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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
- Forest Ecosystem Processes - UGrad
- 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:
- Duursma, R.A., and J.D. Marshall. In press.
Vertical canopy gradients in delta13C correspond with leaf nitrogen
content in a mixed-species conifer forest. Trees:Structure and
Function.
- Johnson, L.R., B. Lippke, J.D. Marshall, and J.
Comnick. Life cycle impacts of forest resource activities in the
Pacific Northwest and Southeast United States. Wood and Fiber Science
37(5):37-46.
- Marshall, J.D., and R.A. Monserud. In press.
Co-occurring species differ in tree-ring d18O trends. In press. Tree
Physiology.
- 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.
- Duursma, R.A., J.D. Marshall, A.P. Robinson. 2003.
Leaf area index inferred from solar beam transmission in mixed conifer
forests on complex terrain. Ag. For. Meteorol. 118:221-236.
- Nippert, J.B., and J.D. Marshall. 2003. Sources of
variation in ecophysiological parameters in Douglas-fir and grand fir
canopies. Tree Physiol. 23:591-601.
- Marshall, J.D., and R.A. Monserud. 2003. Erratum:
Foliage height influences specific leaf area of three conifer species.
Can. J. For. Res. 33:1591.
- Marshall, J.D., and R.A. Monserud. 2003. Vertical
trends in specific leaf area of three conifer species. Can. J. For.
Res. 33:164-170.
- Papanicolaou, A., Fox, J., and Marshall, J.
2003. Sediment sources fingerprinting in the Palouse River
watershed, USA. International Journal of Sediment Research 18:278.
- McDowell, N., Barnard, H., Bond, B.J., Hinckley, T.,
Hubbard, R., Ishii, H., Kostner B., Meinzer, F.C., Marshall, J.D.,
Magnani, F., Phillips, N., Ryan, M.G., & Whitehead, D. 2002. The
relationship between tree height and leaf area:sapwood area ratio.
Oecologia 132:12-20.
- Coble, D.W., K.S. Milner, and J.D. Marshall. 2002.
Aspect differences in above- and below-ground carbon allocation: a
Montana case-study. Env. Pollut. 116: S149-S155.
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