TY - JOUR A1 - Wilske, B. A1 - Burgheimer, J. A1 - Karnieli, A. A1 - Zaady, E. A1 - Andreae, M. O. A1 - Yakir, D. A1 - Kesselmeier, J. T1 - The CO2 exchange of biological soil crusts in a semiarid grass-shrubland at the northern transition zone of the Negev desert, Israel JO - Biogeosciences Discuss. J1 - BGD VL - 5 IS - 3 SP - 1969 EP - 2001 Y1 - 2008/05/09 PB - Copernicus Publications SN - 1810-6277 UR - http://www.biogeosciences-discuss.net/5/1969/2008/ L1 - http://www.biogeosciences-discuss.net/5/1969/2008/bgd-5-1969-2008.pdf ER -