Research-based educational materials about Natural Resources from the OSU Extension Catalog

Cover image of "Woodland Ponds: A Field Guide" publication
EM 9104
Published April 2015
Cover image of Photo Monitoring for Ranchers Technical Guide
PNW 671
Published April 2015
Image of Shrubs to Know in Pacific Northwest Forests publication
EC 1640
Published September 2013
Image of Understanding Names of Oregon Trees publication
EC 1502
Revised April 2012
EM 9037
Published March 2011
Cover image of "Land Manager's Guide to Aspen Management in Oregon" publication
EM 9005
Published September 2010
Image of Toxic Blooms in Oregon Waters publication
EC 1631
Published July 2009