The first Tree School Online session debuted with 300 registered participants. Since then, the live classes have rolled out with anywhere from 50 to 100 participants.
This publication is a guide for protecting, conserving, selecting, maintaining, removing, and replacing trees on development sites in the Pacific Northwest.
Sagebrush ecosystems in the northern Great Basin are threatened by encroaching juniper and invasive annual grasses. This guide presents a simplified framework to help land managers assess and monitor these threats at...
Dustin Johnson, Matt Cahill, Chad Boyd, Vanessa Schroeder, Lee Foster, Angela Sitz, Jay Kerby, Tony J. Svejcar, Jackie Cupples |
Sep 2019 |
Extension Catalog publicationPeer reviewed (Orange level)
Discusses options for managing major insect pests and diseases of conifers in Oregon forests: bark beetles, wood borers, and ambrosia beetles; defoliators; aphids, adelgids, and scale insects; terminal and branch ...
Paul T. Oester, David C. Shaw, Gregory M. Filip |
Jan 2023 |
Extension Catalog publicationPeer reviewed (Orange level)