TY - JOUR A1 - von Schiller, D. A1 - Martí, E. A1 - Riera, J. L. T1 - Nitrate retention and removal in Mediterranean streams bordered by contrasting land uses: a 15N tracer study JO - Biogeosciences J1 - BG VL - 6 IS - 2 SP - 181 EP - 196 Y1 - 2009/02/11 PB - Copernicus Publications SN - 1726-4189 UR - http://www.biogeosciences.net/6/181/2009/ L1 - http://www.biogeosciences.net/6/181/2009/bg-6-181-2009.pdf DO - 10.5194/bg-6-181-2009 ER -