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    Author(s): Gergory B. Lawrence; Mark B. David; Scott W. BaileyWalter C. Shortle
    Date: 1997
    Source: Biogeochemistry. 38: 19-39.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: View PDF  (431.75 KB)

    Description

    Long term changes in concentrations of available Ca in soils of red spruce forests have been documented, but remaining questions about the magnitude and regional extent of these changes have precluded an assessment of the current and future status of soil Ca. To address this problem, soil samples were collected in 1992-93 from 12 sites in New York, Vermont, New Hampshire, and Maine to provide additional data necessary to synthesize all available research results on soil Ca in red spruce forests. Sites were chosen to encompass the range of environmental conditions experienced by red spruce. Concentrations of exchangeable Ca ranged from 2.13 to 21.6 cmolc kg-1.

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    Citation

    Lawrence, Gergory B.; David, Mark B.; Bailey, Scott W.; Shortle, Walter C. 1997. Assessment of calcium status in soils of red spruce forests in the northeastern United States. Biogeochemistry. 38: 19-39.

    Keywords

    atmospheric deposition, calcium, forest floor, forest soils, red spruce

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