Lenny is an extension forester with the HTIRC. He provides programs and publications in a variety of media directed toward improving the regeneration and sustainable management of high quality hardwood trees and forests in the Central Hardwood Region. Learn More
Liz is the Engagement Specialist for HTIRC, Executive Director of the Indiana Forestry & Woodland Owners Association, and the Executive Director of the National Walnut Council. Learn More
james.mckenna@usda.gov or jrmckenn@purdue.edu
Jim works as part of a team of scientists, professors, and students in the Department of Forestry and Natural Resources, along with other researchers at Purdue, the U.S. Forest Service. Learn More
Dr. Paudel is working on the sensitivity of carbon-hydraulic traits of hardwood forest to drought and warming events
I am interested in improving tree and forest quality and health using both plant breeding and IPM strategies.
Acclimating commercial tree seedling root system architecture to drought. Learn More.
james.c.warren@usda.gov or jcwarren@purdue.edu
Prior to coming to the HTIRC, Jim assisted in running the daily operations of the Minnesota Tree Improvement Cooperative at the University of Minnesota’s Cloquet Forestry Center for 17 years. His primary duties entailed designing, implementing, and measuring field trials, assisting with orchard management, conducting tree breeding and grafting, and collecting data. Learn More