Search Results - "Hyvönen, Riitta"

Temperature and soil organic matter decomposition rates - synthesis of current knowledge and a way forward by Conant, Richard T., Ryan, Michael G., Ågren, Göran I., Birge, Hannah E., Davidson, Eric A., Eliasson, Peter E., Evans, Sarah E., Frey, Serita D., Giardina, Christian P., Hopkins, Francesca M., Hyvönen, Riitta, Kirschbaum, Miko U. F., Lavallee, Jocelyn M., Leifeld, Jens, Parton, William J., Megan Steinweg, Jessica, Wallenstein, Matthew D., Martin Wetterstedt, J. Å., Bradford, Mark A.

“…The response of soil organic matter (OM) decomposition to increasing temperature is a critical aspect of ecosystem responses to global change. The impacts of…”
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Modelling the influence of ectomycorrhizal decomposition on plant nutrition and soil carbon sequestration in boreal forest ecosystems by Baskaran, Preetisri, Hyvönen, Riitta, Berglund, S. Linnea, Clemmensen, Karina E., Ågren, Göran I., Lindahl, Björn D., Manzoni, Stefano

“…Tree growth in boreal forests is limited by nitrogen (N) availability. Most boreal forest trees form symbiotic associations with ectomycorrhizal (ECM) fungi,…”
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Interactions between a population of fallow deer (Dama dama), humans and crops in a managed composite temperate landscape in southern Sweden: Conflict or opportunity? by Menichetti, Lorenzo, Touzot, Laura, Elofsson, Katarina, Hyvönen, Riitta, Kätterer, Thomas, Kjellander, Petter

“…Landscapes composed of agricultural land mixed with forest are desirable since they provide a wide range of diversified ecosystem services, unlike specialized…”
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likely impact of elevated [CO₂], nitrogen deposition, increased temperature and management on carbon sequestration in temperate and boreal forest ecosystems: a literature review by Hyvönen, Riitta, Ågren, Göran I, Linder, Sune, Persson, Tryggve, Cotrufo, M. Francesca, Ekblad, Alf, Freeman, Michael, Grelle, Achim, Janssens, Ivan A, Jarvis, Paul G, Kellomäki, Seppo, Lindroth, Anders, Loustau, Denis, Lundmark, Tomas, Norby, Richard J, Oren, Ram, Pilegaard, Kim, Ryan, Michael G, Sigurdsson, Bjarni D, Strömgren, Monika, van Oijen, Marcel, Wallin, Göran

“…Temperate and boreal forest ecosystems contain a large part of the carbon stored on land, in the form of both biomass and soil organic matter. Increasing…”
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Ectomycorrhiza, Friend or Foe? by Ågren, Göran I., Hyvönen, Riitta, Baskaran, Preetisri

“…Many ecology textbooks present the interaction between mycorrhizal fungi and their host plants as the archetype of symbiosis or mutualism. However, mycorrhiza…”
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Impact of long-term nitrogen addition on carbon stocks in trees and soils in northern Europe by Hyvönen, Riitta, Persson, Tryggve, Andersson, Stefan, Olsson, Bengt, Ågren, Göran I, Linder, Sune

“…The aim of this study was to quantify the effects of fertiliser N on C stocks in trees (stems, stumps, branches, needles, and coarse roots) and soils (organic…”
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Long-term soil calcium depletion after conventional and whole-tree harvest by Zetterberg, Therese, Olsson, Bengt A., Löfgren, Stefan, Hyvönen, Riitta, Brandtberg, Per-Olov

“…•We compared calcium pools after conventional (CH) and whole-tree harvest (WTH).•Soil calcium pools decreased over time, independent of biomass removal…”
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Modeling persistence of coarse woody debris residuals in boreal forests as an ecological property by Menichetti, Lorenzo, Mäkinen, Harri, Stendahl, Johan, Ågren, Göran I., Hyvönen, Riitta

“…There is a trade‐off between leaving coarse woody debris (CWD) in the stand, providing desirable ecosystem services, and harvesting it. To consider this…”
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Effects of stump harvesting on soil C and N stocks and vegetation 8–13 years after clear-cutting by Hyvönen, Riitta, Kaarakka, Lilli, Leppälammi-Kujansuu, Jaana, Olsson, Bengt A., Palviainen, Marjo, Vegerfors-Persson, Birgitta, Helmisaari, Heljä-Sisko

