Articles | Volume 8, issue 1
https://doi.org/10.5194/soil-8-163-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/soil-8-163-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Pairing litter decomposition with microbial community structures using the Tea Bag Index (TBI)
Anne Daebeler
CORRESPONDING AUTHOR
Soil & Water Research Infrastructure (SoWa), Biology Centre CAS,
České Budějovice, Czechia
Centre for Microbiology and Environmental
Systems Science, Division of Microbial Ecology, University of Vienna, Vienna, Austria
Eva Petrová
Soil & Water Research Infrastructure (SoWa), Biology Centre CAS,
České Budějovice, Czechia
Elena Kinz
Open Science – Life Sciences in Dialogue, Vienna, Austria
Susanne Grausenburger
Federal College for Viticulture and Fruit Growing, Klosterneuburg,
Austria
Helene Berthold
Institute for Seed and Propagating Material, Phytosanitary Service and
Apiculture, Department for Seed Testing, Austrian Agency for Health and Food
Safety (AGES), Vienna, Austria
Taru Sandén
Institute for Sustainable Plant Production, Department for Soil Health
and Plant Nutrition, Austrian Agency for Health and Food Safety (AGES),
Vienna, Austria
Soil & Water Research Infrastructure (SoWa), Biology Centre CAS,
České Budějovice, Czechia
Institute of Soil Biology, Biology Centre CAS, České
Budějovice, Czechia
A full list of authors appears at the end of the paper.
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Jolanta Niedźwiecka, Roey Angel, Petr Čapek, Ana Catalina Lara, Stanislav Jabinski, Travis B. Meador, and Hana Šantrůčková
SOIL, 11, 735–753, https://doi.org/10.5194/soil-11-735-2025, https://doi.org/10.5194/soil-11-735-2025, 2025
Short summary
Short summary
Studies on how microbes use C in soils typically assume oxic conditions but often overlook anaerobic processes and extracellular metabolite release. We examined how O2 and Fe content affect C mineralisation in forest soils by tracking 13C flow into biomass, CO2, metabolites, and active microbes under oxic and anoxic conditions. Results showed that anoxic conditions preserved C longer, especially in high-Fe soils. We conclude that microbial exudates play a role in anoxic C stabilisation.
Julia Fohrafellner, Maximilian Lippl, Armin Bajraktarevic, Andreas Baumgarten, Heide Spiegel, Robert Körner, and Taru Sandén
Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2025-426, https://doi.org/10.5194/essd-2025-426, 2025
Preprint under review for ESSD
Short summary
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The first openly accessible Austrian near-infrared (NIR) Soil Spectral Library was developed, including over 2100 samples covering all Austrian environmental zones. The prediction of soil properties via partial least square regression showed potential, but the accuracy was insufficient compared to routine laboratory analyses. We encourage using the open Library as a foundation for further spectral analysis and modelling and we support future soil health assessments via spectroscopy.
Jörg Schnecker, Theresa Böckle, Julia Horak, Victoria Martin, Taru Sandén, and Heide Spiegel
SOIL, 10, 521–531, https://doi.org/10.5194/soil-10-521-2024, https://doi.org/10.5194/soil-10-521-2024, 2024
Short summary
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Microbial processes are driving the formation and decomposition of soil organic matter. In contrast to respiration and growth, microbial death rates currently lack distinct methods to be determined. Here, we propose a new approach to measure microbial death rates. This new approach to determine microbial death rates as well as dynamics of intracellular and extracellular DNA separately will help to improve concepts and models of C dynamics in soils in the future.
Maria Regina Gmach, Martin Anders Bolinder, Lorenzo Menichetti, Thomas Kätterer, Heide Spiegel, Olle Åkesson, Jürgen Kurt Friedel, Andreas Surböck, Agnes Schweinzer, and Taru Sandén
SOIL, 10, 407–423, https://doi.org/10.5194/soil-10-407-2024, https://doi.org/10.5194/soil-10-407-2024, 2024
Short summary
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We evaluated the effect of soil management practices on decomposition at 29 sites (13 in Sweden and 16 in Austria) using long-term field experiments with the Tea Bag Index (TBI) approach. We found that the decomposition rate (k) and stabilization factor (S) were mainly governed by climatic conditions. In general, organic and mineral fertilization increased k and S, and reduced tillage increased S. Edaphic factors also affected k and S.
Talia Gabay, Eva Petrova, Osnat Gillor, Yaron Ziv, and Roey Angel
SOIL, 9, 231–242, https://doi.org/10.5194/soil-9-231-2023, https://doi.org/10.5194/soil-9-231-2023, 2023
Short summary
Short summary
This paper evaluates bacterial growth in biocrusts after a large-scale mining disturbance in a hyperarid desert, using a stable isotope probing assay.
We discovered that biocrust bacteria from both natural and post-mining plots resumed photosynthetic activity but did not grow following hydration. Our paper provides insights into the effects of a large-scale disturbance (mining) on biocrusts and their response to hydration, with implications for biocrust restoration practices in Zin mines.
Nimrod Wieler, Tali Erickson Gini, Osnat Gillor, and Roey Angel
Biogeosciences, 18, 3331–3342, https://doi.org/10.5194/bg-18-3331-2021, https://doi.org/10.5194/bg-18-3331-2021, 2021
Short summary
Short summary
Biological rock crusts (BRCs) are common microbial-based assemblages covering rocks in drylands. BRCs play a crucial role in arid environments because of the limited activity of plants and soil. Nevertheless, BRC development rates have never been dated. Here we integrated archaeological, microbiological and geological methods to provide a first estimation of the growth rate of BRCs under natural conditions. This can serve as an affordable dating tool in archaeological sites in arid regions.
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Short summary
In this citizen science project, we combined a standardised litter bag method (Tea Bag Index) with microbiome analysis of bacteria and fungi colonising the teabags to gain a holistic understanding of the carbon degradation dynamics in temperate European soils. Our method focuses only on the active part of the soil microbiome. The results show that about one-third of the prokaryotes and one-fifth of the fungal species (ASVs) in the soil were enriched in response to the presence of fresh OM.
In this citizen science project, we combined a standardised litter bag method (Tea Bag Index)...