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Education &
Experience:
- B.S. Forestry, Michigan State University, East Lansing, 1978
- M.S. Forestry, Michigan State University, 1980
- Ph.D. Forest Science, Oregon State University, Corvallis,
1985
- Research and Teaching Assistant, Department of Forestry,
Michigan State University, 1978-1980
- President's Fellow and Research Assistant, Department of
Forest Science, Oregon State University, 1981-1984
- Research Associate, Department of Forest Science, Oregon
State University, 1984-1985
- Senior Research Scientist, General Motors Research Lab,
Department of Environmental Science, Warren, Michigan, 1985-1988
- Instructor, Department of Science, Oakland Community
College, Auburn Hills, Michigan, 1988
- Adjunct Assistant Professor, School of Natural Resources,
University of Michigan, Ann Arbor, 1988
- Post-Doctoral Fellow, Department of Biology, University of
Utah, Salt Lake City, 1988-1989
- Assistant Professor, Associate Professor,
Professor, Department of
Forest Resources, University of Idaho, 1990-present
Specialty Areas of Interest:
- Tree physiology
- Ecosystem ecology
- Stable isotope ratios
Current University of Idaho Courses:
- Ecology - UGrad
- Stable Isotope Theory and Methods - Grad
- Current Literature in Forest Ecology/Tree Physiology
- Grad
Recent and Current Research:
- Water-use efficiency differences among provenances of
western conifers
- Differences in water sources among tree species in northern
Idaho
- Scaling of root respiration estimates to partition root
respiration from soil respiration
- Use of carbon isotopes in tree rings to detect physiological
responses to increasing CO2
- Comparison of leaf-area estimation techniques
- Comparison of carbon isotope ratios & stomatal density
of modern and fossil forest trees
- Parameterizing models of forest carbon and water fluxes
Recent Publications:
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Marshall, J.D., J. Blair, D.P.C. Peters, G. Okin, A. Rango, M. Williams.
2008. Predicting and understanding ecosystem responses to climate change
at continental scales. Frontiers in Ecology and Environment 6:273-280.
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Kayler, Z.E., E.W. Sulzman, J.D. Marshall, A. Mix, W.D. Rugh, and B.J.
Bond. 2008. A laboratory comparison of two methods used to estimate the
isotopic composition of soil δ13CO2 efflux at
steady state. Rapid Comm. Mass Spectrom 22:2533-2538.
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Koeniger, P., J.A. Hubbart, T. Link, J.D. Marshall. 2008. Isotopic
variation of snowcover and streamflow in response to changes in canopy
structure in a snow-dominated mountain catchment. Hydrological Processes
2:557-566.
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Cernusak, L., J. Aranda, J.D. Marshall, and K. Winter. 2007. Large
variation in whole-plant water-use efficiency among tropical tree
species. New Phytologist 173:294-305.
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Duursma, R.A., J.D. Marshall, A.P. Robinson, and R.E. Pangle. 2007.
Description and test of a simple process-based model of forest growth
for mixed-species stands. Ecological Modelling 203:297-311.
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Roth, J.D., J.D. Marshall, D.L. Murray, D.M. Nickerson, and T.D. Steury.
2007. Geographical gradients in diet affect population dynamics of
Canada lynx. Ecology 88:2736-2743.
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Cernusak, L.A., K. Winter, J. Aranda, B.L. Turner, and J.D. Marshall.
2007. Transpiration efficiency of a tropical pioneer tree (Ficus
insipida) in relation to soil fertility. Journal of Experimental Botany
58:3549-3566.
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Marshall, J.D., J.R. Brooks, and K. Lajtha. 2007. Sources of variation
in the stable isotope composition of plants. Pages 22-60 in: (R.
Michener and K. Lajtha, eds.) Stable isotopes in ecology and
environmental science, 2nd ed. Blackwell Publishing, Malden, MA.
- Duursma, R.A., and J.D. Marshall. 2006. Vertical canopy gradients in
delta13C correspond with leaf nitrogen
content in a mixed-species conifer forest. Trees: Structure and
Function 20:496-506.
- Johnson, L.R., B. Lippke, J.D. Marshall, and J.
Comnick. 2006. Life cycle impacts of forest resource activities in the
Pacific Northwest and Southeast United States. Wood and Fiber Science
37(5):30-47.
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Comstedt, D., B. Boström, J. D. Marshall, A. Holm, M. Slaney, S. Linder,
and A. Ekblad. 2006. Effects of elevated atmospheric carbon dioxide and
temperature on soil respiration in a boreal forest using
d13C
as a labeling tool. Ecosystems 9:1-12.
- Marshall, J.D., and R.A. Monserud. 2006. Co-occurring species differ in tree-ring d18O trends. Tree
Physiology 26:1055-1066.
- Harlow, B.A., A.P. Robinson, J.D. Marshall. 2006. A
multi-species comparison of d13C from whole wood, extractive-free wood,
and holocellulose. Tree Physiology 26:767-774.
- Duursma, R.A., Marshall, J.D., Nippert, J.B.,
Chambers, C.C., and A.P. Robinson. 2005. Estimating leaf-level
parameters for ecosystem process models: a study in mixed conifer
canopies on complex terrain. Tree Physiology 25:1347-1359.
- Robinson, A.P., R.A. Duursma, and J.D. Marshall. 2005. A regression-based equivalence test for model validation:
shifting the burden of proof. Tree Physiology 25:903-913.
- Harlow, B.A., R.A. Duursma, and J.D. Marshall.
2005. Leaf longevity of western redcedar (Thuja plicata J. Donn ex D.
Don) increases with depth in the canopy. Tree Physiol. 25:635-640.
- Ocheltree, T.W., and J.D. Marshall. 2004. Apparent
respiratory discrimination is correlated with growth rate in the shoot
apex of sunflower (Helianthus annuus). J. Exp. Bot. 55:2599-2605.
- Nippert, J., R.A. Duursma, J.D. Marshall. 2004. Seasonal variation in photosynthetic capacity (Fv/Fm) of montane
conifers. Funct. Ecol. 18:876-886.
- Chambers, C., J.D. Marshall, R.J.Danehy. 2004. Nitrogen uptake and turnover in riparian woody vegetation. Oecologia
140:125-134.
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