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Filters: Keyword is demographic study [Clear All Filters]

2011

Davis RJ, Dugger KM, Mohoric S, Evers L, Aney WC. Northwest Forest Plan -- The First 15 Years: Status and Trends of Northern Spotted Owl Populations and Habitats. Portland, OR: US Department of Agriculture, Forest Service, Pacific Northwest Research Station; 2011:147. Available at: http://www.fs.fed.us/pnw/pubs/pnw_gtr850.pdf.

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