 | Daugherty, PJ, JS Fried. 2007. Jointly optimizing selection of fuel treatments and siting of biomass facilities for landscape-scale fire hazard reduction. Information Systems and Operational Research 45(1):17-30. |
| Fried, JS, J Gilless, J Spero. 2006. Analyzing initial attack on wildland fires using stochastic simulation. International Journal of Wildland Fire 15(1):137-146. |
| Fried, JS, MS Torn, E Mills. 2004. The impact of climate change on wildfire severity: a regional forecast for Northern California. Climatic Change 64(1-2):169-191. |
 | Gray, AN, HSJ Zald, RA Kern, M North. 2005. Stand conditions associated with tree regeneration in Sierran mixed-conifer forests. Forest Science 51:198-210. |
| Gregory, MJ, A Kimerling, D White, K Sahr. 2008. A comparison of intercell metrics on discrete global grid systems. Computers, Environment and Urban Systems 32(3):188-203. |
| Grossmann, EB, DJ Mladenoff. 2008. Farms, fires, and forestry: Disturbance legacies in the soils of the Northwest Wisconsin (USA) Sand Plain. Forest Ecology and Management 256(4):827-836. |
| Grossmann, EB, DJ Mladenoff. 2007. Open woodland and savanna decline in a mixed-disturbance landscape (1938 to 1998) in the Northwest Wisconsin (USA) Sand Plain. Landscape Ecology 22(1):43-55. |
| Haight, RG, JS Fried. 2007. Deploying wildland fire suppression resources with a scenario-based standard response model. Information Systems and Operational Research 45(1):31-39. |
| Hammer, RB, VC Radeloff, JS Fried, SI Stewart. 2007. Wildland-urban interface growth during the 1990s in California, Oregon, and Washington. International Journal of Wildland Fire 16:255-265. |
| Hansen, AJ, TA Spies, FJ Swanson, JL Ohmann. 1991. Conserving biodiversity in managed forests. BioScience 41:382-392. |
| Hurteau, M, HSJ Zald, M North. 2007. Species-specific response to climate reconstruction in upper-elevation mixed-conifer forests of the western Sierra Nevada, California, USA. Canadian Journal of Forest Research 37:1681-1691. |
| Kennedy, RSH, TA Spies, MJ Gregory. 2008. Relationships of dead wood patterns with biophysical characteristics and ownership according to scale in Coastal Oregon, USA. Landscape Ecology 23(1):55-68. |
| Kerns, BK, JL Ohmann. 2004. Evaluation and prediction of shrub cover in coastal Oregon forests. Ecological Indicators 4(2):83-98. |
| Marcot, BG, G Gunderson, KL Mellen, JL Ohmann. 2004. DecAID Advisor: A tool for managing snags, down wood and wood decay in PNW forests. Western Forester, Society of American Foresters 49(4):12-13. |
| Marcot, BG, JL Ohmann, KL Mellen-McLean, KW Waddell. 2010. Synthesis of regional wildlife and vegetation field studies to guide management of standing and down dead trees. Forest Science 56(4):391-404. |
| Meyer, MD, M North, AN Gray, HSJ Zald. 2007. Influence of soil thickness on stand characteristics in a Sierra Nevada mixed-conifer forest. Plant Soil 294:113-123. |
| Nonaka, E, TA Spies, MC Wimberly, JL Ohmann. 2007. Historical range of variability in live and dead wood biomass: a regional-scale simulation study. Canadian Journal of Forest Research 37(11):2349-2364. |
| North, M, J Innes, HSJ Zald. 2007. Comparison of thinning and prescribed fire restoration treatments to Sierran mixed-conifer historic conditions. Canadian Journal of Forest Research 37:331-342. |
| Ohmann, JL, 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(4):725-741. |
| Ohmann, JL, MJ Gregory, EB Henderson, HM Roberts. 2011. Mapping gradients of community composition with nearest-neighbour imputation: extending plot data for landscape analysis. Journal of Vegetation Science 22(4):660-676. |
| Ohmann, JL, MJ Gregory, HM Roberts, WB Cohen, RE Kennedy, Z Yang. 2012. Mapping change of older forest with nearest-neighbor imputation and Landsat time-series. Forest Ecology and Management 272:13-25. |
| Ohmann, JL, MJ Gregory, TA Spies. 2007. Influence of environment, disturbance, and ownership on forest vegetation of Coastal Oregon. Ecological Applications 17(1):18-33. |
| Ohmann, JL, TA Spies. 1998. Regional gradient analysis and spatial pattern of woody plant communities of Oregon forests. Ecological Monographs 68(2):151-182. |
| Ohmann, JL, WC McComb, AA Zumrawi. 1994. Snag abundance for primary cavity-nesting birds on nonfederal forest lands in Oregon and Washington. Wildlife Society Bulletin 22:607-620. |
| Pierce Jr., KB, JL Ohmann, MC Wimberly, MJ Gregory, JS Fried. 2009. Mapping wildland fuels and forest structure for land management: a comparison of nearest-neighbor imputation and other methods. Canadian Journal of Forest Research 39(10):1901-1916. |
| Pierce Jr., KB, TA Lookingbill, DL Urban. 2005. A simple method for estimating potential relative radiation (PRR) for landscape-scale vegetation analysis. Landscape Ecology 20(2):137-147. |
| Sinton, DS, JA Jones, JL Ohmann, FJ Swanson. 2000. Windthrow disturbance, forest composition, and structure in the Bull Run Basin, Oregon. Ecology 81(9):2539-2556. |
| Spies, TA, KN Johnson, KM Burnett, JL Ohmann, BC McComb, GH Reeves, P Bettinger, JD Kline, B Garber-Yonts. 2007. Cumulative ecological and socioeconomic effects of forest policies in coastal Oregon. Ecological Applications 17(1):5-17. |
