TY - JOUR A1 - Hoosbeek, M. R. A1 - Vos, J. M. A1 - Scarascia-Mugnozza, G. E. T1 - Increased physical protection of soil carbon in the mineral soil of a poplar plantation after five years of free atmospheric CO2 enrichment (FACE) JO - Biogeosciences Discuss. J1 - BGD VL - 3 IS - 4 SP - 871 EP - 894 Y1 - 2006/07/05 PB - Copernicus Publications SN - 1810-6277 UR - http://www.biogeosciences-discuss.net/3/871/2006/ L1 - http://www.biogeosciences-discuss.net/3/871/2006/bgd-3-871-2006.pdf ER -