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It is generally assumed that site preparation after forest harvesting has an impact on nutrient leaching to watercourses, but the scientific evidence is limited. We studied the effects of soil harrowing on cation (Ca 2+ , Mg 2+ , K + , H + , Al 3+ , Fe 3+ ) and sulphate (SO 42− ) fluxes through podzolic soil horizons in a boreal forest in...
Potassium (K), calcium (Ca), iron (Fe) and aluminium (Al) release from Norway spruce (Picea abies Karsten), Scots pine (Pinus sylvestris L.) and silver birch (Betula pendula Roth.) logging residues (fine roots, foliage and small branches) were studied by means of litterbags over a period of three years in clear-cut area and adjacent uncut Norway spruce dominated mixed boreal forest in eastern Finland...
Clear-cutting considerably alters the flow of nutrients through the forest ecosystem. These changes are reflected in soil solution concentrations and fluxes. The effects of clear-cutting (stems only) on the fluxes of water soluble phosphorus (P), sulphur (S) and base cations (Ca, Mg and K) through a podzolic soil were studied in a Norway spruce dominated mixed boreal forest in eastern Finland. Bulk...
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