Geology and ecology of eastern Oregon forests A basic understanding of the geology, soils and climate of eastern Oregon, and of the way the forests have developed over time, will help you …

Traveling across the state, you soon discover that Oregon is home to a wide range of trees. There are 30 native coniferous species and 37 native species of broadleaf trees. Oregon varies …

Willamette Valley ponderosa pine and grand ˜r trees. PONDEROSA PINE FORESTS cover big areas of eastern Oregon because ponderosa pine trees prefer dry summers and cold, snowy …

“Trees of Oregon’s Forests.” This interactive tree guide on the OFRI website includes photos and information on Oregon’s most common forest species. Available at …

Ponderosa pines are the second most common tree in Oregon and are dominant in the eastern part of the state. They are easily identifiable by long needles that grow in bundles of three. The …

Major forest types of eastern Oregon Most private forestlands of eastern Oregon are one of four forest types: lodgepole pine, ponderosa pine, warm mixed-conifer, or cool mixed-conifer. In …

Differences in eastern Oregon. The law also requires successful reforestation in eastern Oregon; however, natural seeding reduces much of the need for hand planting. Tree nurseries.

Oregon’s forests are home to an array of tree, plant and wildlife species. Some forests are dominated by tree species such as Douglas-fir that have adapted to rainy climates. In the …

In eastern Oregon, because the tree species are different, landowners may use selective harvest methods such as thinning, and allow trees to naturally regenerate.

Incense-cedar is often found on drier sites in the southern Willamette Valley and continue into the mountains of southwestern and eastern Oregon. It is a prolific seeder and has a great shade …