Feike A. Dijkstra

Department of Environmental Studies

University of California, Santa Cruz

1156 High Street

Santa Cruz, CA 95064

Tel: 831-459-3791

E-mail: dijkstra@ucsc.edu

U.S. Citizen

Feike in the Soil Ecology Lab.

Positions

· Postdoctoral Research Associate, Department of Environmental Studies, University of California, Santa Cruz, under the direction of Dr. Weixin Cheng, April 2004-present. Research on rhizosphere processes affecting soil organic matter decomposition and N cycling.

· Postdoctoral Research Associate, Department of Ecology, Evolution, and Behavior, University of Minnesota, under the direction of Drs. Sarah Hobbie and Peter Reich, June 2001- March 2004. Research on the interactive effects of plant species diversity and identity, elevated CO₂, and N deposition on soil C and N dynamics; the effects of fire and vegetation on N cycling.

Education

· Ph.D., Environmental Science, Wageningen Agricultural University, the Netherlands, September, 2001

Effects of tree species on soil properties in a forest of the northeastern United States (advisors: Drs. Nico van Breemen, Gene Likens).

· M.S. (with distinction), Environmental Science, Wageningen Agricultural University, the Netherlands, September 1996.

- 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).

· B.S., Tropical Soil Science and Water Management, International Agricultural College Deventer, the Netherlands, January 1990.

Publications

· Dijkstra FA, JB West, SE Hobbie, PB Reich, & J Trost. In press. Dissolved inorganic and organic N leaching from a grassland field experiment: interactive effects of plant species richness, atmospheric [CO₂], and N fertilization. Ecology.

· Cheng W & FA Dijkstra. In press. Theoretical and empirical validation of a continuous labeling method using naturally ¹³C-depleted carbon dioxide. Journal of Integrative Plant Biology.

· 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.

Manuscripts in Review

· Dijkstra FA & W Cheng. Moisture modulates rhizosphere effects on C decomposition in two different soil types. Soil Biology and Biochemistry

· Dijkstra FA & W Cheng. Does an elevated CO₂-induced soil moisture effect cause the reduction of ¹⁵N abundance in plant biomass? New Phytologist

Manuscripts in Preparation

· Dijkstra FA & W Cheng. Long-term rhizosphere effects of Fremont cottonwood and Ponderosa pine on soil organic matter decomposition in three different soil types (for Global Change Biology).

· Johnson DW, FA Dijkstra & W Cheng. Rhizosphere effects enhance soil nutrient availability in a growth chamber study (for Soil Biology and Biochemistry).

Teaching Experience

· Guest lecturer, Environmental Restoration, San Jose State University, Fall 2006 (1 lecture).

· Instructor, Soils and Plant Nutrition (ENVS 161A/L, lecture and laboratory), Department of Environmental Studies, University of California, Santa Cruz, Winter 2006 (Co-taught, 50% responsibility).

· Guest lecturer, The Physical and Chemical Environment (ENVS 23), Department of Environmental Studies, University of California, Santa Cruz, Spring 2005 (1 lecture).

· Guest lecturer, Soils and Plant Nutrition (ENVS 161), Department of Environmental Studies, University of California, Santa Cruz, Spring 2004 (1 lecture).

· Instructor, Woody Plant Physiological Ecology (FR 4118/5118), Department of Forest Resources, University of Minnesota, Spring 2004. (Co-taught, 33% responsibility).

· Advisor of REU undergraduate student, Summer 2003: Leigh Seeleman: Species effects on soil respiration.

· Advisor of honors thesis undergraduate student, Jan-Jun 2003: Greg Snyder: Effects of pH and calcium levels on respiration rates of Alaskan soils.

· Guest lecturer, Ecosystem Ecology (EEB 4609W), Department of Ecology, Evolution, and Behavior, University of Minnesota, Fall 2002 (2 lectures).

· Participant, Preparing Future Faculty (course in teaching in higher education), University of Minnesota, Fall 2002.

· Advisor of two M.S. students:

- May-Oct 2000: Mark Smits: Soil uptake from different depths of two tree species and their effect on calcium availability.

- May-Oct 1999: Natasja van Gestel: Effects of canopy tree species on rates of calcium mineralization in a temperate forest.

· Teaching assistant, Modeling of Soil Processes, Laboratory of Soil Science and Geology, Wageningen University, the Netherlands, Spring 1998.

Presentations

· Soil Science Society of America Annual Meeting – invited speaker, 2006.

· Biogeomon, 5^th International Symposium on Ecosystem Behavior – invited speaker, 2006.

· University of Kentucky, Department of Plant and Soil Sciences, Lexington – invited speaker, 2006.

· Indiana University, School of Public and Environmental Affairs, Bloomington – invited speaker, 2006.

· American Geophysical Union Annual Meeting – poster, 2005.

· Ecological Society of America Annual Meeting – oral presentation, 2005.

· University of Leeds, School of Geography, Leeds, UK – invited speaker, 2005.

· University of Minnesota, Department of Soil, Water, and Climate, Saint Paul – invited speaker, 2004.

· Oak Ridge National Laboratory, Oak Ridge – invited speaker, 2004.

· University of Arizona, Department of Soil, Water, and Environmental Science, Tucson – invited speaker, 2004.

· Wageningen University, Laboratory of Soil Science and Geology, Wageningen, the Netherlands – invited speaker, 2003.

· American Geophysical Union Annual Meeting – poster, 2003.

· Ecological Society of America Annual Meeting – oral presentation, 2003.

· Ecological Society of America Annual Meeting – oral presentation, 2002.

· Gordon Conference: Forested Catchments Biannual Meeting – poster, 2001.

· Soil Science Society of America Annual Meeting – oral presentation, 2000.

· Ecological Society of America Annual Meeting – oral presentation, 2000.

· Society of Soil Scientists of Southern New England Annual Meeting – invited speaker, 1999.

· Gordon Conference: Forested Catchments Biannual Meeting – poster, 1999.

Honors and Awards

· Award for excellence in presentation of a paper in the division S-7, Forest Soils, Soil Science Society of America, 2000.

· “Researcher in training”, a four year fellowship covering salary, travel and research money for my Ph.D. at Wageningen University, financed by the Netherlands Research Council for Earth and Life Sciences, 1997-2001.

Service and Outreach

· Reviewer for the journals Applied Geochemistry, Biogeochemistry, Canadian Journal of Forest Research, Canadian Journal of Soil Science, Ecology, Ecology Letters, European Journal of Soil Science, Geoderma, Global Change Biology, Hydrobiologia, Journal of Plant Nutrition and Soil Science, Oecologia, Plant and Soil, Soil Science Society of America Journal, and for the NSF Ecosystems Program.

· Co-organizer of a weekly seminar for post-docs and graduate students on ‘Applying and interviewing for faculty jobs’, fall 2003.

· Co-organizer of the annual Cedar Creek meeting, summer 2003.

· Judge Buell/Braun Student Award at the Ecological Society of America meeting, 2002, 2003.

· Judge Soil Contest MESA program (program supporting educationally disadvantaged students in math and science), spring 2006.

Professional Societies

· American Geophysical Union.

· Ecological Society of America.

· Soil Science Society of America.