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    Description

    Depletion of calcium from forest soils has important implications for forest productivity and health. Ca is available to fine feeder roots from a number of soil organic and mineral sources. but identifying the primary source or changes of sources in response to environmental change is problematic. We used strontium isotope and alkaline earth element concentration ratios of trees and soils to discern the record of Ca sources for red spruce at a base-poor, acid deposition-impacted watershed.

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    Citation

    Bullen, Thomas D.; Bailey, Scott W. 2005. Identifying calcium sources at an acid deposition-impacted spruce forest: a strontium isotope, alkaline earth element multi-tracer approach. Biogeochemistry. 74: 63-99.

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    Keywords

    alkaline earth elements, calcium, forest soils, nutrients, red spruce, strontium isotopes

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