Alice May Orme

Comparability of Liquid Chromatography Tandem Mass Spectrometry Analysis of Dissolved Organic Matter across Laboratories

Jarmo Charles Julian Kalinski, Bruno Ruiz Brandão da Costa, T Schramm, Lance R. Buckett et autres

Non-targeted liquid chromatography tandem high-resolution mass spectrometry (LC-MS/MS) is increasingly applied for the structure-resolved chemical analysis of dissolved organic matter (DOM). With new developments in MS instrumentation and analysis software, the approach has gained substantial momentum over the past decade. However, achieving …

Comparability of Liquid Chromatography Tandem Mass Spectrometry Analysis of Dissolved Organic Matter across Laboratories

Jarmo-Charles J Kalinski, Bruno Ruiz Brandão da Costa, T Schramm, Lance R. Buckett et autres

Non-targeted liquid chromatography tandem high-resolution mass spectrometry (LC-MS/MS) is increasingly applied for the structure-resolved chemical analysis of dissolved organic matter (DOM). With new developments in MS instrumentation and analysis software, the approach has gained substantial momentum over the past decade. However, achieving …

us, Afrique du Sud, de, ru, cz, at, au, ca, gb, nl, dk, es, ch, cn, se (code pays fourni par la source)

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Jarmo-Charles Kalinski, Bruno Ruiz Brandão da Costa, T Schramm, Lance R. Buckett et autres

Non-targeted liquid-chromatography tandem high-resolution mass-spectrometry (LC-MS/MS) is increasingly applied for the structure-resolved chemical analysis of dissolved organic matter (DOM). With new developments in mass spectrometry instrumentation and analysis software, the approach has gained substantial momentum over the last decade. However, achieving high-quality …

us, Afrique du Sud, br, de, cz, at, ca, gb, nl, dk, es, se (code pays fourni par la source)

Bioavailable carbon additions to soil promote free-living nitrogen fixation and microbial biomass growth with N-free lipids

Georg Dittmann, Su Ding, Ellen C. Hopmans, Simon Andreas Schroeter et autres

Globally, the process of atmospheric nitrogen (N 2 ) fixation by free-living diazotrophs in soils contributes significantly to the soil N supply, yet the understanding of its driving factors, particularly the role of energy availability, is limited. In this study, we explored …

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Hydroclimatic extremes threaten groundwater quality and stability

Simon Andreas Schroeter, Alice May Orme, Katharina Lehmann, Robert Lehmann et autres

Heavy precipitation, drought, and other hydroclimatic extremes occur more frequently than in the past climate reference period (1961-1990). Given their strong effect on groundwater recharge dynamics, these phenomena increase the vulnerability of groundwater quantity and quality. Over the course of the past …

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Bioavailable Carbon Additions to Soil Promote Free-Living Nitrogen Fixation and Formation of Microbial Storage Lipids

Georg Dittmann, Su Ding, Ellen C. Hopmans, S Schröter et autres

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Stability and carbon uptake of the soil microbial community is determined by differences between rhizosphere and bulk soil

Markus Lange, Mina Azizi‐Rad, Georg Dittmann, Dan Frederik Lange et autres

The interactions between plants and soil microorganisms are fundamental for ecosystem functioning. However, it remains unclear if seasonality of plant growth impacts plant-microbial interactions, such as by inducing shifts in the microbial community composition, their biomass, or changes in the microbial uptake …

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Uptake of plant-derived carbon and proximity to the root determine differences in temporal and spatial stability among microbial groups

Markus Lange, Mina Azizi‐Rad, Georg Dittmann, Dan Frederik Lange et autres

Abstract The interactions between plants and soil microorganisms are fundamental for ecosystem functioning. However, it remains unclear if seasonality of plant growth impacts plant-microbial interactions, such as by inducing shifts in the microbial community composition, their biomass, or changes in the microbial …

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Drought Reduces Release of Plant Matter Into Dissolved Organic Matter Potentially Restraining Ecosystem Recovery

Alice May Orme, Markus Lange, Simon Andreas Schroeter, Marcus Wicke et autres

Future climate scenarios indicate increasing drought intensity that threatens ecosystem functioning. However, the behavior of ecosystems during intense drought, such as the 2018 drought in Northern Europe, and their respective response following rewetting is not fully understood. We investigated the effect of …

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Analytical Investigations to Estimate Phosphorus Re-dissolution Rates in Trace Levels of Selected Topsoils and River Sediments

Steffen Hellmann, Günter Kießling, Matthias Leiterer, Marc Schindewolf et autres

Abstract Anthropogenic phosphorus (P) input from fertilised and unfertilised topsoils into surface water and re-dissolution from sediments can be key drivers of eutrophication. This study aimed to (1) analyse the P input processes into streams/rivers particularly via erosion from fertilised and unfertilised …

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Increased Drought Intensity Reduces Release of Plant Carbon into Dissolved Organic Carbon Pool

Alice May Orme, Markus Lange, Simon Andreas Schroeter, Marcus Wicke et autres

Drought is an ever-increasing threat; its negative effects on ecosystems and their functioning directly impact our food security. It is therefore critical to understand the mechanisms that affect drought resilience of ecosystems. Many ecosystem functions depend on plant-soil interactions and are mediated …

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Molecular Changes in Dissolved Organic Matter After Soil Rewetting

Alice May Orme, Simon Benk, Markus Lange, Christian Zerfaß et autres

The intensity and occurrence of droughts is projected to increase due to climate change. Dried soils release high concentrations of dissolved organic matter (DOM) into subsurface waters when they are rewet, the so-called rewetting peak. To more accurately predict the role of …

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