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.
Many of Oregon’s 800 species of native bees live in forests. Scientists, however, are just beginning to learn about their populations, their roles in forest ecosystems and how forests support them.
This publication is a guide for protecting, conserving, selecting, maintaining, removing, and replacing trees on development sites in the Pacific Northwest.