Table 3.
Annual BVOC emissions by land use class (urban forests of the municipality of Barcelona, year 2008)
| Land use class | Isoprene emissions (t year−1) | Monoterpenes emissions (t year−1) | Other BVOCs emissions (t year−1) | Total BVOC emissions (t year−1) |
|---|---|---|---|---|
| Urban green | 16.78 | 4.94 | 9.65 | 31.36 |
| Natural green | 38.79 | 23.65 | 24.87 | 87.31 |
| Low-density residential | 8.81 | 1.93 | 4.06 | 14.81 |
| High-density residential | 17.09 | 3.20 | 7.89 | 28.18 |
| Transportation | 4.19 | 0.57 | 1.24 | 6.01 |
| Institutional | 0.91 | 1.18 | 2.69 | 4.78 |
| Commercial/industrial | 1.13 | 0.01 | 0.16 | 1.29 |
| Intensively used areas | 7.66 | 0.58 | 2.00 | 10.24 |
| Total | 95.36 | 36.07 | 52.56 | 183.98 |