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Differences in soil properties in adjacent stands of Scots pine, Norway spruce and silver birch in SW Sweden

Differences in soil properties in adjacent stands of Scots pine, Norway spruce and silver birch in SW Sweden

Hansson, Karna ORCID: 0000-0002-9189-4366, Olsson, Bengt A., Olsson, Mats, Johansson, Ulf and Kleja, Dan Berggren (2011) Differences in soil properties in adjacent stands of Scots pine, Norway spruce and silver birch in SW Sweden. Forest Ecology and Management, 262 (3). pp. 522-530. ISSN 0378-1127 (doi:https://doi.org/10.1016/j.foreco.2011.04.021)

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Abstract

Soil properties were compared in adjacent 50-year-old Norway spruce, Scots pine and silver birch stands growing on similar soils in south-west Sweden. The effects of tree species were most apparent in the humus layer and decreased with soil depth. At 20–30 cm depth in the mineral soil, species differences in soil properties were small and mostly not significant. Soil C, N, K, Ca, Mg, and Na content, pH, base saturation and fine root biomass all significantly differed between humus layers of different species. Since the climate, parent material, land use history and soil type were similar, the differences can be ascribed to tree species. Spruce stands had the largest amounts of carbon stored down to 30 cm depth in mineral soil (7.3 kg C m−2), whereas birch stands, with the lowest production, smallest amount of litterfall and lowest C:N ratio in litter and humus, had the smallest carbon pool (4.1 kg C m−2), with pine intermediate (4.9 kg C m−2). Similarly, soil nitrogen pools amounted to 349, 269, and 240 g N m−2 for spruce, pine, and birch stands, respectively. The humus layer in birch stands was thin and mixed with mineral soil, and soil pH was highest in the birch stands. Spruce had the thickest humus layer with the lowest pH.

Item Type: Article
Uncontrolled Keywords: Betula pendula; carbon; nitrogen; soil pH; Picea abies; Pinus sylvestris
Subjects: Q Science > QK Botany
S Agriculture > S Agriculture (General)
Faculty / School / Research Centre / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Natural Resources Institute
Faculty of Engineering & Science > Natural Resources Institute > Agriculture, Health & Environment Department
Last Modified: 07 Jun 2022 09:58
URI: http://gala.gre.ac.uk/id/eprint/36375

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