Search Results - "Lundkvist, H"

Effects of clear-cutting on the enchytraeids in a Scots pine forest soil in central Sweden by Lundkvist, H

“…(1) The populations of enchytraeids in a Scots pine forest soil were investigated for 4 years in a newly-felled area and a control forest, and for 2 years in a…”
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Effects of crushed wood ash on soil chemistry in young Norway spruce stands by Arvidsson, Helen, Lundkvist, Heléne

“…The use of logging residues as a fuel in district heating plants has led to regular wood ash recycling to forest soil to prevent soil nutrient depletion. Wood…”
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Decomposition and nutrient release from Picea abies (L.) Karst. and Pinus sylvestris L. logging residues by Hyvönen, Riitta, Olsson, Bengt A, Lundkvist, Heléne, Staaf, Håkan

“…We analyzed the long-term dynamics of the decomposition of different fractions of forest litters by using models derived from a theory on decomposition and…”
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Needle chemistry in young Norway spruce stands after application of crushed wood ash by Arvidsson, Helen, Lundkvist, Heléne

“…Nutrient concentrations in current and 1-year-old needles were analyzed annually for 5 years after application of hardened wood ash in 1-4-year-old Norway…”
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Nitrogen budgets for Scots pine and Norway spruce ecosystems 12 and 7 years after the end of long-term fertilisation by Ladanai, S, Agren, G.I, Hyvonen, R, Lundkvist, H

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Distributions of the capacity to take up nutrients by Betula spp. and Picea abies in mixed stands by Brandtberg, P.-O, Bengtsson, Jan, Lundkvist, Heléne

“…We examined the distribution of nutrient uptake (i.e. uptake of radioactive isotopes of nutrients) in the forest floor and lower part of the rooting zone…”
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Changes in forest-floor chemistry caused by a birch admixture in Norway spruce stands by Brandtberg, P.-O., Lundkvist, Heléne, Bengtsson, Jan

“…The aim of this study was to determine how soil chemistry and the distribution of fine roots (<1 mm) in the organic and upper mineral soil horizons were…”
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Effects of different forest harvest intensities on the pools of exchangeable cations in coniferous forest soils by Olsson, Bengt A., Bengtsson, Jan, Lundkvist, Heléne

“…Effects of harvest intensity on exchangeable cations (1 M NH4Cl extracts) were examined in four coniferous forest soils in Sweden, 15–16 years after…”
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Nitrogen budgets for Scots pine and Norway spruce ecosystems 12 and 7 years after the end of long-term fertilisation by Ladanai, Svetlana, Ågren, Göran I., Hyvönen, Riitta, Lundkvist, Helene

“…The magnitude of nitrogen storage and its temporal change in forest ecosystems are important when analysing global change. For example, the accelerated growth…”
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Carbon and nitrogen in coniferous forest soils after clear-felling and harvests of different intensity by Olsson, Bengt A., Staaf, Håkan, Lundkvist, Heléne, Bengtsson, Jan, Kaj, Rosén

“…Soil carbon and nitrogen contents were determined at four coniferous forest sites in Sweden (Scots pine and Norway spruce in southern and northern Sweden,…”
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Effects of crushed wood ash application on ground vegetation in young Norway spruce stands by Arvidsson, Helen, Vestin, Therese, Lundkvist, Heléne

“…Ground vegetation cover, composition and biomass were analyzed at six 7–9-year-old Norway spruce ( Picea abies (L.) Karst.) stands 5 years after application of…”
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Effects of wood ash, vitality fertilizer and logging residues on needle and root chemistry in a young Norway spruce stand by Wang, Pei, Olsson, Bengt A., Lundkvist, Heléne

“…The nutrient status of a 6-year-old Norway spruce stand in south-west Sweden was examined 4 and 5 years after application of soil ameliorative treatments. In…”
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Nutrient status in needles of Norway spruce and Scots pine following harvesting of logging residues by Olsson, Bengt A, Lundkvist, Heléne, Staaf, Håkan

“…Nutrient concentrations in current and 1-year old needles from two Picea abies (L.) Karst and two Pinus sylvestris L. stands in Sweden were determined 8-10,…”
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Long-Term Effects of Logging Residue Addition and Removal on Macroarthropods and Enchytraeids by Bengtsson, Jan, Persson, Tryggve, Lundkvist, Helene

“…1. The long-term effects of logging residue addition and removal on soil macroarthropods and enchytraeids were examined in a Scots pine Pinus sylvestris L…”
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Nutrient status in needles of Norway spruce and Scots pine following harvesting of logging residues by Olsson, Bengt A., Lundkvist, Heléne, Staaf, Håkan

“…Nutrient concentrations in current and 1-year old needles from two Picea abies (L.) Karst and two Pinus sylvestris L. stands in Sweden were determined 8-10,…”
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Does an admixture of Betula species in Picea abies stands increase organic matter quality and nitrogen release? by Brandtberg, P.O, Lundkvist, H

“…This study examined whether organic matter quality and nitrogen (N) release are higher in mixed stands of Norway spruce (Picea abies L. Karst.) and birch…”
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Soil organisms and carbon, nitrogen and phosphorus mineralisation in Norway spruce and mixed Norway spruce-birch stands by Saetre, P, Brandtberg, P.O, Lundkvist, H, Bengtsson, J

“…We examined how soil organisms and C, N and P mineralisation are affected by admixing deciduous tree species, silver birch (Betula pendula) and woollen birch…”
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Wood Ash Effects on Enchytraeid and Earthworm Abundance and Enchytraeid Cadmium Content by Lundkvist, Helene

“…Increasing use of bioenergy in Sweden and the accompanying practice of recycling wood ash by spreading it on forest soils could lead to some adverse effects,…”
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Effects of organic matter removal on the soil food web: Forestry practices meet ecological theory by Bengtsson, Jan, Lundkvist, Heléne, Saetre, Peter, Sohlenius, Björn, Solbreck, Berit

“…We examine the long-term effects of removing forest harvesting residues (above-ground whole-tree harvesting; WTH) in the soil food web, using data from two…”
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Influence of soil animals on decomposition of Scots pine needle litter [Pinus sylvestris, Acari, Enchytraeidae, lignin, weight loss] by Berg, B. (Sveriges Lantbruksuniv., Uppsala. Inst. foer Mikrobiologi), Lohm, U, Lundkvist, H, Wiren, A

“…The role of the mites Phthiracarus spp. and Rhysotritia ardua and the enchytraeid worm Cognettia sphagnetorum for decomposition of Scots pine needle litter was…”
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