Jacek Oleksyn

Research Associate
Department of Forest Resources
1530 Cleveland Avenue North
St. Paul, MN 55108
(612) 626-1205
oleks001@umn.edu

Education
M.S. Forestry (1976) Department of General Ecology, Anatomy and Physiology of Plants, Forest-Technical University, St. Petersburg (Leningrad) [Russia] Major in ecophysiology

Ph.D. Biology (1982) College of Biology and Environmental Protection, Silesian University, Katowice (Poland). Major in environmental biology

Dr. hab. Forestry (1993) College of Forestry, Agricultural University, Poznan, Poland

Research interests

Appointments
• Research Associate and a Graduate Faculty Member of Forestry, University of Minnesota, College of Food, Agriculture and Natural Resource Sciences, Department of Forest Resources, St. Paul, Minnesota, 1997- present
• Professor, Ecophysiology Lab Head, Institute of Dendrology, Polish Academy of Sciences, Kórnik (Poland), 2000- on leave of absence
• Associate Professor, Department of Ecology Head, Institute of Dendrology, Polish Academy of Sciences, Kórnik (Poland), 1996-2000
• Associate Professor, Institute of Dendrology, Polish Academy of Sciences, Kórnik (Poland), 1993-1994
• Research Associate and a Graduate Faculty Member of Forestry, University of Minnesota, College of Natural Resources, Department of Forest Resources, St. Paul, Minnesota, 1992-1993
• Visiting Scientist, School of Natural Resources, College of Agriculture and Life Sciences, University of Wisconsin, Madison, Wisconsin, 1989-1991
• Assistant Professor, Institute of Dendrology, Polish Academy of Sciences, Kórnik (Poland), 1991-1992.
• Senior Fulbright Scholar, Laboratory of Tree-Ring Res., Univ. of Arizona, Tucson, Arizona, 1988-1989
• Assistant Professor & Head of Abiotic Disease Laboratory, Department of Plant Pathology, Institute of Dendrology, Polish Academy of Sciences, Kórnik (Poland), 1981-1988

Publications

Oleksyn, J., B.D. Kloeppel, S. Lukasiewicz, P. Karolewski, P.B. Reich. 2007. Ecophysiology of Aesculus hippocastanum in degraded and restored urban sites. Polish Journal of Ecology 55:245-260. pdf

Hobbie, S.E., Reich, P.B., Oleksyn, J., Ogdahl, M., Zytkowiak, R., Hale, C., Karolewski, P. 2006. Tree species effects on decomposition and forest floor dynamics in a common garden. Ecology 87:2288-2297. pdf

Withington, J.M., Reich, P.B., Oleksyn, J., Eissenstat, D.M. 2006. Comparisons of structure and life span in roots and leaves among temperate trees. Ecological Monographs 76:381-397. pdf

Dickie, I.A., Oleksyn, J., Reich, P.B., Karolewski, P., Zytkowiak, R., Jagodzinski, A.M., Turzanska, E. 2006. Soil modification by different tree species influences the extent of seedling ectomycorrhizal infection. Mycorrhiza 16:73-79. pdf

Reich, P.B., Tjoelker, M.G., Machado, J.-L., Oleksyn, J. 2006. Universal scaling of respiratory metabolism, size and nitrogen in plants. Nature 439(7075):457-461. pdf

Reich, P.B., Oleksyn, J., Modrzynski, J., Mrozinski, P., Hobbie, S.E., Eissenstat, D.M., Chorover, J., Chadwick, O.A., Hale, C.M., Tjoelker, M.G. 2005. Linking litter calcium, earthworms and soil properties: a common garden test with 14 tree species. Ecology Letters 8:811-818. pdf

Wright I.J., Reich P.B., Westoby M., Ackerly D.D., Baruch Z., Bongers F., Cavender-Bares J., Chapin F.S., Cornelissen J.H.C., Diemer M., Flexas J., Garnier E., Groom P.K., Gulias J., Hikosaka K., Lamont B.B., Lee T., Lee W., Lusk C., Midgley J.J., Navas M-L., Niinemets Ü., Oleksyn J., Osada N., Poorter H., Poot, P., Prior L., Pyankov V.I., Roumet C., Thomas S.C., Tjoelker M.G., Veneklaas E., Villar R. 2004. The worldwide leaf economics spectrum. Nature 428(6985):821-827. pdf

