Publications and Products

Publications
Daugherty, PJ and JS Fried. In Press. Jointly optimizing selection of fuel treatments and siting of biomass facilities for landscape-scale fire hazard reduction. INFOR: Information Systems and Operational Research: 45(1).

Fried, JS, JK Gilless and J Spero. 2006. Analyzing initial attack on wildland fires using stochastic simulation. International Journal of Wildland Fire: 15(1):137-146.

Fried, JS, G Christensen, D Weyermann, RJ Barbour, R Fight, B Hiserote, and G Pinjuv. 2005. Modeling opportunities and feasibility of siting wood-fired electrical generating facilities to facilitate landscape-scale fuel treatment with FIA BioSum. In: Bevers, M; Barrett, TM, comps. Systems Analysis in Forest Resources: Proceedings of the 2003 Symposium: October 7-9, Stevenson, WA. PNW-GTR-656. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, pp. 195-204..

Fried, JS, MS Torn and E Mills. 2004. The impact of climate change on wildfire severity: a regional forecast for Northern California. Climatic Change: 64:169-191.

Grossmann, EB and DJ Mladenoff. In Press. Open woodland and savanna decline in a mixed-disturbance landscape (1938 to 1998) in the Northwest Wisconsin (USA) Sand Plain. Landscape Ecology.

Haight, RG, VC Radeloff, JS Fried and SI Stewart. In Press. Optimizing Initial-Attack Force with a Standard-Response Siting Model. INFOR: Information Systems and Operational Research: 45(1).

Hammer, RB, VC Radeloff, JS Fried and SI Stewart. 2007. Wildland-urban interface growth during the 1990s in California, Oregon, and Washington. International Journal of Wildland Fire: 16:255-265.

Hemstrom, MA, J Merzenich, J Ohmann and R Singleton. 2006. Integrating natural disturbances and management activities to examine risks and opportunities in the Central Oregon Landscape Analysis. Advances in Threat Assessment Conference Proceedings: Boulder, CO July 18-20, 2006; USDA Forest Service Southern Research Station. [Download]

Kerns, BK and JL Ohmann. 2004. Evaluation and prediction of shrub cover in coastal Oregon forests. Ecological Indicators: 4:83-98. [Download]

May, HK and JS Conery. 2003. FOREST: A System for Developing and Evaluating Ecosystem Simulation Models. Proceedings from Summer Computer Simulation Conference: Montreal, Quebec; July 2003. [Download]

Nonaka, E, TA Spies, MC Wimberly and JL Ohmann. 2007. Historical range of variability in live and dead wood biomass: a regional-scale simulation study. Canadian Journal of Forest Research: 37: 2349-2364. [Download]

Ohmann, JL, MJ Gregory, and TA Spies. 2007. Influence of environment, disturbance, and ownership on forest composition and structure of coastal Oregon. Ecological Applications: 17:18-33. [Download]

Ohmann, JL, and MJ 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. [Download]

Ohmann, JL and TA Spies. 1998. Regional gradient analysis and spatial pattern of woody plant communities of Oregon forests. Ecological Monographs: 68:151-182. [Download]

Pierce, K, K Brewer and JL Ohmann. In Press. Moderate resolution data and Gradient Nearest Neighbor imputation for regional-national risk assessment. Advances in Threat Assessment Conference Proceedings: Boulder, CO July 18-20, 2006; USDA Forest Service Southern Research Station.

Pierce, K and JL Ohmann. 2005. Gradient nearest neighbor imputation for mapping forest attributes and variability. Proceedings: In Quantitative Techniques for Deriving National-Scale Data: Fort Collins, CO, Forest Health Technology Enterprise Team.

Pierce, KB, T Lookingbill and DL Urban. 2005. A simple method for estimating potential relative radiation (PRR) for landscape-scale vegetation analysis. Landscape Ecology: 20:137-147.

Urban, D, S Goslee, K Pierce and T Lookingbill. 2002. Extending community ecology to landscapes. Ecoscience: 9:200-212.

