DEGREES:
2001 Ph.D., Environmental Science, Wageningen Agricultural University, the Netherlands. Effects of tree species on soil properties in a forest of the northeastern United States (advisors: Drs. Nico van Breemen, Gene Likens).
1996 M.S. (with distinction), Environmental Science, Wageningen Agricultural University, the Netherlands.
-Modeling the effects of elevated CO2 on soil organic carbon dynamics in a Mediterranean forest, Italy, using the CENTURY model (advisors: Drs. Nico van Breemen, Fayez Raiesi Gahrooee).
-Modeling the transport and fate of poly-cyclic aromatic hydrocarbons in contaminated soils (advisors: Drs. Sjoerd van der Zee, Joop Harmsen).
1990 B.S., Tropical Soil Science and Water Management, International Agricultural College Deventer, the Netherlands.
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RESEARCH INTERESTS
Dr. Dijkstra studies effects of global climate change on soil processes such as organic matter decomposition, nutrient cycling, and exchange of greenhouse gasses in semi-arid grasslands. Current projects:
1. The effects of elevated CO2 and warming on carbon and nutrient cycling in a semiarid grassland (Prairie Heating And CO2 Enrichment, PHACE: www.phace.us).
2. The effects of elevated CO2, water availability, and plant species composition on soil organic matter decomposition.
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PUBLICATIONS
Dijkstra FA & W Cheng. 2008. Increased soil moisture content increases plant N uptake and the abundance of 15N in plant biomass. Plant and Soil 302:263-271.
Dijkstra FA, E Pendall, AR Mosier, JY King, DG Milchunas, & JA Morgan. 2008. Long-term enhancement of N availability and plant growth under elevated CO2 in a semiarid grassland. Functional Ecology, doi: 10.1111/j.1365-2435.2008.01398.x.
Dijkstra FA, & W Cheng. 2007. Interactions between soil and tree roots accelerate long-term soil carbon decomposition. Ecology Letters 10:1046-1053.
Dijkstra FA, & W Cheng. 2007. Moisture modulates rhizosphere effects on C decomposition in two different soil types. Soil Biology and Biochemistry 39:2264-2274.
Johnson DW, FA Dijkstra, & W Cheng. 2007. The effects of Glycine max and Helianthus annuus on nutrient availability in two soils. Soil Biology and Biochemistry 39:2160-2163.
Dijkstra FA, JB West, SE Hobbie, PB Reich, & J Trost. 2007. Dissolved inorganic and organic N leaching from a grassland field experiment: interactive effects of plant species richness, atmospheric [CO2], and N fertilization. Ecology 88:490-500.
Cheng W & FA Dijkstra. 2007. Theoretical and empirical validation of a continuous labeling method using naturally 13C-depleted carbon dioxide. Journal of Integrative Plant Biology 49:401-407.
Dijkstra FA, W Cheng, & DW Johnson. 2006. Plant biomass influences rhizosphere effects on soil organic matter decomposition in two differently managed soils. Soil Biology and Biochemistry 38:2519-2526.
Dijkstra FA, K Wrage, SE Hobbie, & PB Reich. 2006. Tree patches show greater N losses but maintain higher soil N availability than grassland patches in a frequently burned oak savanna. Ecosystems 9:441-452.
Dijkstra FA, SE Hobbie, & PB Reich. 2006. Soil processes affected by 16 grassland species grown under different environmental conditions. Soil Science Society of America Journal 70:770-777.
Dijkstra FA, SE Hobbie, PB Reich, & JMH Knops. 2005. Divergent effects of elevated CO2, N fertilization, and plant diversity on soil C and N dynamics in a grassland field experiment. Plant and Soil 272:41-52.
Dijkstra FA, SE Hobbie, JMH Knops, & PB Reich. 2004. Nitrogen and plant species interact to influence soil carbon stabilization. Ecology Letters 7:1192-1198.
Dijkstra FA & RD Fitzhugh. 2003. Aluminum solubility and mobility in relation to organic carbon in surface soils affected by different tree species. Geoderma 114:33-47.
Dijkstra FA, N van Breemen, AG Jongmans, GR Davies, & GE Likens. 2003. Calcium weathering in forested soils and the effect of different tree species. Biogeochemistry 62:253-275.
Dijkstra FA. 2003. Calcium mineralization in the forest floor and surface soil beneath different tree species of the northeastern US. Forest Ecology and Management 175:185-194.
Aber J, ES Bernhardt, FA Dijkstra, RH Gardner, KH Macneale, WJ Parton, STA Pickett, DL Urban, & KC Weathers. 2003. Standards of practice for review and publication of models - summary of discussion. In: CD Canham, JJ Cole, WK Lauenroth (eds.), The role of models in ecosystem science. Princeton University Press, p. 204-210.
Dijkstra FA & MM Smits. 2002. Tree species effects on calcium cycling: the role of calcium uptake in deep soils. Ecosystems 5:385-398.
Dijkstra FA, C Geibe, S Holmström, US Lundström, & N van Breemen. 2001. The effect of organic acids on base cation leaching from the forest floor under six North American tree species. European Journal of Soil Science 52:205-214.
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