| Turner, DP, S Ollinger, ML Smith, O Krankina, MJ Gregory. 2004. Scaling net primary production to a MODIS footprint in support of Earth Observing System product validation. International Journal of Remote Sensing 25(10):1961-1979. |
| Turner, DP, S Urbanski, D Bremer, SC Wofsy, T Meyers, ST Gower, MJ Gregory. 2003. A cross-biome comparison of light use efficiency for gross primary production. Global Change Biology 9(3):383-395. |
| Turner, DP, ST Gower, WB Cohen, MJ Gregory, TK Maiersperger. 2002. Effects of spatial variability in light use efficiency on satellite-based NPP monitoring. Remote Sensing of Environment 80(3):397-405. |
| Urban, DL, S Goslee, KB Pierce Jr., TA Lookingbill. 2002. Extending community ecology to landscapes. Ecoscience 9(2):200-212. |
| Václavík, T, A Kanaskie, E Hansen, JL Ohmann, R Meentemeyer. 2010. Predicting potential and actual distribution of sudden oak death in Oregon: Prioritizing landscape contexts for early dectection and eradication of disease outbreaks. Forest Ecology and Management 260:1026-1035. |
| Vogt, CA, G Winter, 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. |
| Waring, RH, NC Coops, JL Ohmann, DA Sarr. 2002. Interpreting woody plant richness from seasonal ratios of photosynthesis. Ecology 83(11):2964-2970. |
| Wilmking, M, GP Juday, VA Barber, HSJ Zald. 2004. Recent climate warming forces contrasting growth responses of white spruce at treeline in Alaska through temperature thresholds. Global Change Biology 10:1724-1736. |
| Wimberly, MC, 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(6):631-646. |
| Zald, HSJ. 2009. Extent and spatial patterns of grass bald land cover change (1948-2000), Oregon Coast Range, USA. Plant Ecology 201:517-529. |
| Zald, HSJ, AN Gray, M North, RA Kern. 2008. Initial tree regeneration responses to fire and thinning treatments in a Sierra Nevada mixed-conifer forest, USA. Forest Ecology and Management 256:168-179. |
| Brown, M. 2010. Getting in the game: Out on the landscape without leaving your desk with GNNViz. Joint Fire Science Program Brief Issue 94 (February 2010). |
| Christensen, G, S Campbell, JS Fried. 2008. California's forest resources, 2001-2005: five-year Forest Inventory and Analysis report. PNW-GTR-763; Portland, OR: U.S. Forest Service, Pacific Northwest Research Station. |
| Garman, SL, SA Acker, JL Ohmann, TA Spies. 1995. Asymptotic height-diameter equations for twenty-four tree species in western Oregon. Research Contribution 10. Corvallis, OR: Oregon State University, College of Forestry, Forest Research Laboratory; 22 p. |
| Grossmann, EB, J Kagan, JL Ohmann, HK May, MJ Gregory, C Tobalske. 2008. Final report on land cover mapping methods, map zones 2 and 7, Pacific Northwest ReGAP. Institute for Natural Resources, Oregon State University, Corvallis, OR. |
| Grossmann, EB, JL Ohmann, J Kagan, HK May, MJ Gregory. 2010. Mapping ecological systems with a random forest model: tradeoffs between errors and bias. USGS Gap Analysis Bulletin, No. 17; February 2010; pp 16-22. |
| Grossmann, EB, JL Ohmann, MJ Gregory, HK May. 2009. Nationwide Forest Imputation Study (NaFIS) - Western Team final
report. Final Report of the Nationwide Forest Imputation Study (NaFIS). |
| Kagan, J, JL Ohmann, MJ Gregory, C Tobalske. 2008. Land cover map for map zones 8 and 9 developed from SAGEMAP, GNN, and SWReGAP: A pilot for NWGAP. USGS Gap Analysis Bulletin, No. 15; February 2008; pp 15-19. |
| Kagan, J, JL Ohmann, MJ Gregory, C Tobalske, JC Hak, JS Fried. 2006. Final report on land cover mapping methods, map zones 8 and 9, Pacific Northwest ReGAP. Institute for Natural Resources, Oregon State University, Corvallis, OR. |
| Mellen, KL, BG Marcot, JL Ohmann, KW Waddell, EA Willhite, BB Hostetler, SA Livingston, C Ogden. 2002. DecAID: A decaying wood advisory model for Oregon and Washington. USDA Forest Service General Techical Report PSW-GTR-181. |
| Ohmann, JL. 1992. Wildlife habitats of the north coast
of California: New techniques for
extensive forest inventory. USDA Forest Service Research Paper PNW-RP-440. |
| Ohmann, JL, KW 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. |
| Ohmann, JL, MC Wimberly, JS Fried, KB Pierce Jr., 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. |
| Ohmann, JL, MJ Gregory, TM Holt. 2007. Innovative, 3-D, interactive, and immersive techniques for visualizing, querying, and understanding regional maps of forest vegetation, fuels, and fire risk. Final Report to the Governing Board, Joint Fire Science Program, Project 05-4-1-12. |
| Pflugmacher, D, WB Cohen, JL Ohmann, RE Kennedy. 2011. Mapping current conditions and modeling the dynamic responses of riparian vegetation and salmon habitat in Oregon. Grant Report Mapping Component: OWEB # 208-8007-5781. |
| Spies, TA, KN Johnson, P Bettinger, WC McComb, JL Ohmann, GH Reeves. 2002. Challenges to integrating wood production, biodiversity, and other socioeconomic values at broad scales: an example from coastal Oregon. In Johnson, AC, RW Haynes, RA Monserud; eds. Gen. Tech. Rep. PNW-GTR-563. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station; p. 13-25. |
| Wimberly, MC, C Avery, 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. |
| Zald, HSJ. 2002. Physiographic and reproductive components of treeline response to climatic variation in the Alaska Range. Global Glimpses: Center for Global Change & Arctic System Research 10(1): 7-9. |
