Fröberg, Mats and Hansson, Karna and Kleja, Dan Berggren and Alavi, Ghasem
Dissolved organic carbon and nitrogen leaching from Scots pine, Norway spruce and silver birch stands in southern Sweden.
Forest ecology and management. 262:9, 1742-1747
Official URL: http://www.sciencedirect.com/science/article/pii/S...
The effects of three common tree species – Scots pine, Norway spruce and silver birch – on leaching of dissolved organic carbon and dissolved nitrogen were studied in an experimental forest with podzolised soils in southern Sweden. We analyzed soil water collected with lysimeters and modeled water fluxes to estimate dissolved C and N fluxes. Specific UV absorbance (SUVA) was analyzed to get information about the quality of dissolved organic matter leached from the different stands. Under the O horizon, DOC concentrations and fluxes in the birch stands were lower than in the spruce and pine stands; annual fluxes were 21 g m-2 y-1 for birch and 38 g m-2 y-1 and 37 g C m-2 y-1 for spruce and pine, respectively. Under the B horizon, annual fluxes for all tree species ranged between 3 and 5 g C m-2 y-1, implying greater loss of DOC in the mineral soil in the coniferous stands than in the birch stands. We did not find any effect of tree species on the quality of the dissolved organic matter, as measured by SUVA, indicating that the chemical composition of the organic matter was similar in leachates from all three tree species. Substantial amounts of nitrogen was leached out of the soil profile at the bottom of the B horizon from the pine and birch stands, whereas the spruce stands seemed to retain most of the nitrogen in the soil. These differences in N leaching have implications for soil N budgets.
|Authors/Creators:||Fröberg, Mats and Hansson, Karna and Kleja, Dan Berggren and Alavi, Ghasem|
|Title:||Dissolved organic carbon and nitrogen leaching from Scots pine, Norway spruce and silver birch stands in southern Sweden|
|Series/Journal:||Forest ecology and management (0378-1127)|
|Year of publishing :||2011|
|Additional Information:||Published in Forest Ecology and Management by Elsevier.|
|Publication Type:||Journal article|
|Article category:||Scientific peer reviewed|
|Full Text Status:||Public|
|Subjects:||ZZZ Don't use any more: Subject categories for Swedish research publications > FORESTRY, AGRICULTURAL SCIENCES and LANDSCAPE PLANNING > Soil science > Soil chemistry|
Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Soil Science
ZZZ Don't use any more: Subject categories for Swedish research publications > NATURAL SCIENCES > Biology > Terrestrial, freshwater and marine ecology > Terrestrial ecology
|Keywords:||Dissolved organic matter, Tree species, Forest soil|
|Divisions:||Faculty of Natural Resources and Agricultural Sciences > Dept. of Soil and Environment|
|Deposited By:||Fröberg Mats|
|Deposited On:||09 Nov 2011 15:49|
|Metadata Last Modified:||03 May 2013 08:08|
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