Pin Oak | Walnut | Sugar maple | Sugar maple | Sugar maple | |
---|---|---|---|---|---|
Individual | Clump | Street trees | |||
Morning: | |||||
Sample size | 30 | 50 | 50 | 35 | 50 |
Average relative humidity | |||||
Mid-canopy | 72 (0.60) | 89 (0.44) | 91 (0.44) | 90 (0.52) | 93 (0.41) |
Edge canopy | 71 (0.63) | 88 (0.07) | 89 (0.41) | 89 (0.49) | 91 (0.35) |
Reference site | 79 (0.77) | 76 (0.64) | 80 (0.64) | 80 (0.65) | 84 (0.42) |
Average deviation | |||||
Mid-canopy | 7.0 (6.44) | −12.7* (0.41) | −10.7* (0.38) | −10.7* (0.37) | −9.3* (0.32) |
Edge canopy | 8.4 (6.32) | −11.9* (0.35) | −9.2* (0.40) | −9.6* (0.42) | −6.8* (0.31) |
Midday | |||||
Sample size | 30 | 50 | 50 | 35 | 50 |
Average relative humidity | |||||
Mid-canopy | 79 (1.52) | 79 (1.53) | 79 (1.10) | 79 (1.34) | 80 (1.03) |
Edge canopy | 77 (0.85) | 79 (1.32) | 78 (0.58) | 81 (0.68) | 77 (0.53) |
Reference site | 50 (1.15) | 49 (0.92) | 50 (0.85) | 48 (1.01) | 53 (0.78) |
Average deviation | |||||
Mid-canopy | −29.1* (0.53) | −29.8* (0.40) | −29.3* (0.41) | −30.0* (0.41) | −27.2* (0.44) |
Edge canopy | −27.3* (0.55) | −29.3* (0.48) | −27.5* (0.45) | −33.0* (0.49) | −24.0* (0.38) |
Evening | |||||
Sample size | 24 | 40 | 50 | 30 | 40 |
Average relative humidity | |||||
Mid-canopy | 78 (0.80) | 79 (0.38) | 78 (0.47) | 79 (0.68) | 75 (0.44) |
Edge canopy | 77 (0.56) | 78 (0.49) | 76 (0.90) | 77 (0.98) | 74 (0.51) |
Reference site | 47 (1.27) | 49 (1.07) | 46 (0.99) | 47 (0.93) | 43 (0.51) |
Average deviation | |||||
Mid-canopy | −31.3* (0.90) | −30.0* (0.68) | −32.3* (0.50) | −32.3* (0.57) | −32.1* (0.28) |
Edge canopy | −30.0* (0.90) | −28.8* (0.72) | −30.2* (0.51) | −30.4* (0.70) | −31.0* (0.30) |
() standard error
↵* indicates statistically significant difference (T-test, significance level 0.95)