Search Results - "FLESSA, Heiner"

Shifts in amino sugar and ergosterol contents after addition of sucrose and cellulose to soil by Engelking, Brigitte, Flessa, Heiner, Joergensen, Rainer Georg

“…An incubation experiment with organic soil amendments was carried out with the aim to determine whether formation and use of microbial tissue (biomass and…”
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Storage of organic carbon in aggregate and density fractions of silty soils under different types of land use by John, Bettina, Yamashita, Tamon, Ludwig, Bernard, Flessa, Heiner

“…The type of land use and soil cultivation are important factors controlling organic carbon storage in soils and they may also change the relative importance of…”
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Storage and mobility of black carbon in permafrost soils of the forest tundra ecotone in Northern Siberia by GUGGENBERGER, GEORG, RODIONOV, ANDREJ, SHIBISTOVA, OLGA, GRABE, MATTHIAS, KASANSKY, OLEG A., FUCHS, HANS, MIKHEYEVA, NATALIA, ZRAZHEVSKAYA, GALINA, FLESSA, HEINER

“…Boreal permafrost soils store large amounts of organic carbon (OC). Parts of this carbon (C) might be black carbon (BC) generated during vegetation fires…”
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Organic matter in density fractions of water-stable aggregates in silty soils: Effect of land use by Yamashita, Tamon, Flessa, Heiner, John, Bettina, Helfrich, Mirjam, Ludwig, Bernard

“…The location of soil organic matter (SOM) within the soil matrix is considered a major factor determining its turnover, but quantitative information about the…”
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Landscape controls of CH₄ fluxes in a catchment of the forest tundra ecotone in northern Siberia by FLESSA, HEINER, RODIONOV, ANDREJ, GUGGENBERGER, GEORG, FUCHS, HANS, MAGDON, PAUL, SHIBISTOVA, OLGA, ZRAZHEVSKAYA, GALINA, MIKHEYEVA, NATALIA, KASANSKY, OLEG A, BLODAU, CHRISTIAN

“…Terrestrial ecosystems in northern high latitudes exchange large amounts of methane (CH₄) with the atmosphere. Climate warming could have a great impact on CH₄…”
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Transformation of organic matter in agricultural soils: radiocarbon concentration versus soil depth by Rethemeyer, Janet, Kramer, Christiane, Gleixner, Gerd, John, Bettina, Yamashita, Tamon, Flessa, Heiner, Andersen, Nils, Nadeau, Marie-J., Grootes, Pieter M.

“…Radiocarbon measured by accelerator mass spectrometry (AMS) was used as a tracer to study the origin and fate of organic materials in soils. Fractionation…”
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Recovery of groundwater N₂O at the soil surface and its contribution to total N₂O emissions by Weymann, Daniel, Well, Reinhard, von der Heide, Carolin, Böttcher, Jürgen, Flessa, Heiner, Duijnisveld, Wilhelmus H. M

“…Production and accumulation of the major greenhouse gas nitrous oxide (N₂O) in surface groundwater might contribute to N₂O emissions to the atmosphere. We…”
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A snapshot of CO2 and CH4 evolution in a thermokarst pond near Igarka, northern Siberia by Blodau, Christian, Rees, Rainer, Flessa, Heiner, Rodionov, Andrej, Guggenberger, Georg, Knorr, Klaus-Holger, Shibistova, Olga, Zrazhevskaya, Galina, Mikheeva, Natalia, Kasansky, Oleg A.

