Search Results - "Eckhardt, Kai‐Uwe"

Dissolved organic matter concentration, molecular composition, and functional groups in contrasting management practices of peatlands by Negassa, Wakene, Eckhardt, Kai‐Uwe, Regier, Tom, Leinweber, Peter

“…About 91,300 ha of peatlands has been rewetted in western Europe since the mid‐1990s. Still, it is unknown how long‐term rewetting alters the dissolved organic…”
Get full text

Microbial contribution to SOM quantity and quality in density fractions of temperate arable soils by Ludwig, Marie, Achtenhagen, Jan, Miltner, Anja, Eckhardt, Kai-Uwe, Leinweber, Peter, Emmerling, Christoph, Thiele-Bruhn, Sören

“…The formation of soil organic matter (SOM) very much depends on microbial activity. Even more, latest studies identified microbial necromass itself being a…”
Get full text

Clay fraction properties and grassland management imprint on soil organic matter composition and stability at molecular level by Baumann, Karen, Eckhardt, Kai‐Uwe, Schöning, Ingo, Schrumpf, Marion, Leinweber, Peter

“…The dynamics of soil carbon in grassland are partly determined by soil organic matter (SOM) composition. However, it remains unclear which role grassland…”
Get full text

Desert breath—How fog promotes a novel type of soil biocenosis, forming the coastal Atacama Desert’s living skin by Jung, Patrick, Baumann, Karen, Lehnert, Lukas W., Samolov, Elena, Achilles, Sebastian, Schermer, Michael, Wraase, Luise M., Eckhardt, Kai‐Uwe, Bader, Maaike Y., Leinweber, Peter, Karsten, Ulf, Bendix, Jörg, Büdel, Burkhard

“…The Atacama Desert is the driest non‐polar desert on Earth, presenting precarious conditions for biological activity. In the arid coastal belt, life is…”
Get full text

Chemical composition of soil organic matter and potential enzyme activity in the topsoil along a moisture gradient in the High Arctic (Svalbard) by Pushkareva, Ekaterina, Eckhardt, Kai-Uwe, Hotter, Vivien, Frossard, Aline, Leinweber, Peter, Frey, Beat, Karsten, Ulf

“…•Lipids/sterols, alkylaromatics and phenols/lignin monomers dominated Arctic SOM.•Soil depths significantly influenced SOM composition and potential enzyme…”
Get full text

Nitrogen K-edge XANES - an overview of reference compounds used to identify unknown organic nitrogen in environmental samples by Leinweber, Peter, Kruse, Jens, Walley, Fran L, Gillespie, Adam, Eckhardt, Kai Uwe, Blyth, Robert I R, Regier, Tom

“…The chemical nature of soil organic nitrogen (N) is still poorly understood and one-third to one-half of it is typically classified as ;unknown N'. Nitrogen…”
Get more information

Phosphorus L2,3-edge XANES: overview of reference compounds by Kruse, Jens, Leinweber, Peter, Eckhardt, Kai-Uwe, Godlinski, Frauke, Hu, Yongfeng, Zuin, Lucia

“…Synchrotron‐based X‐ray absorption near‐edge structure (XANES) spectroscopy is becoming an increasingly used tool for the element speciation in complex…”
Get full text

Analyzing organic matter composition at intact biopore and crack surfaces by combining DRIFT spectroscopy and Pyrolysis‐Field Ionization Mass Spectrometry by Leue, Martin, Eckhardt, Kai‐Uwe, Ellerbrock, Ruth H, Gerke, Horst H, Leinweber, Peter

“…In the clay‐illuvial horizons (Bt) of Luvisols, surfaces of biopores and aggregates can be enriched in clay and organic matter (OM), relative to the bulk of…”
Get full text

Peat Formation in Rewetted Fens as Reflected by Saturated n-Alkyl Acid Concentrations and Patterns by Jandl, Gerald, Negassa, Wakene, Eckhardt, Kai-Uwe, Leinweber, Peter

“…The conversion of cultivated fen peat soils into rewetted soils can mitigate global climate change. Specifically, carbon in newly formed peat can store…”
Get full text

Stability and composition of soil organic matter control respiration and soil enzyme activities by Leinweber, Peter, Jandl, Gerald, Baum, Christel, Eckhardt, Kai-Uwe, Kandeler, Ellen

