- Microbial Community Ecology and Physiology
- Freshwater macroinvertebrate diversity and ecology
- Fish Ecology and Management Studies
- Hydrology and Watershed Management Studies
- Animal Ecology and Behavior Studies
- Ecosystem dynamics and resilience
- Protist diversity and phylogeny
- Ecology and Vegetation Dynamics Studies
- Indoor Air Quality and Microbial Exposure
- Wildlife-Road Interactions and Conservation
- Environmental DNA in Biodiversity Studies
- Species Distribution and Climate Change
- Marine and coastal ecosystems
University of Duisburg-Essen
2023-2025
Trinity College Dublin
2023
Digital Research Alliance of Canada
2023
University Alliance
2023
Ruhr University Bochum
2023
Urban streams are exposed to a variety of anthropogenic stressors. Freshwater salinization is key stressor in these ecosystems that predicted be further exacerbated by climate change, which causes simultaneous changes flow parameters, potentially resulting non-additive effects on aquatic ecosystems. However, the and velocity urban still poorly understood as multiple-stressor experiments often conducted at pristine rather than sites. Therefore, we mesocosm experiment Boye River, recently...
The decline of river and stream biodiversity results from multiple simultaneous stressors, yet few studies explore responses across various taxonomic groups at the same locations. In this study, we address shortcoming by using a coherent data set to study association nine commonly occurring stressors (five chemical, one morphological three hydraulic) with five (bacteria, fungi, diatoms, macro-invertebrates fish). According on single groups, hypothesise that gradients chemical structure...
Abstract Microbial predator-prey interactions play a crucial role in aquatic food webs. Bacterivorous protists not only regulate the quantity and biomass of bacterial populations but also profoundly influence structure communities. Consequently, alterations both quality protist bacterivory can overall While it is well-documented that changes environmental conditions or occurrence abiotic stressors lead to shifts microbial community compositions, impact such disturbances on selection remains...
The decomposition of organic matter is essential for sustaining the health freshwater ecosystems by enabling nutrient recycling, food webs, and shaping habitat conditions, which collectively enhance ecosystem resilience productivity. Bacteria fungi play a crucial role in this process breaking down coarse particulate (CPOM), such as leaf litter, into nutrients available other organisms. However, specific contribution bacteria their functional interactions with sediments have yet to be...
Abstract Microorganisms play a key role in the functioning of healthy river ecosystems because they consume carbon and nutrients from dead biomass derived algae other higher organisms, or “necromass”, to feed it back into food web. This so-called microbial loop is known be substantial aquatic systems, but so far unknown which extent microorganisms perform self-recycling, i.e. recycling necromass microorganisms, how this process affected by multiple stressors such as increased temperature...
Abstract Microorganisms in river sediments are the primarily responsible organisms for turnover of dissolved organic carbon (DOC) these systems and therefore key players ecosystem functioning. Rivers increasingly threatened by multiple stressors such as salinization temperature rise, but little is known about how microbial DOC-degradation responds to whether this function recovers after stressor release. Here, we investigated direct indirect effects salinity increase decrease on communities...
Rivers are the lifelines of our planet. We depend on them for drinking water and food production, they home to many plants animals. Unfortunately, rivers under pressure from stressors like increasing temperatures, pollution, habitat destruction. often know how a single stressor impacts river, but when more than one is present at same time, consequences unpredictable. To protect now in future, we must understand what happens multiple time. However, it difficult doing aquatic life by just...