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Forest Harvest Increases Runoff Most during Low Flows in Two Boreal Streams
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
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2009 (English)In: Ambio, ISSN 0044-7447, Vol. 38, no 7, 357-363 p.Article in journal (Other academic) Published
Abstract [en]

To understand how forest harvest influences the aquatic environment, it is essential to determine the changes in the flow regime. This paper presents changes in the hydrological regime during the first 2 y after harvest in two catchments of the Balsjo Catchment Study in Sweden. The changes were judged relative to a reference catchment, calibrated during an 18-mo pretreatment period starting in September 2004. From August 2006 through March 2008, there was an average of 35% more runoff from the harvested catchments relative to the reference. The flow increased most during the growing seasons and at base flows (< 1 mm d(-1); 58-99% increase), followed by dormant season and intermediate flows (30-43%). No significant changes were observed during the highest flows (over 5 mm d(-1)), except for the spring flood a few weeks after harvest, which was delayed and attenuated. Large relative changes in low flow may influence the ecosystem by altering the aquatic habitat

Place, publisher, year, edition, pages
2009. Vol. 38, no 7, 357-363 p.
Keyword [en]
catchment, central sweden, large basins, oregon, paired intervention analysis, rejection rates, responses, roads, water, western cascades
National Category
Earth and Related Environmental Sciences
URN: urn:nbn:se:su:diva-34937DOI: 10.1579/0044-7447-38.7.357ISI: 000272002800003ISBN: 0044-7447OAI: diva2:286056
Available from: 2010-01-13 Created: 2010-01-13 Last updated: 2011-03-21Bibliographically approved

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Meili, MarkusSeibert, JanGrabs, Thomas
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Department of Applied Environmental Science (ITM)Department of Physical Geography and Quaternary Geology (INK)
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Earth and Related Environmental Sciences

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