Top dry mass of seven tree species over time growing with (+) and without (-) treeshelters. Dry mass data for 3 months was lost due to a fire in the drying oven, (n=8 for 3- and 6-month data, n=20 for 1 -year data, n=10 for 2-year data)
Species | Top Dry Mass (g) | |||||
---|---|---|---|---|---|---|
6 months | 1 year | 2 years | ||||
- | + | - | + | - | + | |
Fraxinus latifolia | --- | --- | 542 a | 463 a | 3286 a | 2265 b |
Ginkgo biloba | 3.7 a | 3.3 a | 11.4 a | 6.8 a | 23.2 a | 17.0 a |
Lagerstroemia indica | 11.7 b | 24.3 a | 120 a | 177 a | 625 a | 638 a |
Platanus racemosa | --- | --- | 1518a | 720 b | 9357 a | 3280 b |
Quercus agrifolia | 22.6 b | 48.2 a | 113a | 143 a | 677 a | 533 b |
Quercus lobata | 7.0 b | 12.0a | 162 a | 96 a | 1346 a | 925 b |
Sequoia sempervirens | 16.5 b | 31.3 a | 386 a | 102 b | 1125 a | 1288 a |
Values followed by the same letter for each time period are not significantly different from one another at p=0.05 using Scheffe’s multiple separation procedure.