Table 1 Site characteristics of the 80-year-old, 45-year-old and 17-year-old forests of the Turkey Point Observatory
From: Heat and drought impact on carbon exchange in an age-sequence of temperate pine forests
Site | 80-year-old | 45-year-old | 17-year-old |
|---|---|---|---|
Stand age (start/end) | 64/80 | 29/45 | 1/17 |
Tower location | 42.7102 − 80.3574 | 42.7074 − 80.3485 | 42.6617 − 80.5599 |
Elevation (m) | 184 | 184 | 265 |
Plantation year | 1939 | 1974 | 2002 |
Average canopy height (m) | 23.4 (22.9) | 16.2 | 6.85 |
Tree density (trees ha–1) | 321 (413) | 1583 | 1567 |
Leaf area index, LAI (m2 m–2) | 5.3 (8.5) | 6.6 | 6.4 |
Mean diameter at 1.3Â m height, DBH (cm) | 38.99 (37.2) | 17.90 | 15.76 |
Stand basal area (m2 ha–1) | 36.0 (40.9) | 40.0 | 31.8 |
Above ground biomass (t C ha–1) | 129.62 (143.8) | 86.68 | 44.67 |
Soil texture | Fine sand | Fine sand | Fine sand |
Proportion of sand (%) | 98 | 85 | 93 |
Bulk density (g cm−3) | 1.357 | 1.376 | 1.443 |