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    Author(s): Susan J. CrockerGary J. Brand; Dick C. Little
    Date: 2007
    Source: Resour. Bull. NRS-13. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 36 p.
    Publication Series: Resource Bulletin (RB)
    Station: Northern Research Station
    PDF: View PDF  (3.16 MB)

    Description

    Results of the completed 2005 Illinois annual inventory show an estimated 4.5 million acres of forest land that supports 7.6 billion cubic feet (ft3) of total net live-tree volume. Since 1948, timberland area has steadily increased and now represents 96 percent of total forest land. Growing-stock volume on timberland has risen to an estimated 6.8 billion ft3. Ten percent of live-tree volume on timberland is in cull trees. Live-tree aboveground biomass is 210.5 million dry tons. Net growth of growing stock increased by an average of 327 million ft3/yr. Growing stock was removed at an average of 60.6 million ft3/yr. Average annual mortality of growing stock was 86.6 million ft3/yr. Oak wilt, gypsy moth, emerald ash borer, Dutch elm disease, Asian longhorned beetle, and drought were among Illinois' forest health concerns.

    Publication Notes

    • Check the Northern Research Station web site to request a printed copy of this publication.
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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.

    Citation

    Crocker, Susan J.; Brand, Gary J.; Little, Dick C. 2007. Illinois'' forest resources, 2005. Resour. Bull. NRS-13. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 36 p.

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    Keywords

    annual inventory, forest land, timberland, forest type, volume, biomass, growth, removals, mortality, forest health, Illinois

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https://www.fs.usda.gov/treesearch/pubs/19657