LEMMA Team Detail

Jimmy Kagan Director Oregon Natural Heritage Program Information Program Manager Institute for Natural Resources Oregon State University

Educational Background

B.A. Environmental Science and Botany, The Evergreen State College 1973
B.S. Biology with teaching certificate, Portland State University 1976
M.S. Botany and Plant Ecology, University of Oregon 1980

Research Interests

Biodiversity planning and management

Technical Reports

	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, 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.
	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.

Presentations

	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.

Posters

	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.
	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.
	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.