 38.03 1.51 32.64 178.5 Beech 3 Upper - 0.68 0.71 8.83 - - 2.69 11.52 Beech 4 Upper - 0.53 0.70 5.94 - - 1.35 7.29 Beech 5 Upper 1.75 2.82 4.23 518.43 110.78 24.63 57.22 711.06 Beech 6 Low 1.91 2.64 5.27 630.5 142.8 14.65 86.86 874.81 Beech 7 Low - 0.73 0.91 15.89 - 0.7 3.66 20.25 Beech 8 Low 1.48 2.07 3.53 308.71 79.05 25.33 45.27 458.36 Beech 9 Low 1.02 1.97 3.44 244.07 47.39 17.71 29.07 338.24 Beech 10 Low - 0.91 1.18 19.45 5.02 0 4.51 28.98 Beech 11 Low 0.55 1.34 1.84 62.11 12.99 0 8.81 83.91 Beech 12 Low - 0.55 0.70 4.91 - - 1.57 6.48 Striped maple 1 Upper - 0.83 1.01 16.89 - - 5.91 22.8 Striped maple 2 Upper 1.87 2.85 3.34 346.28 146.72 5.73 66.21 564.94 Striped maple 3 Upper - 0.74 0.92 8.1 - - 1.62 9.72 Striped maple 4 Upper 1.28 2.17 2.85 201.3 25.97 13.93 31.08 272.28 Striped maple 5 Upper 0.81 1.34 2.00 59.47 11.76 1.56 9.32 82.11 Striped maple 6 Low 1.95 3.04 4.78 506.47 118.28 20.53 43.46 688.74 Striped maple 7 Low - 0.81 0.98 13.69 - - 2.43 16.12 Striped maple 8 Low - 1.05 1.36 24.38 9.89 1.25 7.34 42.86 Striped maple 9 Low 1.06 2.59 2.58 210.71 73.75 17.87 31.45 333.78 Striped maple 10 Low 1.35 2.05 2.58 155.67 32.49 7.5 24.69 220.35 Striped maple 11 Low 0.45 1.16 1.74 33.05 7 0 7.32 47.37 Striped maple 12 Low - 0.59 0.65 4.46 - - 1.41 5.87 |
Web page created April 2000