Vogt, CA, G Winter and JS Fried. 2005. Predicting homeowners' approval of fuel management at the wildland-urban interface using the Theory of Reasoned Action. Society and Natural Resources: 18(4):337-354.

Wimberly, MC, and JL 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. [Download]

Wimberly, MC, JL Ohmann, KB Pierce Jr., MJ Gregory, and JS 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: Orlando, FL; 16-20 November 2003. American Meteorological Society. [Download]

Presentations
Grossmann, E, J Ohmann, J Kagan, K Pierce, H May and M Gregory. 2007. Models for ecological systems map building: random forest and gradient nearest neighbor. Which one works best?. National Gap Analysis Program Conference: Asheville, NC September 10-13, 2007. [Download]

Posters
Gregory, MJ, and JL Ohmann. 2004. Spatial modeling of regional vegetation using field plots and geospatial information: a software framework for the Gradient Nearest Neighbor method. US Regional Association of the International Association of Landscape Ecology Annual Symposium: Software and Modeling Demonstration and Swap Meet; Las Vegas, NV; April 2004. [Download]

Ohmann, JL, MJ Gregory, KB Pierce Jr., MC Wimberly and JS Fried. 2005. Mapping forest vegetation and fuels with Gradient Nearest Neighbor imputation in three western ecoregions. JFSP Annual Meeting: San Diego, CA. [Download]

Pierce, KB Jr., JL Ohmann, MJ Gregory, MC Wimberly, and JS Fried. 2004. Mapping forests of the Pacific Northwest: species, structure and uncertainty. Annual Ecological Society of America Meeting: Portland, OR; August 2004. [Download]

Reports
Christensen, G, J Fried and S Campbell (tech eds.). In Press. California’s forest resources, 2001-2005, Volumes 1 and 2. PNW-GTR: Portland, OR: U.S. Forest Service, Pacific Northwest Research Station.

Fried, JS, JK Gilless, WJ Riley, TJ Moody, C Simon de Blas, K Hayhoe, M Moritz, S Stephens, and MS Torn. 2006. Predicting the effect of climate change on wildfire severity and outcomes in California: a preliminary analysis. White paper CEC_500-2005-196-SF: prepared for the California Energy Commission’s Governor’s Science Report and posted here.

Ohmann, JL, MC Wimberly, JS Fried, KB Pierce Jr., and MJ Gregory. 2005. A novel approach to regional fuel mapping: linking inventory plots with satellite imagery and GIS databases using the Gradient Nearest Neighbor method. Final report to the Governing Board, Joint Fire Science Program: Project 01-1-4-09. [Download]

Ohmann, JL and KL Waddell. 2002. Regional patterns of dead wood in forested habitats of Oregon and Washington. In: Laudenslayer, WF Jr., PJ Shea, BE Valentine, CP Weatherspoon, TE 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. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture;535-560. [Download]

Wimberly, MC, CD Avery and M Reilly. 2005. Methods for deriving fuel loadings from forest inventory plot data to support regional mapping of forest vegetation and fuels. Appendix 2 of the JFSP Final Report: Project 01-1-4-09. [Download]

Theses
Grossmann, EB. 2006. Post-settlement changes in the Northwest Wisconsin Sand Plain: Vegetation, soil and the landscape mosaic. Doctoral Thesis: University of Wisconsin-Madison.

Grossmann, EB. 2000. Prescribed fire in Eastern Oregon ponderosa pine forests: relationships between soil fertility and ecology. Master's Thesis: Oregon State University.

Pierce, KB. 2002. Scaling interactions between landscapes and demography. Doctoral Thesis: University Program in Ecology, Duke University.

Websites
Mellen K, BG Marcot, JL Ohmann, K Waddell, SA Livingston, EA Willhite, BB Hostetler, C Ogden and T Dreisbach. 2006. DecAID, the Decayed Wood Advisor for managing snags, partially dead trees, and down wood for biodiversity in forests of Washington and Oregon. http://wwwnotes.fs.fed.us:81/pnw/DecAID/DecAID.nsf: Version 2.0. January 2006.

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