a one-year post-fire record of macronutrient cycling in a mountain sandstone fynbos ecosystem, south africa论文.pdfVIP

South African Journal of Botany 97 (2015) 48–58 Contents lists available at ScienceDirect South African Journal of Botany journal homepa ge: /l ocate/sajb A one-year post-fire record of macronutrient cycling in a mountain sandstone fynbos ecosystem, South Africa Eugene W. Bergh a,b,⁎, John S. Compton a a Department of Geological Sciences, University of Cape Town, Rondebosch 7700, South Africa b Natural History Department, Iziko South African Museum, P.O. Box 61, Cape Town 8000, South Africa a r t i c l e i n f o a b s t r a c t Article history: Nutrient inputs and dynamics of the fynbos ecosystem, particularly after a fire, are poorly understood. This article Received 17 April 2014 provides chemical analyses of macronutrients (Cl, Na, SO , Mg, Ca and K) in rainwater, stream water, soil and bed- 4 Received in revised form 21 November 2014 rock over a period of one year following a fire event in a coastal mountain sandstone fynbos ecosystem. Accepted 24 November 2014 Rainwater, stream water, soil and bedrock samples were taken from a mountain fynbos area underlain by homo- Available online 16 January 2015 geneous Peninsula Formation sandstone bedrock for a one-year period. Rainwater, stream water and soil saturat- Edited by RM Cowling ed paste extracts were analysed for macronutrients using a Dionex DX-120 Io