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Please use this identifier to cite or link to this item: http://hdl.handle.net/11019/583

Title: The short-term effects of management changes on watertable position and nutrients in shallow groundwater in a harvested peatland forest
Authors: Finnegan, Joanne
Regan, J. T.
Fenton, Owen
Lanigan, Gary
Brennan, R. B.
Healy, Mark G.
Keywords: Forestry
Peat
Clearfelling
Watertable
Groundwater
Nutrients
Issue Date: 8-May-2014
Publisher: Elsevier
Citation: J. Finnegan, J.T. Regan, O. Fenton, G.J. Lanigan, R.B. Brennan, M.G. Healy, The short-term effects of management changes on watertable position and nutrients in shallow groundwater in a harvested peatland forest, Journal of Environmental Management, 2014, 142, 46-52. DOI: 10.1016/j.jenvman.2014.04.008
Series/Report no.: Journal of Environmental Management;vol 142
Abstract: Management changes such as drainage, fertilisation, afforestation and harvesting (clearfelling) of forested peatlands influence watertable (WT) position and groundwater concentrations of nutrients. This study investigated the impact of clearfelling of a peatland forest on WT and nutrient concentrations. Three areas were examined: (1) a regenerated riparian peatland buffer (RB) clearfelled four years prior to the present study (2) a recently clearfelled coniferous forest (CF) and (3) a standing, mature coniferous forest (SF), on which no harvesting took place. The WT remained consistently below 0.3 m during the pre-clearfelling period. Results showed there was an almost immediate rise in the WT after clearfelling and a rise to 0.15 m below ground level (bgl) within 10 months of clearfelling. Clearfelling of the forest increased dissolved reactive phosphorus concentrations (from an average of 28–230 μg L−1) in the shallow groundwater, likely caused by leaching from degrading brash mats.
Description: peer-reviewed
This work was funded by the Department of Agriculture, Fisheries and Food and the Environmental Protection Agency under the STRIVE program 2007 – 2013.
URI: http://hdl.handle.net/11019/583
http://dx.doi.org/10.1016/j.jenvman.2014.04.008
http://www.sciencedirect.com/science/article/pii/S0301479714001881
ISSN: 0301-4797
Appears in Collections:Environment, Soils & Land Use

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