TY - JOUR A1 - Prentice, I. C. A1 - Harrison, S. P. T1 - Ecosystem effects of CO2 concentration: evidence from past climates JO - Clim. Past Discuss. J1 - CPD VL - 5 IS - 2 SP - 937 EP - 963 Y1 - 2009/03/12 PB - Copernicus Publications SN - 1814-9359 UR - http://www.clim-past-discuss.net/5/937/2009/ L1 - http://www.clim-past-discuss.net/5/937/2009/cpd-5-937-2009.pdf DO - 10.5194/cpd-5-937-2009 ER -