TY - JOUR A1 - Prentice, I. C. A1 - Harrison, S. P. T1 - Ecosystem effects of CO2 concentration: evidence from past climates JO - Clim. Past J1 - CP VL - 5 IS - 3 SP - 297 EP - 307 Y1 - 2009/07/03 PB - Copernicus Publications SN - 1814-9324 UR - http://www.clim-past.net/5/297/2009/ L1 - http://www.clim-past.net/5/297/2009/cp-5-297-2009.pdf ER -