Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Summary of crop yield, carbon stocks, and tradeoffs
| Region | Percentage of region in cropland | Average annual dry yield, all crops (tons crops·ha−1·y−1) | Average change in carbon stock from land conversion (tons C·ha−1) | Average tradeoff index (tons C·ha−1/tons crop yield·ha−1·y−1) |
| Tropics | 10.5 | 1.7 | −120.3 | −76.9 |
| Subtropics | 13.5 | 3.3 | −68.3 | −27.0 |
| Temperate | 20.4 | 3.8 | −62.9 | −26.9 |
| Boreal | 1.4 | 3.7 | −71.5 | −37.0 |
| Polar | <1.0 | 2.2 | −10.5 | −4.7 |
