Table 3.

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)

SpeciesTop Dry Mass (g)
6 months1 year2 years
-+-+-+
Fraxinus latifolia------542 a463 a3286 a2265 b
Ginkgo biloba3.7 a3.3 a11.4 a6.8 a23.2 a17.0 a
Lagerstroemia indica11.7 b24.3 a120 a177 a625 a638 a
Platanus racemosa------1518a720 b9357 a3280 b
Quercus agrifolia22.6 b48.2 a113a143 a677 a533 b
Quercus lobata7.0 b12.0a162 a96 a1346 a925 b
Sequoia sempervirens16.5 b31.3 a386 a102 b1125 a1288 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.