Table 1 Weighted Riverine Habitat proportion (wRHp) with regard to barrier type and FCMacHT

From: Over 200,000 kilometers of free-flowing river habitat in Europe is altered due to impoundments

  1. Black—severe habitat alteration (≤25%), dark gray—major habitat alteration (26–50%), gray—substantial habitat alteration (51–75%), light gray—moderate habitat alteration (76–90%), white—low habitat alteration (>90%).
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