Willamette Valley Ponderosa Pine

The Willamette Valley Ponderosa Pine is a variant of the Ponderosa Pine native to the Willamette Valley in Oregon. It is adapted for Western Oregon's wet winter and dry summer.^{[citation needed]}

History[]

The Willamette Valley ponderosa variant only grows on the valley floor, unlike the Douglas-fir, which grows on hillsides, and the wood is softer and easier to mill than the native hardwoods.^[1] Because of this, when early settlers used wood from the trees to build homes and cleared land for agriculture, the variant's population was "decimated".^[1] Prior to restoration efforts, the pine survived only in scattered stands between Hillsboro and Cottage Grove.^[1] The Lewis's woodpecker and the slender-billed nuthatch (a subspecies of the white-breasted nuthatch) nest in the tree and rely on it for food–their populations were reduced along with that of the pine.^[1]

References[]

External links[]

• The Nature of Cedar Mill: Willamette Valley Ponderosa Pine
• Ponderosa Returns to the Willamette Valley
• Bark Beetles and Willamette Valley Ponderosa Pine: Populations, Geographical Distribution and Management Recommendations

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