TABLE 2.
Density, mean basal diameter (BD), mean height (H), basal area (BA), and the relative importance value (RIV) of each species in the shrub layer of Cydonia oblonga community
| Species | Density (stems ha−1) | Mean BD (cm) | Mean H (m) | BA (m2 ha−1) | RIV (%) |
|---|---|---|---|---|---|
| Cydonia oblonga | 3850 | 4.88 | 1.73 | 10.93 | 67.12 |
| Spiraea chinensis | 2650 | 0.77 | 0.92 | 0.13 | 9.97 |
| Rhododendron simsii | 1150 | 1.12 | 0.99 | 0.12 | 4.97 |
| Serissa serissoides | 1550 | 0.47 | 0.35 | 0.03 | 4.10 |
| Rubus corchorifolius | 1100 | 0.60 | 0.93 | 0.04 | 3.30 |
| Hypericum monogynum | 950 | 0.43 | 0.40 | 0.01 | 2.49 |
| Lespedeza bicolor | 800 | 0.38 | 0.30 | 0.01 | 2.13 |
| Rubus parvifolius | 400 | 0.44 | 0.90 | 0.01 | 1.24 |
| Rosa cymosa | 350 | 0.79 | 1.06 | 0.02 | 1.19 |
| Ilex chinensis | 300 | 0.58 | 0.75 | 0.01 | 0.97 |
| Mallotus apelta | 50 | 3.20 | 1.50 | 0.04 | 0.70 |
| Castanea seguinii | 150 | 0.80 | 1.00 | 0.01 | 0.55 |
| Ligustrum leucanthum | 150 | 0.43 | 0.47 | <0.01 | 0.47 |
| Lonicera japonica | 100 | 0.50 | 0.30 | <0.01 | 0.26 |
| Smilax china | 100 | 0.30 | 0.60 | <0.01 | 0.25 |
| Viburnum setigerum | 50 | 0.30 | 0.30 | <0.01 | 0.15 |
| Rubus tephrodes | 50 | 0.40 | 0.30 | <0.01 | 0.14 |
| Total | 13,750 | 1.84 | 1.00 | 11.36 | 100.00 |