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Picture of Researcher

Steve Perakis

Phone: (541) 758-8786
Fax: (541) 758-8806
Primary Email:

US Geological Survey
Forest and Rangeland Ecosystem Science Center
3200 SW Jefferson Way - FSL 164
Corvallis, OR 97331

Link to Personal Web Page

Official position at address above: Research Forest Ecologist
Educational Institutions attended: BS, 1990, University of Pennsylvania
MS, 1994, University of Washington
PhD, 2000, Cornell University
Post-doc, 2001, Stanford University
Roles/Affiliations: Research Ecologist, USGS Forest and Rangeland Ecosystem Science Center
Assistant Professor, courtesy, Department of Forest Science, Oregon State University
Principal Collaborators: Soils, Biogeochemistry and Watershed folks
General Interests: Ecosystem Ecology and Biogeochemistry (terrestrial, aquatic, watershed), Comparative Studies, Stable Isotopes
Current Research Projects/Activities: HJA related studies:
1) Rate and fate 15N release from decaying fine roots (with Van Huysen, Harmon, Chen)
2) Natural abundance 15N patterns in HJA soils and watersheds (with Compton)
3) Small watershed synthesis
4) Nutrient dynamics (with Harmon)
Intersite LTER/International Activities: Fine root research is supported by NSF International Programs, in collaboration with Taiwan LTER


Kranabetter, J. Marty; McLauchlan, Kendra K.; Enders, Sara K.; Fraterrigo, Jennifer M.; Higuera, Philip E.; Morris, Jesse L.; Rastetter, Edward B.; Barnes, Rebecca; Buma, Brian; Gavin, Daniel G.; Gerhart, Laci M.; Gillson, Lindsey; Hietz, Peter; Mack, Michelle C.; McNeil, Brenden; Perakis, Steven. 2016. A Framework to Assess Biogeochemical Response to Ecosystem Disturbance Using Nutrient Partitioning Ratios. Ecosystems. 19(3): 387-395. doi: 10.1007/s10021-015-9934-1 (Pub No: 4975)
Perakis, Steven S.; Tepley, Alan J.; Compton, Jana E. 2015. Disturbance and Topography Shape Nitrogen Availability and d15N over Long-Term Forest Succession. Ecosystems 18(4): 573-588. http://dx.doi.org/10.1007/s10021-015-9847-z (Pub No: 4898)
van Huysen, Tiff L.; Harmon, Mark E.; Perakis, Steven S.; Chen, Hua. 2013. Decomposition and nitrogen dynamics of 15N-labeled leaf, root, and twig litter in temperate coniferous forests. Oecologia. 173:1563–1573, doi:10.1007/s00442-013-2706-8. (Pub No: 4832)
Sierra, C. A.; Harmon, M. E.; Thomann, E.; Perakis, S. S.; Loescher, H. W. 2011. Amplification and dampening of soil respiration by changes in temperature variability. Biogeosciences. 8: 951-961, doi:10.5194/bg-8-951-2011. (Pub No: 4722)