[HTML][HTML] Pathways of biogenically excreted organic matter into soil aggregates

T Guhra, K Stolze, KU Totsche - Soil Biology and Biochemistry, 2022 - Elsevier
Soil organisms are recognized as ecosystem engineers and key for aggregation in soil due
to bioturbation, organic matter (OM) decomposition, and excretion of biogenic OM. The …

Building Cross-Site and Cross-Network collaborations in critical zone science

B Arora, S Kuppel, C Wellen, C Oswald, J Groh… - Journal of …, 2023 - Elsevier
The critical zone (CZ) includes natural and anthropogenic environments, where life, energy
and matter cycles combine in complex interactions in time and space. Critical zone …

Carbon fixation rates in groundwater similar to those in oligotrophic marine systems

WA Overholt, S Trumbore, X Xu, TLV Bornemann… - Nature …, 2022 - nature.com
The terrestrial subsurface contains nearly all of Earth's freshwater reserves and harbours the
majority of our planet's total prokaryotic biomass. Although genetic surveys suggest these …

Redox gradients drive microbial community assembly patterns and molecular ecological networks in the hyporheic zone of effluent-dominated rivers

Y Wang, Y Wang, J Shang, L Wang, Y Li, Z Wang… - Water Research, 2024 - Elsevier
The impacts of effluent discharge on receiving waterbodies have been a research hotspot.
Nonetheless, limited information is available on the microbial community assembly patterns …

Terrigenous dissolved organic matter persists in the energy-limited deep groundwaters of the Fennoscandian Shield

H Osterholz, S Turner, LJ Alakangas… - Nature …, 2022 - nature.com
The deep terrestrial biosphere encompasses the life below the photosynthesis-fueled
surface that perseveres in typically nutrient and energy depleted anoxic groundwaters. The …

[HTML][HTML] Groundwater bacterial communities evolve over time in response to recharge

L Yan, SM Hermans, KU Totsche, R Lehmann… - Water research, 2021 - Elsevier
Time series analyses are a crucial tool for uncovering the patterns and processes sha**
microbial communities and their functions, especially in aquatic ecosystems. Subsurface …

Microbial community functioning during plant litter decomposition

SA Schroeter, D Eveillard, S Chaffron, J Zoppi… - Scientific reports, 2022 - nature.com
Microbial life in soil is fueled by dissolved organic matter (DOM) that leaches from the litter
layer. It is well known that decomposer communities adapt to the available litter source, but it …

Bolstering fitness via CO2 fixation and organic carbon uptake: mixotrophs in modern groundwater

M Taubert, WA Overholt, BM Heinze… - The ISME …, 2022 - academic.oup.com
Current understanding of organic carbon inputs into ecosystems lacking photosynthetic
primary production is predicated on data and inferences derived almost entirely from …

Groundwater microbial communities in times of climate change

A Retter, C Karwautz, C Griebler - Current issues in molecular biology, 2021 - mdpi.com
Climate change has a massive impact on the global water cycle. Subsurface ecosystems,
the earth largest reservoir of liquid freshwater, currently experience a significant increase in …

[HTML][HTML] In-situ fluorescence spectroscopy is a more rapid and resilient indicator of faecal contamination risk in drinking water than faecal indicator organisms

JPR Sorensen, J Nayebare, AF Carr, R Lyness… - Water Research, 2021 - Elsevier
Faecal indicator organisms (FIOs) are limited in their ability to protect public health from the
microbial contamination of drinking water because of their transience and time required to …