| Fried, JS, G Christensen, D Weyermann, RJ Barbour, R Fight, B Hiserote, 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. |
| 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. |
| Hemstrom, M, J Merzenich, JL Ohmann, 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; USDA Forest Service Southern Research Station; Boulder, CO July 18-20, 2006; Published online at: http://www.forestencyclopedia.net/p/p5/p3389/p3390. |
| Holt, TM, MJ Gregory, JL Ohmann. 2007. GNNViz User Guide. Appendix 1 of the JFSP Final Report; Project 05-4-1-12. |
| May, HK, JS Conery. 2003. FOREST: A System for Developing and Evaluating Ecosystem Simulation Models. Proceedings from Summer Computer Simulation Conference: Montreal, Quebec; July 2003. |
| Mellen, KL, BG Marcot, JL Ohmann, KW Waddell, SA Livingston, EA Willhite, BB Hostetler, C Odgen, 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://www.fs.fed.us/r6/nr/wildlife/decaid/; Version 2.0. January 2006. |
| Moeur, M, JL Ohmann, M Hemstrom, T Burcsu, J Merzenich. 2009. Projecting watershed condition with Interagency Mapping and Assessment Project (IMAP) vegetation data and landscape models. In Bayer, J.M., and Schei, J.L., eds., PNAMP Special Publication: Remote Sensing Applications for Aquatic Resource Monitoring, Pacific Northwest Aquatic Monitoring Partnership, Cook, Washington, chap. 11, p. 83-90. |
| Ohmann, JL. 1996. Regional gradient analysis and spatial pattern of woody plant communities in Oregon. Corvallis, OR: Oregon State University; Ph.D. dissertation; 196 p.. |
| Ohmann, JL, WB Cohen. 1993. Inventories of stand structure: an ecosystem perspective. In Lund, HG, E Landis, T Atterbury; eds. Stand inventory technologies 1992: proceedings of an international multiple resource conference. 1992 September 13-18; Portland, OR. American Society for Photogrammetry and Remote Sensing; 193-203. |
| | Pierce Jr., KB. 2002. Scaling interactions between landscapes and demography. Doctoral Thesis; University Program in Ecology, Duke University. |
| Pierce Jr., KB, JL Ohmann. 2005. Gradient nearest neighbor imputation for mapping forest attributes and variability. Quantitative Techniques for Deriving National-Scale Data; Westminster, CO July 26-28, 2005; USFS General Technical Report (FHTET-2005-12). |
| Pierce Jr., KB, K Brewer, JL Ohmann. 2006. Moderate resolution data and Gradient Nearest Neighbor imputation for regional-national risk assessment. Advances in Threat Assessment Conference Proceedings; USDA Forest Service Southern Research Station; Boulder, CO July 18-20, 2006; Published online at: http://www.forestencyclopedia.net/p/p5/p3389/p3443. |
| Rose, CL, BG Marcot, KL Mellen, JL Ohmann, KW Waddell, DL Lindley, B Schreiber. 2001. Decaying wood in Pacific Northwest forests: concepts and tools for habitat management. In Johnson, DH, TA O'Neil; manag. dirs. Wildlife-Habitat Relationships in Oregon and Washington. Chapter 24. Corvallis, OR: OSU Press; 580-612. |
| Spies, TA, DE Hibbs, JL Ohmann, GH Reeves, RJ Pabst, FJ Swanson, C Whitlock, JA Jones, BC Wemple, LA Perendes, BA Schrader. 2002. The ecological basis of forest ecosystem management in the Oregon Coast Range. In Hobbs, SD, JP Hayes, RL Johnson, GH Reeves, TA Spies, JC Tappeiner II, GE Wells; eds. Forest and Stream Management in the Oregon Coast Range. Corvallis, OR: Oregon State University Press; 31-67. |
| Spies, TA, GH Reeves, KM Burnett, WC McComb, KN Johnson, G Grant, JL Ohmann, SL Garman, P Bettinger. 2002. Assessing the ecological consequences of forest policies in a multi-ownership province in Oregon. In Liu, J, WW Taylor; eds. Integrating Landscape Ecology into Natural Resource Management. Cambridge Univ. Press. |
| Václavík, T, A Kanaskie, E Goheen, JL Ohmann, E Hansen, R Meentemeyer. 2010. Mapping the risk of sudden oak death in Oregon: prioritizing locations for early detection and eradication. In: Frankel, Susan J.; Kliejunas, John T.; Palmieri, Katharine M. Proceedings of the Sudden Oak Death Fourth Science Symposium. Gen. Tech. Rep. PSW-GTR-229. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. pp. 126-132. |
| Wimberly, MC, JL Ohmann, KB Pierce Jr., MJ Gregory, 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. |
| Zald, HSJ. 2010. Tree invasion of subalpine parkland at Jefferson Park: Multi-scale controls of a complex landscape. Northwest Oregon Ecology Group Newsletter 9:7. |
| | Fried, JS, JL Ohmann, KB Pierce Jr., MC Wimberly, MJ Gregory. 2005. A mid-scale approach to mapping forest fuel and fire hazards at the wildland-urban interface by imputation and modeling of inventory plot data. Seventh Annual Forest Inventory and Analysis Science Symposium: Portland, ME; October 2005. |
| | Gregory, MJ. 2006. Mapping current vegetation in the Pacific Coast states with Gradient Nearest Neighbor imputation. Department of Forest Science Remote Sensing Seminar: Corvallis, OR; October 2006. |
 | Gregory, MJ, A Kimerling, D White, K Sahr. 2004. Evaluating desirable geometric characteristics of discrete global grid systems : revisiting the Goodchild criteria. Second International Conference on Discrete Global Grids: Ashland, OR; October 2004. |