“…Basal area measurements on remaining stumps suggested that about 75% of the stumps had been removed from the stump-harvested stands, which is a typical stump…”
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Nitrogen dynamics of decomposing Scots pine needle litter depends on colonizing fungal species by Baskaran, Preetisri, Ekblad, Alf, Soucémarianadin, Laure N, Hyvönen, Riitta, Schleucher, Jürgen, Lindahl, Björn D

“…ABSTRACT In boreal ecosystems plant production is often limited by low availability of nitrogen. Nitrogen retention in below-ground organic pools plays an…”
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Effects of climate change on biomass production and substitution in north-central Sweden by Poudel, Bishnu Chandra, Sathre, Roger, Gustavsson, Leif, Bergh, Johan, Lundström, Anders, Hyvönen, Riitta

“…In this study we estimate the effects of climate change on forest production in north-central Sweden, as well as the potential climate change mitigation…”
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Carbon balance of a forest ecosystem after stump harvest by Grelle, Achim, Strömgren, Monika, Hyvönen, Riitta

“…Stump harvest in forests can cause both reductions of CO₂ emissions through a decrease of decomposable substrate (direct effect) and emission increases as a…”
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Predicted long-term effects of decomposition of leaf litter from Pinus taeda, Eucalyptus cloeziana and deciduous miombo trees on soil carbon stocks by Olsson, Bengt A., Guedes, Benard S., Dahlin, A. Sigrun, Hyvönen, Riitta

“…Decomposition rate of leaf litter in native miombo and in Pinus taeda and Eucalyptus cloeziana plantations was measured in the Inhamacari forest research area,…”
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Carbon and nitrogen pools and mineralization rates in boreal forest soil after stump harvesting by Kaarakka, Lilli, Hyvönen, Riitta, Strömgren, Monika, Palviainen, Marjo, Persson, Tryggve, Olsson, Bengt A., Launonen, Erno, Vegerfors, Birgitta, Helmisaari, Heljä-Sisko

“…•Effects of stump harvesting and soil disturbance on C and N mineralization were studied in clear-felled Norway spruce stands.•No significant effects on soil…”
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Potential effects of intensive forestry on biomass production and total carbon balance in north-central Sweden by Poudel, Bishnu Chandra, Sathre, Roger, Bergh, Johan, Gustavsson, Leif, Lundström, Anders, Hyvönen, Riitta

“…► We model effects of intensive forest management on total carbon balance in Sweden. ► Forest production increases by up to 26% and annual harvest by up to…”
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Are Swedish forest soils sinks or sources for CO₂--model analyses based on forest inventory data by Ågren, Göran I, Hyvönen, Riitta, Nilsson, Torbjörn

“…Forests soils should be neither sinks nor sources of carbon in a long-term perspective. From a Swedish perspective the time since the last glaciation has…”
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Effects of stump harvesting on soil C and N stocks and vegetation 8–13years after clear-cutting by Hyvönen, Riitta, Kaarakka, Lilli, Leppälammi-Kujansuu, Jaana, Olsson, Bengt A., Palviainen, Marjo, Vegerfors-Persson, Birgitta, Helmisaari, Heljä-Sisko

“…•Stump harvesting effects studied 8–13years after clear-cutting in C Finland.•No stump harvesting effect on field-layer vegetation cover and diversity.•No…”
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Dynamics of soil C, N and Ca in four Swedish forests after removal of tops, branches and stumps as predicted by the Q model by Hyvönen, Riitta, Olsson, Bengt A., Ågren, Göran I.

“…We used the Q model to examine the dynamics of carbon (C), nitrogen (N) and calcium (Ca) in the litter/soil system in different scenarios of harvesting…”
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Are Swedish forest soils sinks or sources for CO₂--model analyses based on forest inventory data by Ågren, Göran I, Hyvönen, Riitta, Nilsson, Torbjörn

“…Forests soils should be neither sinks nor sources of carbon in a long-term perspective. From a Swedish perspective the time since the last glaciation has…”
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Analysing temperature response of decomposition of organic matter by Hyvonen, R, Agren, G.I, Dalias, P

“…In order to analyse temperature effects on decomposition of organic matter, we tested the following hypothesis: Can an Arrhenius type of equation with constant…”
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