Ancient Forest Act of 1990

[AI summary unavailable — showing source text] Ancient Forest Act of 1990 - Directs the Secretaries of Agriculture and the Interior to designate lands for a Pacific Northwest Ancient Forest Reserve System, consisting of Federal and public lands in Oregon, Washington, and Northern California. Includes within the criteria for the System the need for lands for the viability and recovery of the northern spotted owl population. Requires the Ancient Forest to include at least 50 percent of old growth forest ecosystems found in the Douglas Fir Region that are outside of congressionally designated areas (wilderness areas and wild and scenic rivers which prohibit commercial timber sales). Prohibits timber harvesting on lands designated as Ancient Forests except for the minimum necessary for the protection of old growth forest ecosystems. Requires that any timber harvest in the old growth forest ecosystems outside of Ancient Forests but within the Douglas Fir Region be managed using the specified techniques of a New Forestry Program. Requires the Secretaries to establish an Ancient Forest Research Program on old growth forest ecosystems. Directs the President to establish a permanent Ancient Forest Scientific Committee to report to the S…