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Comparison of the environmental factors of the two environmental sites. Data are presented as the mean ± SEs. CS, city site; BF, bamboo forest sites.
| Parameter | CS | BF |
|---|---|---|
| Temperature (°C) | 28.9 ± 0.26 | 22.9 ± 1.21 |
| Relative humidity (%) | 60.5 ± 2.53 | 81.1 ± 4.23 |
| Radiant heat (°C) | 34.5 ± 0.73 | 23.1 ± 1.52 |
| Noise (dB) | 70.1 ± 0.68 | 45.6 ± 1.21 |
| Absolute illumination (lux) | 6585.7 ± 881 | 1578.3 ± 623.15 |
| Wind velocity (m/s) | 0.9 ± 0.19 | 0.2 ± 0.13 |
| Negative air ionization (ions/cm3) | 573.3 ±15.08 | 962.6 ± 38.97 |
