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Plant diversity in a Central African rain forest: Implications for biodiversity conservation in Cameroon<br />

Figure 3.5 Change in Shannon diversity (H’) and <strong>the</strong> number of stems/ha for 145 plots of 0.1 ha each taking into account a different minimum cut-off level size. For example,<br />

DBH = 1 cm means when all vascular plants with diameter ≥ 1 cm are recorded.<br />

52<br />

No of stems/ha<br />

6000<br />

5000<br />

4000<br />

3000<br />

2000<br />

1000<br />

0<br />

DBH = 1<br />

DBH = 2<br />

DBH = 3<br />

DBH = 4<br />

DBH = 5<br />

DBH = 6<br />

DBH = 7<br />

DBH = 8<br />

DBH = 9<br />

DBH = 10<br />

DBH = 11<br />

DBH = 12<br />

DBH = 13<br />

Stems/ha<br />

Shannon diversity index (H')<br />

DBH = 14<br />

DBH = 15<br />

DBH = 16<br />

DBH = 17<br />

Minimum DBH in sample<br />

DBH = 18<br />

DBH = 19<br />

DBH = 20<br />

DBH = 30<br />

DBH = 40<br />

DBH = 50<br />

DBH = 60<br />

DBH = 70<br />

DBH = 80<br />

DBH = 90<br />

DBH = 100<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0<br />

Shannon diversity index (H')

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