| Gregory, MJ, A Kimerling, D White, K Sahr. 2000. Comparing intercell distance and cell wall midpoint criteria for discrete global grid systems. First International Conference on Discrete Global Grids: Santa Barbara, CA; March 2000. |
| Gregory, MJ, EB Grossmann, JL Ohmann, HM Roberts. 2010. The Nationwide Forest Imputation Study (NaFIS): Challenges, results and recommendations from the western United States. Forest Inventory and Analysis Science Symposium: Knoxville, TN; October 2010. |
| | Gregory, MJ, JL Ohmann. 2000. Predictive mapping of forest composition and structure using the Gradient Nearest Neighbor Method. Willamette Valley GIS Users Group: Corvallis, OR; November 2000. |
| Gregory, MJ, JL Ohmann, BC McComb. 2006. Sensitivity of wildlife habitat capability models to spatial resolution of underlying mapped vegetation data. 2006 Nearest Neighbors Workshop - Meeting in the Middle: Minneapolis, MN; August 2006. |
| Gregory, MJ, JL Ohmann, EB Grossmann, HK May. 2008. Spatial scaling effects of inventory reference data on nearest neighbor model predictions. Forest Inventory and Analysis Symposium: Park City, UT; October 2008. |
| Gregory, MJ, JL Ohmann, HK May, EB Grossmann, KB Pierce Jr., TM Holt, JS Fried. 2008. Recent advances and applications of nearest neighbors methods for regional-scale forest vegetation modeling. Department of Forest Science Seminar: Corvallis, OR; April 2008. |
| Gregory, MJ, JL Ohmann, HM Roberts, HSJ Zald, EB Henderson. 2013. Recent advances and applications of nearest neighbors methods for regional-scale forest vegetation mapping in the Pacific Northwest, USA. Landcare Research Seminar: Lincoln, New Zealand; February 2013. |
| Gregory, MJ, JL Ohmann, TM Holt. 2008. GNNViz: Immersive and collaborative visualization for landscapes. The Nature Conservancy Climate Change Workshop: Portland, OR; April 2008. |
| Gregory, MJ, JL Ohmann, TM Holt. 2008. Seeing data with GIS: from paper maps to immersive visualizations. Kids Keynote address to GIS Day: Corvallis, OR; November 2008. |
| Gregory, MJ, KB Pierce Jr., JL Ohmann. 2005. Gradient Nearest Neighbor imputation for local scale basal area mapping: FIA 2005 Symposium interpolation contest. Seventh Annual Forest Inventory and Analysis Science Symposium: Portland, ME; October 2005. |
| Grossmann, EB, JL Ohmann, J Kagan, KB Pierce Jr., HK May, MJ Gregory. 2008. Random forests and nearest neighbors: Methods for mapping the West Cascades of Oregon. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Madison, WI; April 2008. |
| Grossmann, EB, JL Ohmann, J Kagan, KB Pierce Jr., HK May, MJ 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 2007. |
| Grossmann, EB, JL Ohmann, MJ Gregory, HK May. 2009. Gradients or hierarchies? Which assumptions make a better map?. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Snowbird, UT; April 2009. |
| Grossmann, EB, JL Ohmann, MJ Gregory, HK May. 2009. Regional vegetation mapping: Making sense of the methods. Workshop on remote sensing for land managers: Redding, CA; June 2009. |
| Grossmann, EB, JL Ohmann, MJ Gregory, HK May. 2009. Bringing our best data into conservation and restoration planning. California Klamath-Siskiyou Fire Learning Network Workshop: Weaverville, CA; July 2009. |
| Grossmann, EB, JL Ohmann, MJ Gregory, HK May. 2009. Regional vegetation - methods behind the maps: Gradient Nearest Neighbor and random forest modeling. Information Sharing Workshop, Bureau of Land Management: Salem, OR; April 2009. |
| Grossmann, EB, JL Ohmann, MJ Gregory, HK May. 2008. Is the World a Gradient, or a Hierarchy of Thresholds? Imputing Forest Composition and Structure Variables in the Pacific Northwest. Forest Inventory and Analysis Symposium: Park City, UT; October 2008. |
| Henderson, EB, JL Ohmann, MJ Gregory, HM Roberts, HSJ Zald. 2012. All for one or one for all? Mapping many species individually versus simultaneously with random forest. Ecological Society of America Annual Conference: Portland, OR; August 2012. |
| | May, HK. 2005. Database development for the Port-Orford-cedar resistance breeding program. Port-Orford-cedar Technical Team Meeting: Hoopa, CA; June 2005. |
| | Moeur, M, JL Ohmann, M Hemstrom, T Burcsu, J Merzenich. 2008. The Interagency Mapping and Assessment Project (IMAP): integrating existing vegetation maps and models of vegetation dynamics for watershed assessment.. ASPRS 2008 Annual Conference: Portland, OR; May 2008. |
| Ohmann, JL. 2005. Gradient Nearest Neighbor imputation maps for landscape analysis in the Pacific Northwest. National Gap Analysis Conference and Interagency Symposium: Reno, NV; December 2005. |
| Ohmann, JL, JS Fried, KB Pierce Jr., MJ Gregory, MC Wimberly. 2006. Mapping forest vegetation and fuels with Gradient Nearest Neighbor imputation. Yosemite Fire Science Symposium: Yosemite National Park, CA; May 2006. |
| Ohmann, JL, KB Pierce Jr., EB Grossmann, MJ Gregory, HK May, TM Holt. 2007. Current Vegetation Mapping in Western Oregon. Presented at: USFS Klamath Falls Ranger District: Klamath Falls, OR; June 2007. |
| Ohmann, JL, KB Pierce Jr., EB Grossmann, MJ Gregory, HK May, TM Holt. 2006. Mapping current vegetation in the Pacific Coast States with GNN, CART, and other tricks. Workshop and field tour with NF, ODF, TNC, and R6: Sycan Marsh Research Station, OR; September 2006. |
