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Publication Information

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Title: Descriptive statistics of tree crown condition in the North Central United States

Author: Randolph, KaDonna C.; Morin, Randall S.; Steinman, Jim;

Date: 2010

Source: Gen. Tech. Rep. SRS–125. Asheville, NC: U.S. Department of Agriculture Forest Service, Southern Research Station. 21 p.

Publication Series: General Technical Report (GTR)

Description: The U.S. Forest Service Forest Inventory and Analysis (FIA) Program uses visual assessments of tree crown condition to monitor changes and trends in forest health. This report describes four crown condition indicators (crown dieback, crown density, foliage transparency, and sapling crown vigor) measured in Illinois, Indiana, Michigan, Minnesota, Missouri, and Wisconsin between 1996 and 1999. Descriptive statistics are presented by species and FIA species group. Inter- and intra-species variation, crown condition stressors, and statistical issues that should be considered when analyzing and interpreting the crown condition data are discussed.

Keywords: Crown density, crown dieback, FIA, foliage transparency, forest health, sapling vigor

Publication Notes:

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
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Citation:


Randolph, KaDonna C.; Morin, Randall S.; Steinman, Jim 2010. Descriptive statistics of tree crown condition in the North Central United States. Gen. Tech. Rep. SRS–125. Asheville, NC: U.S. Department of Agriculture Forest Service, Southern Research Station. 21 p.

 


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