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Consequences of nitrate leaching following stem-only harvesting of Swedish forests are dependent on spatial scale
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2010 (English)In: Environmental Pollution, ISSN 0269-7491, E-ISSN 1873-6424, Vol. 158, no 12, 3552-3559 p.Article in journal (Refereed) Published
Abstract [en]

Short-term increases in soil solution nitrate (NO3-) concentration are often observed after forest harvest, even in N-limited systems. We model NO3- leaching below the rooting zone as a function of site productivity. Using national forest inventories and published estimates of N attenuation in rivers and the riparian zone, we estimate effects of stem-only harvesting on NO3- leaching to groundwater, surface waters and the marine environment. Stem-only harvesting is a minor contributor to NO3- pollution of Swedish waters. Effects in surface waters are rapidly diluted downstream, but can be locally important for shallow well-waters as well as for the total amount of N reaching the sea. Harvesting adds approximately 8 Gg NO3-N to soil waters in Sweden, with local concentrations up to 7 mg NO3-N 1(-1). Of that, similar to 3.3 Gg reaches the marine environment. This is similar to 3% of the overall Swedish N load to the Baltic. (C) 2010 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
2010. Vol. 158, no 12, 3552-3559 p.
Keyword [en]
Nitrate, Forests, Baltic
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-140483DOI: 10.1016/j.envpol.2010.08.016ISI: 000283690500014OAI: oai:DiVA.org:uu-140483DiVA: diva2:383699
Available from: 2011-01-05 Created: 2011-01-05 Last updated: 2013-01-15Bibliographically approved

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