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Niche conservatism indexes obtained by overlapping the environmental grid for S. schenckii on the environmental grid for S. globosa
| Niche overlapping | Overlap index (O) | Unfilled index (U) (S. schenckii) | Expansion index (E) (S. globosa) |
|---|---|---|---|
| S. schenckii/S. globosa | 0.802 (54%) | 0.495 (33%) | 0.197 (13%) |