“…Thermokarst wetlands and ponds in the subarctic, which are located in land surface depressions resulting from permafrost melt, are strong sources of CH4, but…”
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Sample Pretreatment Affects the Distribution of Organic Carbon in Aggregates of Tropical Grassland Soils by Paul, S, Martinson, G.O, Veldkamp, E, Flessa, H

“…Soil aggregation is an important mechanism for the stabilization of soil organic C (SOC). The distribution of SOC among aggregate classes depends on sample…”
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Atmospheric methane uptake by tropical montane forest soils and the contribution of organic layers by Wolf, Katrin, Flessa, Heiner, Veldkamp, Edzo

“…Microbial oxidation in aerobic soils is the primary biotic sink for atmospheric methane (CH₄), a powerful greenhouse gas. Although tropical forest soils are…”
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Experimental determinations of isotopic fractionation factors associated with N2O production and reduction during denitrification in soils by Lewicka-Szczebak, Dominika, Well, Reinhard, Köster, Jan Reent, Fuß, Roland, Senbayram, Mehmet, Dittert, Klaus, Flessa, Heiner

“…Quantifying denitrification in arable soils is crucial in predicting nitrogen fertiliser losses and N2O emissions. Stable isotopologue analyses of emitted N2O…”
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Estimating aboveground carbon in a catchment of the Siberian forest tundra: Combining satellite imagery and field inventory by Fuchs, Hans, Magdon, Paul, Kleinn, Christoph, Flessa, Heiner

“…This study was part of an interdisciplinary research project on soil carbon and phytomass dynamics of boreal and arctic permafrost landscapes. The 45 ha study…”
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Effect of litter quality and soil fungi on macroaggregate dynamics and associated partitioning of litter carbon and nitrogen by Helfrich, Mirjam, Ludwig, Bernard, Potthoff, Martin, Flessa, Heiner

“…We investigated the effect of plant residue decomposability and fungal biomass on the dynamics of macroaggregate (250–2000 μm) formation in a three months'…”
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Emission rates of N2O and CO2 from soils with different organic matter content from three long-term fertilization experiments—a laboratory study by Jäger, Nadine, Stange, Claus Florian, Ludwig, Bernard, Flessa, Heiner

“…Increasing organic matter stocks in soils reduce atmospheric carbon dioxide (CO 2 ), but they may also promote emissions of nitrous oxide (N 2 O) by providing…”
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Acidity, nutrient stocks, and organic-matter content in soils of a temperate deciduous forest with different abundance of European beech (Fagus sylvatica L.) by Guckland, Anja, Jacob, Mascha, Flessa, Heiner, Thomas, Frank M, Leuschner, Christoph

“…The production and composition of leaf litter, soil acidity, exchangeable nutrients, and the amount and distribution of soil organic matter were analyzed in a…”
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Groundwater level controls CO2, N2O and CH4 fluxes of three different hydromorphic soil types of a temperate forest ecosystem by JUNGKUNST, Hermann F, FLESSA, Heiner, SCHERBER, Christoph, FIEDLER, Sabine

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The Origin of Soil Organic C, Dissolved Organic C and Respiration in a Long-Term Maize Experiment in Halle, Germany, Determined by13C Natural Abundance by Flessa, Heiner, Ludwig, Bernard, Heil, Balint, Merbach, Wolfgang

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Variability of soil N cycling and N₂O emission in a mixed deciduous forest with different abundance of beech by Guckland, Anja, Corre, Marife D, Flessa, Heiner

“…The mixture of other broadleaf species into beech forests in Central Europe leads to an increase of tree species diversity, which may alter soil biochemical…”
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Stabilization of recent soil carbon in the humid tropics following land use changes: evidence from aggregate fractionation and stable isotope analyses by Paul, Sonja, Flessa, Heiner, Veldkamp, Edzo, López-Ulloa, Magdalena

“…Quantitative knowledge of stabilization- and decomposition processes is necessary to understand, assess and predict effects of land use changes on storage and…”
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Use of mid-infrared spectroscopy in the diffuse-reflectance mode for the prediction of the composition of organic matter in soil and litter by Ludwig, Bernard, Nitschke, Renate, Terhoeven-Urselmans, Thomas, Michel, Kerstin, Flessa, Heiner

“…Mid-infrared spectroscopy (MIRS) is assumed to be superior to near-infrared spectroscopy (NIRS) for the prediction of soil constituents, but its usefulness is…”
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