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Ponderosa Pine Basal Area and the Kaibab Squirrel

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Mark-recapture methods were used to determine an index to the minimum number of Kaibab squirrels for nine trapsites. Squirrel numbers were correlated with forest characteristics, including number, basal area, and volume per acre of five tree species, and numbers of squirrel nests per trapsite. Most consistently associated with the Kaibab squirrel index was basal area of ponderosa pine, including all ponderosa pine and ponderosa pine greater than 6 inches dbh. A conceptual model for assessing quality of squirrel habitat was formulated by ranking basal area per acre of all ponderosa pine and number of squirrel nests per trapsite.

Document Type: Journal Article

Affiliations: Associate Professor, The University of Arizona, Tucson

Publication date: May 1, 1975

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  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.

    2015 Impact Factor: 1.476
    Ranking: 22 of 66 in forestry

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