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<p>This document is the fourth annual report on the status of the southwestern ecological restoration at Mt. Trumbull, Arizona. The project goal is adaptive ecosystem restoration of southwestern ponderosa pine ecosystems to their pre Euro-American settlement conditions: open forest stands dominated by large, old trees above a rich, diverse understory of native grasses and wildflowers, maintained by frequent, low-intensity fires
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<br>Subjects: Ponderosa pine</div>
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Northern Arizona University</div>
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