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Janet Ohmann
Research Forest Ecologist, Pacific Northwest Research Station, USDA Forest Service
Affiliate faculty, Forest Science Department, Oregon State University
Forestry Sciences Laboratory
3200 Jefferson Way
Corvallis, Oregon 97331
541-750-7487
Janet.Ohmann@oregonstate.edu |
Ph.D., Forest Ecology, Oregon State University, Corvallis, OR
MF, Forest Ecology, Duke University, Durham, NC
BA, Botany, Duke University, Durham, NC
Current research projects:
- Understanding the role of environment and disturbance in regional gradients of plant community composition and diversity.
- Predictive mapping of forest composition and structure with direct gradient analysis and nearest neighbor imputation (the Gradient Nearest Neighbor method) ( www.fsl.orst.edu/clams/gnn )
- Mapping forest fuels and fire risk in three contrasting ecoregions using the Gradient Nearest Neighbor method.
- Regional assessments of vegetation biodiversity and conservation planning in large, multi-ownership regions.
- Regional variability and dynamics of large dead wood.
- DecAID, the decayed wood advisor for managing snags, partially dead trees, and down wood for biodiversity in forests of Washington and Oregon . ( wwwnotes.fs.fed.us:81/pnw/DecAID/DecAID.nsf ).
Selected Publications:
- Kerns, B.K., and J.L. Ohmann. 2004. Evaluation and prediction of shrub cover in coastal Oregon forests. Ecological Indicators 4:83-98.
- Mellen, K, B.G. Marcot, J.L. Ohmann, K.L. Waddell, E.A. Willhite, B.B. Hostetler, S.A. Livingston, and C. Ogden. 2002. DecAID: a decaying wood advisory model for Oregon and Washington . In: Laudenslayer, W.F., Jr., P.J. Shea, B.E. Valentine, C.P. Weatherspoon, and T.E. Lisle, tech. coords. Proceedings of the symposium on the ecology and management of dead wood in western forests. 1999 November 2-4; Reno , NV . Gen. Tech. Rep. PSW-GTR-181; p. 527-533.
- Ohmann, J.L., and M.J. Gregory. 2002. Predictive mapping of forest composition and structure with direct gradient analysis and nearest neighbor imputation in coastal Oregon , USA . Canadian Journal of Forest Research 32:725-741.
- Ohmann, J.L.; W.C. McComb, and A.A. Zumrawi. 1994. Snag abundance for cavity-nesting birds on nonfederal forest lands in Oregon and Washington . Wildlife Society Bulletin 22:607-620.
- Ohmann, J.L., and T.A. Spies. 1998. Regional gradient analysis and spatial pattern of woody plant communities of Oregon forests. Ecological Monographs 68:151-182.
- Ohmann, J.L., and K.L. Waddell. 2002. Regional patterns of dead wood in forested habitats of Oregon and Washington . In: Laudenslayer, W.F., Jr., P.J. Shea, B.E. Valentine, C.P. Weatherspoon, and T.E. Lisle, tech. coords. Proceedings of the symposium on the ecology and management of dead wood in western forests. 1999 November 2-4; Reno , NV . Gen. Tech. Rep. PSW-GTR-181; p. 535-560.
- Sinton, D.S., J.A. Jones, J.L. Ohmann, and F.J. Swanson. 2000. Windthrow disturbance, forest composition and structure in the Bull Run basin, Oregon . Ecology 81:2539-2556.
- Waring, R.H., N.C. Coops, J.L. Ohmann, and D.A. Sarr. 2002. Interpreting woody plant richness from seasonal ratios of photosynthesis. Ecology 83:2964-2970.
- Wimberly, M.C., and J.L. Ohmann. 2004. A multi-scale assessment of human and environmental constraints on forest land cover change on the Oregon (USA) coast range. Landscape Ecology 19:631-646.
- Wimberly, M.C., J.L. Ohmann, K.B. Pierce, M.J. Gregory, and J.S. Fried. 2003. A multivariate approach to mapping forest vegetation and fuels using GIS databases, satellite imagery, and forest inventory plots. Proceedings of the Second International Wildland Fire Ecology and Fire Management Congress. 16-20 November 2003; Orlando, FL. American Meteorological Society. ( ams.confex.com/ams/FIRE2003/techprogram/paper_65758.htm )
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