| | Ohmann, JL, KB Pierce Jr., MJ Gregory, JS Fried. 2005. Gradient Nearest Neighbor imputation based on FIA plots - useful tool or lying with maps?. Seminar at Forestry Sciences Lab: Portland, OR; August 2005. |
| | Ohmann, JL, KB Pierce Jr., MJ Gregory, MC Wimberly, JS Fried. 2004. A novel approach to regional fuel mapping: linking inventory plots with satellite imagery and GIS databases using the Gradient Nearest Neighbor method. Joint Fire Science Program Principal Investigator Workshop: Phoenix, AZ; April 2004. |
| | Ohmann, JL, KB Pierce Jr., MJ Gregory, MC Wimberly, JS Fried. 2003. A novel approach to regional fuel mapping: linking inventory plots with satellite imagery and GIS databases using the Gradient Nearest Neighbor method. Joint Fire Science Program Principal Investigator Workshop: Phoenix, AZ; March 2003. |
| | Ohmann, JL, KB Pierce Jr., MJ Gregory, S Danskin, MC Wimberly, JS Fried. 2003. Mapping live and dead forest fuels at the ecoregion scale in coastal Oregon with Landsat imagery and forest inventory plots. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Banff, AB; April 2003. |
| Ohmann, JL, M Moeur, M Hemstrom, T Burcsu, J Merzenich, MJ Gregory, HK May, EB Grossmann. 2008. Integrating forest inventory data, vegetation maps, and models of vegetation dynamics to support landscape analysis and planning: the IMAP story. Forest Inventory and Analysis Symposium: Park City, UT; October 2008. |
| | Ohmann, JL, MJ Gregory. 2002. Predictive mapping of forest composition and structure with direct gradient analysis and nearest-neighbor imputation (the Gradient Nearest Neighbor method). Focus session at the Joint Meeting of Fourth Annual Forest Inventory and Analysis Science Symposium and the Southern Forest Mensurationists: New Orleans, LA; November 2002. |
| Ohmann, JL, MJ Gregory, HK May, EB Grossmann. 2010. Nearest neighbor mapping of vegetation gradients for landscape analysis and planning. 53rd International Symposium of the International Association for Vegetation Science: Ensenada, Mexico; April 2010. |
| | Ohmann, JL, MJ Gregory, HK May, EB Grossmann. 2008. Gradient Nearest Neighbor (GNN) maps of forest vegetation: accuracy assessment and uncertainty. Interagency Mapping and Assessment Project (IMAP) Users' Group: Portland, OR; February 2008. |
| Ohmann, JL, MJ Gregory, HM Roberts, RE Kennedy, WB Cohen, Z Yang, M Moeur. 2011. Spatial monitoring of older forest and habitat for the Northwest Forest Plan. National FIA Users Group Meeting: Sacramento, CA; March 2011. |
| Ohmann, JL, MJ Gregory, HM Roberts, RE Kennedy, WB Cohen, Z Yang, M Moeur. 2010. Spatial monitoring of late-successional forest habitat over large regions with nearest-neighbor imputation. XXIII International Union of Forest Research Organizations (IUFRO): Seoul, South Korea; August 2010. |
| Ohmann, JL, MJ Gregory, HM Roberts, RE Kennedy, Z Yang, J Braaten, SL Powell, WB Cohen, V Kane, J Lutz. 2012. Mapping change in live and dead forest biomass with Landsat time-series, remeasured plots, and nearest-neighbor imputation. ForestSat 2012: Corvallis, OR; September 2012. |
| Ohmann, JL, MJ Gregory, HM Roberts, RE Kennedy, Z Yang, M Moeur, WB Cohen. 2011. Landscape context for density management: implications of land ownership and ecological gradients. Conference on state-of-the-art in west-side forest management: Corvallis, OR; October 2011. |
| | Ohmann, JL, MJ Gregory, JE Gray. 1999. Linking satellite, plot, and environmental data to map patterns of species composition across Pacific Northwest forests. Special session at annual meeting of the American Society of Photogrammetry and Remote Sensing: Portland, OR; May 1999. |
| Ohmann, JL, MJ Gregory, KB Pierce Jr., HK May, EB Grossmann. 2007. Seeing the forest and the trees: harnessing GIS to map forests of the Pacific Northwest. Keynote address to GIS Day: Corvallis, OR; November 2007. |
| Ohmann, JL, MJ Gregory, KB Pierce Jr., TM Holt, HK May. 2006. Mapping forest species and plant communities with Gradient Nearest Neighbor imputation. 2006 Nearest Neighbors Workshop - Meeting in the Middle: Minneapolis, MN; August 2006. |
| | Ohmann, JL, MJ Gregory, TA Spies. 2003. Linking field plot, satellite imagery, and environmental data to assess regional patterns of vegetation biodiversity. Annual meeting of the Society of American Foresters: Buffalo, NY; October 2003. |
| | Ohmann, JL, MJ Gregory, TA Spies. 2003. Predictive vegetation mapping and current vegetation biodiversity in coastal Oregon. Botany and Plant Pathology Departmental seminar: Corvallis, OR; February 2003. |
| | Ohmann, JL, TA Spies, MJ Gregory, KN Johnson. 2002. Vegetation biodiversity in coastal Oregon forests. A Multi-ownership Assessment of Forests and Watersheds of the Oregon Coast Range. Presented as part of an all-day symposium and workshop of invited stakeholders and landowners. Organized by the Coastal Landscape Analysis and Modeling Study (CLAMS): Corvallis, OR; June 2002. |
| Pierce Jr., KB, JL Ohmann. 2006. Variance of similar neighbors compared to random imputation. 2006 Nearest Neighbors Workshop - Meeting in the Middle: Minneapolis, MN; August 2006. |
