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Plant diversity in a Central African rain forest: Implications for biodiversity conservation in Cameroon
be used to some extent to predict the number of species of other growth forms.
Furthermore, the shrub layer (1.5 cm ≤ DBH < 10 cm) was by far the most species
rich in the different vegetation types sampled and appeared to be more diverse and
species-rich than the tree and herbaceous layers. This suggests that sampling design,
based on small plots of 0.1 ha, in which all vascular plants with DBH ≥ 1 cm are
recorded, is a more appropriate sampling method for biodiversity conservation
purposes than assessments based solely on large and medium sized trees (DBH ≥ 10
cm).
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