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Table 3 Metrics of fragmentation for each of the studied river network in the three analysed scenarios

From: Fragmentation of Chilean Andean rivers: expected effects of hydropower development

  Number of barriers (N) Fragmentation index (FI) Longest Fragment (LF)
Basin Natural 2018 2050 Natural 2018 2050 Natural 2018 2050
Aconcagua 0 10 14 0 0.350 0.406 1 0.768 0.768
Maipo 0 13 33 0 0.393 0.786 1 0.729 0.410
Rapel 0 14 46 0 0.463 0.752 1 0.651 0.540
Mataquito 0 2 36 0 0.080 0.548 1 0.782 0.773
Maule 2 24 89 0.006 0.361 0.681 0.995 0.750 0.750
Itata 1 1 38 0.077 0.044 0.481 0.872 0.872 0.805
Biobío 1 19 158 0.050 0.436 0.936 0.776 0.706 0.668
Imperial 0 1 47 0 0.002 0.381 1 0.995 0.781