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Filtering by: Subject Port Orford cedar -- Roots -- Growth Subject Phytophthora lateralis -- Rogue River-Siskiyou National Forest (Or. and Calif.)

Road networks, timber harvest, and the spread of Phytophthora root rot infestations of Port-Orford-cedar in southwest Oregon

Creator:

Clark, William C.

Abstract:

Phytophthora lateralis is the causal agent of cedar root rot, a fatal forest pathogen whose principal host is Chamaecyparis lawsoniana (Port-Orford-cedar), a predominantly riparian-restricted endemic tree species of ecological, economical, and cultural importance to coastal Oregon and California. Local scale distribution of P. lateralis is thought to be associated with...

Resource Type:

Masters Thesis