TY - JOUR A1 - Koehler, B. A1 - Corre, M. D. A1 - Veldkamp, E. A1 - Sueta, J. P. T1 - Chronic nitrogen addition causes a reduction in soil carbon dioxide efflux during the high stem-growth period in a tropical montane forest but no response from a tropical lowland forest on a decadal time scale JO - Biogeosciences J1 - BG VL - 6 IS - 12 SP - 2973 EP - 2983 Y1 - 2009/12/11 PB - Copernicus Publications SN - 1726-4189 UR - http://www.biogeosciences.net/6/2973/2009/ L1 - http://www.biogeosciences.net/6/2973/2009/bg-6-2973-2009.pdf DO - 10.5194/bg-6-2973-2009 ER -