Výsledky vyhledávání - "Kristina Kirfel"

Akademický článek

Influence of Root Diameter and Soil Depth on the Xylem Anatomy of Fine- to Medium-Sized Roots of Mature Beech Trees in the Top- and Subsoil

Autor: Kristina Kirfel, Christoph Leuschner, Dietrich Hertel, Bernhard Schuldt

Publikováno v: Frontiers in Plant Science, Vol 8 (2017)

Despite their importance for water uptake and transport, the xylem anatomical and hydraulic properties of tree roots have only rarely been studied in the field. We measured mean vessel diameter (D), vessel density (VD), relative vessel lumen area (lu

Externí odkaz: https://doaj.org/article/d6722ba8edda4985bc7723f737c9b86a

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Effects of bedrock type and soil chemistry on the fine roots of European beech – A study on the belowground plasticity of trees

Autor: Dietrich Hertel, Kristina Kirfel, Christoph Leuschner, Stefanie Heinze

Publikováno v: Forest Ecology and Management. 444:256-268

We studied the fine root system of Fagus sylvatica in six mature stands on different bedrock down to the rock surface (or to 2 m) to investigate whether (1) the stand total of fine root biomass (FRB) increases, while the fine root live:dead ratio dec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::90fe3acebdf55a84d5ac1da8da606c40
https://doi.org/10.1016/j.foreco.2019.04.022

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Soil organic carbon stocks in topsoil and subsoil controlled by parent material, carbon input in the rhizosphere, and microbial-derived compounds

Autor: Carsten W. Mueller, Gerrit Angst, Ingrid Kögel-Knabner, Johanna Messinger, Dietrich Hertel, Maria Greiner, Christoph Leuschner, Kristina Kirfel, W. Häusler, Janet Rethemeyer

Publikováno v: Soil Biology and Biochemistry. 122:19-30

Despite a large body of studies investigating soil organic carbon (SOC) stocks and potential influencing factors, the impact of contrasting parent material, particularly in the subsoil, has received little attention. To reveal potential effects varyi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ebf675c57050dc762b40fddec2783ae3
https://doi.org/10.1016/j.soilbio.2018.03.026

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Factors controlling the variability of organic matter in the top- and subsoil of a sandy Dystric Cambisol under beech forest

Autor: Georg Guggenberger, Patrick Wordell-Dietrich, Axel Don, Sebastian Preusser, Bernd Marschner, Robert Mikutta, Stefanie Heinze, Mirjam Helfrich, Dietrich Hertel, Timo Leinemann, Kristina Kirfel, Hans-Peter Piepho, Bernard Ludwig, Christoph Leuschner, Ellen Kandeler

Publikováno v: Geoderma. 311:37-44

Organic carbon in subsoils amounts to 40–60% of the global soil carbon pool and is generally characterized by apparent turnover times of hundreds to thousands of years and an increasing spatial variability with depth. The objective of this study wa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c82fc0662155ef024277321f968f497
https://doi.org/10.1016/j.geoderma.2017.09.028

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Vertical partitioning of CO2 production in a Dystric Cambisol

Autor: Jörg Bachmann, Patrick Wordell-Dietrich, Kristina Kirfel, Axel Don, Christoph Leuschner, Anja Wotte, Mirjam Helfrich, Janet Rethemeyer

Large amounts of total organic carbon are temporarily stored in soils, which makes soil respiration one of the major sources of terrestrial CO2 fluxes within the global carbon cycle. More than half of global soil organic carbon (SOC) is stored in sub

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2cbd1cb00d66bbc36b31ce45e8f6b4ac
https://doi.org/10.5194/bg-2019-143

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Supplementary material to 'Vertical partitioning of CO2 production in a Dystric Cambisol'

Autor: Patrick Wordell-Dietrich, Axel Don, Anja Wotte, Janet Rethemeyer, Jörg Bachmann, Mirjam Helfrich, Kristina Kirfel, Christoph Leuschner

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ae60d088c01beafa4ff0ab373ca4f1b5
https://doi.org/10.5194/bg-2019-143-supplement

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Spatial distribution and chemical composition of soil organic matter fractions in rhizosphere and non-rhizosphere soil under European beech (Fagus sylvatica L.)

Autor: Carsten W. Mueller, Gerrit Angst, Kristina Kirfel, Ingrid Kögel-Knabner, Dietrich Hertel

Publikováno v: Geoderma. 264:179-187

Little is known about how trees and their roots may influence the spatial distribution and chemical composition of soil organic matter (SOM) in subsoils with subsequent effects on soil organic carbon (SOC) storage and turnover. The aim of this study

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::47eb5c9fb9b8e1051bddfb82a1c46411
https://doi.org/10.1016/j.geoderma.2015.10.016

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Supplementary material to 'Which are important soil parameters influencing the spatial heterogeneity of 14C in soil organic matter?'

Autor: Stephan John, Gerrit Angst, Kristina Kirfel, Sebastian Preusser, Carsten W. Mueller, Christoph Leuschner, Ellen Kandeler, Janet Rethemeyer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b7821cacc85613db22d96db25602369
https://doi.org/10.5194/bg-2016-11-supplement

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Which are important soil parameters influencing the spatial heterogeneity of 14C in soil organic matter?

Autor: Gerrit Angst, Kristina Kirfel, Christoph Leuschner, Stephan John, Sebastian Preusser, Carsten W. Mueller, Janet Rethemeyer, Ellen Kandeler

Radiocarbon (14C) analysis is an important tool that can provide information on the dynamics of organic matter in soils. Radiocarbon concentrations of soil organic matter (SOM) however, reflect the heterogeneous mixture of various organic compounds a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::68e16c8fc84af141e6f4d561b87784ed
https://doi.org/10.5194/bg-2016-11

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