FIGURE 1. New shoot production of Larrea tridentata at ambient and elevated [CO2] at the Nevada Desert FACE Facility in 1998 (a) and 1999 (b) (n = 27 for each CO2 treatment).
From the following article:
Elevated CO2 increases productivity and invasive species success in an arid ecosystem
Stanley D. Smith, Travis E. Huxman, Stephen F. Zitzer, Therese N. Charlet, David C. Housman, James S. Coleman, Lynn K. Fenstermaker, Jeffrey R. Seemann and Robert S. Nowak
Nature 408, 79-82(2 November 2000)
doi:10.1038/35040544

