a) Comparison of different species in the same environment (individual trees over grass) | |||||||||
Walnut: Individual | Pin oak: Individual trees | ||||||||
Sugar maple: Individual | |||||||||
T | RH | Ea | T | RH | Ea | ||||
Morning | 0.66 | 4.98* | 2.57* | n=50 | 4.72* | 2.69* | 2.36* | n=30 | |
Midday | 0.30 | 1.51 | 0.81 | n=50 | 1.31 | 0.51 | 0.88 | n=30 | |
Evening | 3.39* | 4.39* | 1.01 | n=40 | 0.28 | 0.04 | 0.79 | n=24\ | |
Walnut: Individual | |||||||||
Morning | 5.81* | 3.19* | 2.07* | n=30 | |||||
Midday | 1.93 | 1.37 | 1.26 | n=30 | |||||
Evening | 1.27 | 2.35 | 0.91 | n=24 | |||||
b) Comparison of one species in different environments: Sugar maple | |||||||||
Sugar maple: Clumps | Sugar maple: Street trees | ||||||||
Sugar maple: Individuals | |||||||||
T | RH | Ea | T | RH | Ea | ||||
Morning | 0.16 | 1.95 | 1.75 | n=50 | 5.99* | 4.54* | 9.07* | n=35 | |
Midday | 0.99 | 2.71 | 1.03 | n=5O | 3.98 | 4.96* | 0.53 | n=35 | |
Evening | 1.26 | 1.02 | 0.70 | n=40 | 3.24 | 0.26 | 1.25 | n=30 | |
Sugar maple: Clumps | |||||||||
Morning | 3.40* | 5.40* | 11.02* | n=35 | |||||
Midday | 3.24 | 6.06 | 1.66 | n=35 | |||||
Evening | 4.52 | 0.61 | 1.17 | n=30 |
T - temperature, RH - relative humidity, Ea vapor pressure, n -sample size
↵* indicates statistically significant difference (T-test; significance level 0.95)