Reich, P.B., Oleksyn, J. 2004. Global patterns of plant leaf N and P in relation to temperature and latitude. Proceedings of the National Academy of Sciences of the United States of America 101:11001-11006. pdf

Oleksyn, J., Reich P.B., Zytkowiak, R., Karolewski, P., Tjoelker, M.G. 2003. Nutrient conservation increases with latitude of origin in European Pinus sylvestris populations. Oecologia 136:220-135. pdf

Reich, P., I. Wright, J. Cavender-Bares, J.M. Craine, J. Oleksyn, M. Westoby, and M.B. Walters. 2003. The evolution of plant functional variation: traits, spectra and strategies. International Journal of Plant Sciences 164(3): S143–S164. pdf

Oleksyn, J., Reich, P.B., Zytkowiak, R., Karolewski, P., Tjoelker, M.G. 2002. Needle nutrients in geographically diverse Pinus sylvestris L. populations. Annals of Forest Science 59:1-18. pdf

Tjoelker, M.G., J. Oleksyn and P.B. Reich. 2001. Modeling respiration of vegetation: evidence for a general temperature-dependent Q10. Global Change Biology 7:223-230. pdf

Tjoelker, M.G., J. Oleksyn, T. Lee and P.B. Reich. 2001. Direct inhibition of leaf dark respiration by elevated CO2 is minor in 12 grassland species. New Phytologist 150:419-424. pdf

Oleksyn, J., Reich, P.B., Rachwal, L., Tjoelker, M.G., Karolewski, P. 2000. Variation in aboveground net primary production of diverse Pinus sylvestris populations. Trees 14: 415-421. pdf

Oleksyn, J., R. Zytkowiak, P. Karolewski, P.B. Reich and M.G. Tjoelker. 2000. Genetic and environmental control of seasonal carbohydrate dynamics in trees of diverse Pinus sylvestris populations. Tree Physiology 20:837-847. pdf

Oleksyn, J., P.B. Reich, W. Chalupka and M.G. Tjoelker. 1999. Differential above- and below-ground biomass accumulation of European Pinus sylvestris populations in a 12-year- old provenance experiment.  Scandinavian Journal of Forest Research 14:7-17. pdf

Tjoelker M.G., Reich P.B., Oleksyn J. 1999. Changes in leaf nitrogen and carbohydrates underlie temperature and CO2 acclimation of dark respiration in five boreal tree species. Plant, Cell and Environoment 22:767-778. pdf

Tjoelker, M.G., J. Oleksyn and P.B. Reich. 1999. Acclimation of respiration to temperature and CO2 in seedlings of boreal tree species in relation to plant size and relative growth rate. Global Change Biology 5:679-692. pdf

Tjoelker, M.G., J. Oleksyn and P.B. Reich. 1998. Seedlings of five boreal tree species differ in acclimation of net photosynthesis to elevated CO2 and temperature. Tree Physiology 18:715-726. pdf

Tjoelker, M.G., J. Oleksyn and P.B. Reich. 1998. Temperature and ontogeny mediate growth response to elevated CO2 in seedlings of five boreal tree species.  New Phytologist 140:197-210. pdf

Oleksyn, J., J. Modrzynski, M.G. Tjoelker, R. Zytkowiak, P.B. Reich and P. Karolewski. 1998. Growth and physiology of Picea abies populations from elevational transects: common garden evidence for altitudinal ecotypes and cold adaptation.  Functional Ecology 12:573-590. pdf

Oleksyn, J., M.G. Tjoelker and P.B. Reich. 1998. Adaptation to changing environment in Scots pine populations across a latitudinal gradient.  Silva Fennica 32:129-140. pdf

Reich, P.B., J. Oleksyn, and M.G. Tjoelker. 1996. Needle respiration and nitrogen concentration in Scots pine populations from a broad latitudinal range: a common garden test with field-grown trees.  Functional Ecology 10:768-776. pdf

Reich, P.B., J. Oleksyn, J. Modrzynski and M.G. Tjoelker. 1996. Evidence that longer needle retention of spruce and pine populations at high elevations and high latitudes is largely a phenotypic response.  Tree Physiology 16:643-647. pdf