Research Article
Effect of Disturbance Regimes on Spatial Patterns of Tree Species in Three Sites in a Tropical Evergreen Forest in Vietnam
Table 1
Stratification of vegetation types and characteristics of three main forest types at Xuan Nha Nature Reserve, Vietnam.
| Forest type | Area (ha) | Species richness (/ha) | Family richness (/ha) | Tree density (/ha) | Basal area (m2/ha) |
| Undisturbed (rich forest) | 7,821.4 | 49 | 25 | 751 | 29.8 | Lightly disturbed (average forest) | 2,288.5 | 42 | 21 | 540 | 16.9 | Heavily disturbed (poor forest) | 2,179.5 | 30 | 18 | 478 | 13.0 | Wood and bamboo mixed forest | 483.2 | — | — | — | — | Bamboo forest | 2,921.0 | — | — | — | — | Limestone forest | 1,549.4 | — | — | — | — | Nonforested lands | 1,024.5 | — | — | — | — | Total | 18.267,5 | | | | |
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