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    Author(s): K. Nadelhoffer; L.H. Geiser
    Date: 2011
    Source: In: Pardo, L.H.; Robin-Abbott, M.J.; Driscoll, C.T., eds. Assessment of Nitrogen deposition effects and empirical critical loads of Nitrogen for ecoregions of the United States. Gen. Tech. Rep. NRS-80. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 37-47.
    Publication Series: General Technical Report (GTR)
    Station: Northern Research Station
    PDF: View PDF  (160.34 KB)

    Description

    The North American Arctic, comprising the Tundra and Arctic Cordillera ecoregions (CEC 1997, Chapter 2), covers more than 3 million km2 (300 million ha), and accounts for nearly 14 percent of the North American land mass. The North American Arctic also constitutes about 20 percent of the much larger circumpolar Arctic shared by Canada, the United States, and six European and Asian countries.

    Publication Notes

    • Check the Northern Research Station web site to request a printed copy of this publication.
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    • Please contact Sharon Hobrla, shobrla@fs.fed.us if you notice any errors which make this publication unusable.
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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

    Nadelhoffer, K.; Geiser, L.H. 2011. Tundra, Chapter 5. In: Pardo, L.H.; Robin-Abbott, M.J.; Driscoll, C.T., eds. 2011. Assessment of Nitrogen deposition effects and empirical critical loads of Nitrogen for ecoregions of the United States. Gen. Tech. Rep. NRS-80. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 37-47.

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