Product | Value, 2007 ($ million) | Value, 2012 ($ million) |
Government payments | 366 | 588 |
Wetland mitigation banks | 727 | 446 |
Hunting leases and entrance fees | 410 | 789 |
Conservation easements | 315 | 199 |
Conservation banks | 34 | 52 |
Wildlife viewing | 34 | 71 |
Carbon offsets | 1.7 | 7 |
Subtotal, Non-Government | 1521 | 1566 |
TOTAL, ALL | 1887 | 2166 |