“…Relationships between soil organic matter (SOM) molecular composition, thermal stability and decomposability by soil enzymes and microbes are largely unknown…”
Get full text

Hydrothermal Carbonization of Biomass Residues: Mass Spectrometric Characterization for Ecological Effects in the Soil–Plant System by Jandl, Gerald, Eckhardt, Kai‐Uwe, Bargmann, Inge, Kücke, Martin, Greef, Jörg‐Michael, Knicker, Heike, Leinweber, Peter

“…Hydrochars, technically manufactured by hydrothermal carbonization (HTC) of biomass residues, are recently tested in high numbers for their suitability as…”
Get full text

Origin and alteration of organic matter in termite mounds from different feeding guilds of the Amazon rainforests by Siebers, Nina, Martius, Christopher, Eckhardt, Kai-Uwe, Garcia, Marcos V B, Leinweber, Peter, Amelung, Wulf

“…The impact of termites on nutrient cycling and tropical soil formation depends on their feeding habits and related material transformation. The identification…”
Get full text

Rhizodeposition of maize: Short-term carbon budget and composition by Fischer, Holger, Eckhardt, Kai-Uwe, Meyer, Axel, Neumann, Günter, Leinweber, Peter, Fischer, Klaus, Kuzyakov, Yakov

“…The aim of this study was to assess differences in rhizodeposition quantity and composition from maize cropped on soil or on 1:1 (w/w) soil-sand mixture and…”
Get full text

Potential of constructed wetlands to reduce nitrate pollution in agricultural catchments by Bauwe, Andreas, Eckhardt, Kai-Uwe, Lennartz, Bernd

“…Nitrate (NO3−) concentrations and loads are still above ecologically acceptable levels in many open waters, including coastal seas. Agricultural measures aimed…”
Get full text

Erosion Induced Heterogeneity of Soil Organic Matter in Catenae from the Baltic Sea Catchment by Jandl, Gerald, Baum, Christel, Heckrath, Goswin, Greve, Mogens H., Kanal, Arno, Mander, Ülo, Maliszewska-Kordybach, Barbara, Niedzwiecki, Jacek, Eckhardt, Kai-Uwe, Leinweber, Peter

“…Soil organic matter (SOM) is unevenly distributed in arable fields in undulated landscapes, but the chemical composition resulting from their turnover,…”
Get full text

Sustainability of Impacts of Poplar Growth on Soil Organic Matter in Eutric Cambisols by Baum, Christel, Barth, Martin, Henkel, Kathrin, Siebers, Meike, Eckhardt, Kai-Uwe, Hilke, Ines, Gleixner, Gerd, Leinweber, Peter

“…Short rotation coppices (SRC) with poplar on arable soils constitute no-till management in combination with a changed litter quality compared to annual crops…”
Get full text

A new rapid micro-method for the molecular-chemical characterization of rhizodeposits by field-ionization mass spectrometry by Leinweber, Peter, Eckhardt, Kai-Uwe, Fischer, Holger, Kuzyakov, Yakov

“…Time‐consuming investigation of rhizodeposit composition by leaching, freeze‐drying of leachate, and pyrolysis‐field ionization mass spectrometry (Py‐FIMS) of…”
Get full text

Soil organic matter characteristics in drained and rewetted peatlands of northern Germany: Chemical and spectroscopic analyses by Negassa, Wakene, Acksel, Andre, Eckhardt, Kai-Uwe, Regier, Tom, Leinweber, Peter

“…Understanding soil organic matter concentration (SOM) and chemistry in different peatlands can help design appropriate management practices for sustainable use…”
Get full text

Characterization of different decomposition stages of biowaste using FT-IR spectroscopy and pyrolysis-field ionization mass spectrometry by Smidt, E, Eckhardt, K.U, Lechner, P, Schulten, H.R, Leinweber, P

“…The decomposition stage and stabilization of organic matter in biowaste (mixture of yard waste and kitchen waste), originating from an open windrow process,…”
Get full text

Implications of Free and Occluded Fine Colloids for Organic Matter Preservation in Arable Soils by Tang, Ni, Siebers, Nina, Leinweber, Peter, Eckhardt, Kai-Uwe, Dultz, Stefan, Nischwitz, Volker, Klumpp, Erwin

“…Colloidal organo–mineral associations contribute to soil organic matter (OM) preservation and mainly occur in two forms: (i) as water-dispersible colloids that…”
Get full text