| | Pierce Jr., KB, JL Ohmann, MJ Gregory. 2004. Assessing spatial uncertainty in landscape vegetation maps created with imputation procedures. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Las Vegas, NV; April 2004. |
| | Pierce Jr., KB, JL Ohmann, MJ Gregory, JS Fried. 2005. Regional vegetation mapping in support of risk assessment. Workshop on regional risk assessment methodologies. Organized by Western Wildlands Environmental Threat Assessment Center, USDA Forest Service: Portland, OR; September 2005. |
| | Pierce Jr., KB, JL Ohmann, MJ Gregory, JS Fried. 2005. Gradient Nearest Neighbor imputation mapping in support of risk assessment. Workshop for evaluating quantitative techniques for deriving national scale data for assessing and mapping risk; organized by Forest Health Technology Enterprise Team, Forest Health Protection, USDA Forest Service: Fort Collins, CO; July 2005. |
| | Pierce Jr., KB, MC Wimberly, JL Ohmann, MJ Gregory, JS Fried. 2005. What is the probability that I-30 runs through Fort Worth? Incorporating uncertainty into map use. Annual meeting of the Society of American Foresters: Fort Worth, TX; October 2005. |
| Powell, SL, RE Kennedy, JL Ohmann, WB Cohen, MJ Gregory, HM Roberts, V Kane, J Lutz. 2012. Comparison of biomass allometric approaches for regional scale carbon mapping. ForestSat 2012: Corvallis, OR; September 2012. |
| | Powell, SL, RE Kennedy, SP Healey, KB Pierce Jr., WB Cohen, GG Moisen, JL Ohmann. 2008. Comparison of methods to model aboveground biomass for derivation of 20+ year trajectories. NASA Carbon Cycle and Ecosystems Joint Science Workshop: College Park, MD; April 2008. |
| | Wimberly, MC, C Avery, JL Ohmann, KB Pierce Jr., MJ Gregory, JS Fried. 2004. Influences of landscape structure, drought, and wind on crown fire spread in forest landscapes. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Las Vegas, NV; April 2004. |
| | Wimberly, MC, JL Ohmann, KB Pierce Jr., MJ Gregory, JS Fried. 2003. A multivariate approach to mapping forest vegetation and fuels using GIS databases, satellite imagery, and forest inventory plots. Fifth Symposium on Fire and Forest Meteorology and 2nd International Wildland Fire Ecology and Fire Management Congress: Orlando, FL; November 2003. |
| Zald, HSJ. 2011. Tree Cores, and Snow: Modeling fine-scale tree invasion into a subalpine meadow landscape under future snow scenarios, Oregon Cascades, USA. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Portland, OR; April 2011. |
| Zald, HSJ. 2010. Measuring and mapping impacts of climate change and disturbance on forest ecosystems. Department of Biology, Grand Valley State University: Allendale, MI; November 2010. |
| Zald, HSJ. 2010. Climate change and disturbances in western forest ecosystems: Impacts and management. Division of Forestry and Natural Resources, West Virginia University: Morgantown, WV; September 2010. |
| Zald, HSJ. 2010. Multiscale climatic, topographic, and biotic controls of tree invasion in a subalpine parkland landscape, Jefferson Park, Oregon Cascades, USA. H.J. Andrews Experimental Forest, MTNCLIM 2010: Blue River, OR; June 2010. |
| Zald, HSJ. 2010. Climate Change and forests of the Pacific Northwest: Potential impacts and management considerations. Biology Department, Linfield College: McMinnville, OR; May 2010. |
| Zald, HSJ. 2008. Extent and spatial patterns of grass bald land cover change (1948-2000), Oregon Coast Range, USA. Oregon State University, Department of Forest Science 2nd Annual Graduate Student Symposium: Corvallis, OR; May 2008. |
| | Zald, HSJ. 2002. Influence of physiographic and climatic variation on treeline dynamics in the eastern Alaska Range. Michigan Academy of Arts Science and Letters Annual Meeting, Central Michigan University: Mount Pleasant, MI; March 2002. |
| Zald, HSJ, AN Gray. 2004. Tree regeneration strategies in response to burning and thinning restoration treatments in a Sierran mixed-conifer forest. Ecological Society of America, 89th Annual Meeting: Portland, OR; August 2004. |
| | Zald, HSJ, AN Gray, M Huso, D Gatziolis. 2009. Seedling establishment in a subalpine parkland landscape: topographic, seed source, climatic, and disturbance controls. Ecological Society of America, 94th Annual Meeting: Albuquerque, NM; August 2009. |
| Zald, HSJ, AN Gray, M North, RA Kern. 2007. Tree regeneration responses to fire and thinning in a Sierran mixed conifer forest. Oregon State University, Department of Forest Science 1st Annual Graduate Student Symposium: Corvallis, OR; May 2007. |
| Zald, HSJ, JL Ohmann, HM Roberts, M Gregory, EB Henderson, R McGaughey, RE Kennedy, J Braaten, M Simpson. 2013. Incorporating LiDAR and Landsat disturbance history into nearest neighbor mapping of vegetation composition and structure. USFS Region 6 office for Monitoring Inventory Mapping and LiDAR (MIML) working group: Portland, OR; February 2013. |
| Davidson, A, T Miewald, JL Ohmann, J Kagan, EB Grossmann, T Sajwaj, J Aycrigg, S Lennartz, S McDonough. 2007. Methods and status of land cover mapping for the Northwest Gap Analysis Project. National GAP Analysis Program Conference: Asheville, NC; September 2007. |
