Table 2 Statistics of the metrics by the disturbance patterns identified with unsupervised clustering (values rounded to two decimal places)
From: Landscape patterns in stand-replacing disturbances across the world’s forests
Cluster label | Patch count (n) | Total areas (Mha) | Mean count of years ± 1 s.d. | Mean area (ha) ± 1 s.d. | Mean shape index ± 1 s.d. | Mean elongation index ± 1 s.d. | Mean spatial clustering (count) ± 1 s.d. | Mean temporal clustering (%) ± 1 s.d. |
|---|---|---|---|---|---|---|---|---|
Small-isolated | 156,722,592 (62.90%) | 31.81 (12.94%) | 1.00 ± 0.00 | 0.20 ± 0.58 | 1.03 ± 0.07 | 0.41 ± 0.06 | 88.69 ± 83.69 | 8% ± 0.08 |
Clustered | 21,313,772 (8.55%) | 8.33 (3.39%) | 1.01 ± 0.10 | 0.39 ± 1.74 | 1.14 ± 0.29 | 0.47 ± 0.12 | 386.16 ± 260.63 | 50% ± 0.27 |
Complex | 56,257,656 (22.58%) | 65.97 (26.84%) | 1.00 ± 0.00 | 1.17 ± 3.56 | 1.52 ± 0.35 | 0.66 ± 0.07 | 103.58 ± 96.11 | 9% ± 0.09 |
Large-multiyear | 14,855,891 (5.96%) | 139.70 (56.83%) | 2.12 ± 0.35 | 9.40 ± 242.05 | 1.86 ± 0.95 | 0.64 ± 0.11 | 122.10 ± 128.67 | 11% ± 0.14 |