Increasing CO2 from subambient to superambient concentrations alters species composition and increases above-ground biomass in a C3/C4 grassland

Authors

H. W. Polley, USDAFollow
Hyrum B. Johnson, United States Department of Agriculture
Justin D. Derner, USDA-ARSFollow

Date of this Version

2003

Comments

Published in New Phytologist (2003) 160: 319–327.

Abstract

The glacial-to-present increase in atmospheric CO₂ concentration is likely to have stimulated plant production, but experimental tests in natural ecosystems are lacking.