| | Fried, JS, JL Ohmann, MC Wimberly, KB Pierce Jr., MJ Gregory. 2006. Tapping the forest inventory for spatially continuous estimates of fuels and fire potential: the GNNFire approach. First Fire Behavior and Fuels Conference: Fuels Management - how to measure success: Portland, OR; March 2006. |
| | Gray, AN, HSJ Zald, M North. 2002. Soil moisture and tree seedling distributions in a mature mixed-conifer forest. Sierra Nevada Science Symposium: Kings Beach, CA; October 2002. |
| Gregory, MJ, JL Ohmann. 2004. Spatial modeling of regional vegetation using field plots and geospatial information: a software framework for the Gradient Nearest Neighbor method. College of Forestry Spatial Data Management Group: Corvallis, OR; April 2004. |
| Gregory, MJ, 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 Meeting: Las Vegas, NV; April 2004. |
| Gregory, MJ, JL Ohmann, HM Roberts, R Riemann. 2011. Nearest neighbor vegetation maps for landscape analysis and conservation planning: are they good enough, and how will I know?. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Portland, OR; April 2011. |
| Gregory, MJ, JL Ohmann, TM Holt. 2008. An application of computer gaming technology to visualize, query, and understand forest landscapes. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Madison, WI; April 2008. |
| Grossmann, EB, JL Ohmann, HK May, MJ Gregory. 2009. Mapping mountain hemlock and pinpointing ponderosa pine: Imputation mapping species distributions in Western Oregon. North American Forest Ecology Workshop: Logan, UT; June 2009. |
| Grossmann, EB, JL Ohmann, J Kagan, KB Pierce Jr., HK May, MJ Gregory. 2007. A tale of two techniques: Gradient Nearest Neighbor and random forest for mapping ecological systems in Oregon's Western Cascades. North American Forest Ecology Workshop: Vancouver, BC; June 2007. |
| Grossmann, EB, JL Ohmann, J Kagan, MJ Gregory, HK May. 2008. Context-dependent hierarchy of plant community predictors from the Oregon Coast Range to the eastern slopes of the Cascade Mountains. Ecological Society of America Annual Meeting: Milwaukee, WI; August 2008. |
| Hagar, J, P Haggerty, J Kertis, JL Ohmann. 2009. Oregon white oak: An ecosystem on the brink - Where's the science?. 8th Biennial USGS Pacific Northwest Science Conference: Portland, OR; March 2009. |
| | Hicks, WT, ME Harmon, JL Ohmann, MJ Gregory, B McCune, SD Berryman, E Martin, L Geiser. 2003. Mapping the abundance and activity of two symbiotic nitrogen fixers in western Oregon. North American Forest Ecology Workshop: Corvallis, OR; June 2003. |
| | Hudak, AT, MJ Gregory, JL Ohmann, M Moeur, MA Lefsky, WB Cohen. 2001. Comparison of two methods for mapping forest structure from inventory plot and environmental data in Western Oregon. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Tempe, AZ; April 2001. |
| Hudak, AT, MJ Gregory, JL Ohmann, M Moeur, MA Lefsky, WB Cohen. 2000. Predictive mapping of tree species basal areas from forest inventory and environmental data: a comparison of two models. Ecological Society of America Annual Meeting: Snowbird, UT; August 2000. |
| Nonaka, E, TA Spies, MC Wimberly, JL Ohmann. 2004. Historical range of variability (HRV) in biomass dynamics and stand fire history: a simulation modeling approach. Annual Meeting of the Ecological Society of America: Portland, OR; August 2004. |
| | Ohmann, JL. 2002. Snag dynamics in Pacific Northwest forests. Forest Health Monitoring National Meeting: New Orleans, LA; February 2002. |
| | Ohmann, JL, KW Waddell. 2000. Regional patterns of dead wood in forests of Oregon and Washington, USA. Annual All Scientists Meeting of the Long Term Ecological Research Program: Snowbird, UT; August 2000. |
| | Ohmann, JL, KW Waddell. 2000. Regional patterns of dead wood in forests of Oregon and Washington, USA. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Fort Lauderdale, FL; April 2000. |
| | Ohmann, JL, MJ Gregory. 2001. How does spatial resolution affect Gradient Nearest Neighbor vegetation maps?. Symposium: A landmark assessment of Oregon's forest sustainability: Corvallis, OR; October 2001. |
| | Ohmann, JL, MJ Gregory. 2001. How does spatial resolution affect Gradient Nearest Neighbor vegetation maps?. US Regional Association of the International Association of Landscape Ecology: Tempe, AZ; April 2001. |
| | Ohmann, JL, MJ Gregory. 2001. Predictive mapping of forest composition and structure using direct gradient analysis and nearest-neighbor imputation. North American Forest Ecology Workshop: Duluth, MN; June 2001. |
| | Ohmann, JL, MJ Gregory. 2001. Predictive mapping of forest composition and structure using direct gradient analysis and nearest-neighbor imputation. Symposium: A landmark assessment of Oregon's forest sustainability: Corvallis, OR; October 2001. |
| | Ohmann, JL, MJ Gregory. 2000. Predictive mapping of forest composition and structure using direct gradient analysis and nearest-neighbor imputation. Ecological Society of America Annual Meeting: Snowbird, UT; August 2000. |
| | Ohmann, JL, MJ Gregory. 1999. A Nearest Neighbor Method for Mapping Forest Composition in the Oregon Coastal Province. Oregon's Forests at the Millennium: What Might the Future Hold?: Corvallis, OR; September 1999. |
| Ohmann, JL, MJ Gregory, HK May, EB Grossmann, RE Kennedy, WB Cohen, Z Yang, E Pfaff, M Moeur. 2009. Spatial monitoring of disturbance and late-succesional forest dynamics in the Pacific Northwest. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Snowbird, UT; April 2009. |
