Extended Data Table 1 Contribution of different protection types to total protected river length in the United States (in %)
From: National assessment of river protection in the United States
Protection type | Contiguous United States | United States |
|---|---|---|
Federal | 64.6% | 74.2% |
State | 31.1% | 23.2% |
Local | 0.9% | 0.5% |
Private | 1.9% | 1.2% |
Other | 1.5% | 0.9% |