Blocks (years) | Number of individuals | Number of families | Number of species | Shannon index (average) | Pielou index (average) |
64 | 1008 | 22 | 27 | 1.81 | 0.50 |
31 | 1329 | 10 | 12 | 1.97 | 0.61 |
20 | 680 | 24 | 33 | 1.95 | 0.47 |
Total | 3007 | 36 | 61 |
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