| Ohmann, JL, MJ Gregory, HM Roberts, RE Kennedy, WB Cohen, Z Yang, M Moeur, M Fiorella. 2012. Mapping change of older forest with permanent plots, Landsat time series, and nearest-neighbor imputation. Ecological Society of America Annual Conference: Portland, OR; August 2012. |
| Ohmann, JL, MJ Gregory, HM Roberts, RE Kennedy, WB Cohen, Z Yang, M Moeur, M Fiorella. 2011. Spatial monitoring of forest landscape dynamics with permanent plots, Landsat time-series and nearest-neighbor imputation. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Portland, OR; April 2011. |
| Ohmann, JL, MJ Gregory, JD Kline, RJ Alig, HK May, EB Grossmann. 2008. Implications of social and ecological gradients for conservation planning in large, multi-ownership, forested landscapes. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Madison, WI; April 2008. |
| | Ohmann, JL, MJ Gregory, KB Pierce Jr., MC Wimberly, JS Fried. 2005. A novel approach to regional fuel mapping: linking inventory plots with satellite imagery and GIS databases using the Gradient Nearest Neighbor method. Poster presented at Joint Fire Science Program Principal Investigator Workshop: San Diego, CA; November 2005. |
| Ohmann, JL, MJ Gregory, KB Pierce Jr., MC Wimberly, JS Fried. 2005. Mapping forest vegetation and fuels with Gradient Nearest Neighbor imputation in three western ecoregions. JFSP Annual Meeting: San Diego, CA; October 2005. |
| Ohmann, JL, TA Spies, MJ Gregory, KN Johnson. 2003. Distribution of vegetation biodiversity across a continuum of land ownership and management emphasis in coastal Oregon. North American Forest Ecology Workshop: Corvallis, OR; June 2003. |
| Ohmann, JL, TA Spies, MJ Gregory, KN Johnson. 2002. Distribution of vegetation biodiversity across a continuum of land ownership and management emphasis in coastal Oregon. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Lincoln, NE; April 2002. |
| Pierce Jr., KB, JL Ohmann, MJ Gregory, MC Wimberly, JS Fried. 2004. Mapping forests of the Pacific Northwest: structure, species and uncertainty. Ecological Society of America Annual Meeting: Portland, OR; August 2004. |
| Roberts, HM, JL Ohmann, MJ Gregory, EB Grossmann. 2010. Nearest-neighbor forest vegetation maps from FIA plots and geospatial data for landscape analysis and planning in the Pacific Northwest (and beyond). Forest Inventory and Analysis Symposium: Knoxville, TN; October 2010. |
| Roberts, HM, JL Ohmann, MJ Gregory, EB Henderson. 2012. Gradient nearest neighbor forest vegetation maps for landscape analysis and planning. ForestSat 2012: Corvallis, OR; September 2012. |
| Roberts, HM, JL Ohmann, MJ Gregory, EB Henderson. 2011. Gradient nearest neighbor forest vegetation maps for landscape analysis and planning. US Regional Association of the International Association of Landscape Ecology Annual Meeting: Portland, OR; April 2011. |
| | Turner, DP, MJ Gregory, BE Law, PM Anthoni, PE Thornton. 1999. Validating modeled gross primary production and evapotranspiration using eddy covariance flux measurements. Ecological Society of America Annual Meeting: Spokane, WA; August 1999. |
| | Turner, DP, S Ollinger, ML Smith, O Krankina, MJ Gregory. 2002. Scaling net primary production to a MODIS footprint in support of Earth Observing System product validation. Ecological Society of America Annual Meeting: Tucson, AZ; August 2002. |
| | Turner, DP, ST Gower, SC Wofsy, AK Knapp, T Meyers, MJ Gregory. 2001. A cross-biome comparison of vegetation light use efficiency. Global Change Open Science Conference: Amsterdam, Netherlands; June 2001. |
| | Turner, DP, ST Gower, WB Cohen, MJ Gregory, TK Maiersperger. 2000. Spatial heterogeneity in vegetation light use efficiency over an agricultural landscape in central Illinois. Ecological Society of America Annual Meeting: Snowbird, UT; August 2000. |
| | Wimberly, MC, C Avery, JL Ohmann, KB Pierce Jr., MJ Gregory, JS Fried. 2004. Landscape connectivity and the potential for catastrophic fire in forested landscapes. Ecological Society of America Annual Meeting: Portland, OR; August 2004. |
| Wimberly, MC, JL Ohmann. 2001. Spatial patterns of forest landscape change in the Oregon coast range between 1936 and 1996. Annual Symposium of the U.S. Regional Association of the International Association of Landscape Ecology: Tempe, AZ; April 2001. |
| Zald, HSJ, AN Gray, M North. 2005. Tree regeneration in response to prescribed fire, silvicultural thinning, and microsite conditions in a Sierran mixed conifer forest. Northwest Science Association Annual Meeting: Corvallis, OR; March 2005. |
| Zald, HSJ, JL Ohmann, HM Roberts, R McGaughey, MJ Gregory, RE Kennedy. 2012. Influence of inventory plot and Landsat imagery positional accuracies on nearest-neighbor (NN) imputation maps of vegetation composition and structure. ForestSat 2012: Corvallis, OR; September 2012. |
| Zald, HSJ, TA Spies, D Gatziolis. 2009. Seedling establishment in a subalpine parkland landscape: topographic, seed source, climatic, and disturbance controls. H.J. Andrews Experimental Forest Long-Term Ecological Research, 10th Annual Symposium: Corvallis, OR; April 2009. |
