A5012686763- Aquatic Ecosystems and Phytoplankton Dynamics
- Marine and coastal ecosystems
- Microbial Community Ecology and Physiology
- Fish Ecology and Management Studies
- Pharmaceutical and Antibiotic Environmental Impacts
- Species Distribution and Climate Change
- Marine Toxins and Detection Methods
- Water Quality Monitoring Technologies
- Aquatic Invertebrate Ecology and Behavior
- Ecology and Vegetation Dynamics Studies
- Environmental Toxicology and Ecotoxicology
- Environmental DNA in Biodiversity Studies
- Isotope Analysis in Ecology
- Effects and risks of endocrine disrupting chemicals
- Algal biology and biofuel production
- Hydrological Forecasting Using AI
- Marine Biology and Ecology Research
- Water Quality Monitoring and Analysis
- Ecosystem dynamics and resilience
- Aquatic Ecosystems and Biodiversity
- Biocrusts and Microbial Ecology
- Water Treatment and Disinfection
- Pesticide and Herbicide Environmental Studies
- Evolution and Genetic Dynamics
- Protist diversity and phylogeny
Swiss Federal Institute of Aquatic Science and Technology
2016-2025
ETH Zurich
2013-2024
PRG S&Tech (South Korea)
2024
Swiss Integrative Center for Human Health
2017
UNSW Sydney
2003-2016
John Wiley & Sons (United States)
2016
Ecological Society of America
2016
University of Insubria
2000-2006
Mario Negri Institute for Pharmacological Research
2005-2006
University of Milan
1999
A listing of “priority pharmaceuticals” for human use in Italy resulted the selection 26 pharmaceuticals, belonging to 11 therapeutic classes. They were analyzed by liquid chromatography−tandem mass spectrometry, their occurrence was assessed six sewage treatment plants (STPs), and loads removal rates (RR) studied. Total ranged from 1.5 4.5 g/day/1000 inhabitants influents 1.0 3.0 effluents. RR STPs mostly lower than 40%. Pharmaceuticals could be divided into three groups according behavior...
The potential risk associated with the presence of low levels pharmaceuticals in aquatic environments is currently under debate. In this study we investigated effects 13 drugs merged to mimic both association and concentration (ng/L) profiles detected environment. mixture comprised atenolol, bezafibrate, carbamazepine, cyclophosphamide, ciprofloxacin, furosemide, hydrochlorothiazide, ibuprofen, lincomycin, ofloxacin, ranitidine, salbutamol, sulfamethoxazole. At environmental exposure levels,...
Saxitoxin (STX) and its analogues cause the paralytic shellfish poisoning (PSP) syndrome, which afflicts human health impacts coastal economies worldwide. PSP toxins are unique alkaloids, being produced by both prokaryotes eukaryotes. Here we describe a candidate toxin biosynthesis gene cluster (sxt) from Cylindrospermopsis raciborskii T3. The saxitoxin biosynthetic pathway is encoded more than 35 kb, comparative sequence analysis assigns 30 catalytic functions to 26 proteins. STX initiated...
Climate change interacts with local processes to threaten biodiversity by disrupting the complex network of ecological interactions. While changes in interactions drastically affect ecosystems, how networks respond climate change, particular warming and nutrient supply fluctuations, is largely unknown. Here, using an equation-free modelling approach on monthly plankton community data ten Swiss lakes, we show that number strength fluctuate nonlinearly water temperature phosphorus. lakes...
With the goal of assessing environmental risk pharmaceuticals, we have previously observed that a mixture 13 different drugs at environmentally relevant concentrations had adverse consequences on human and zebra fish cells in vitro. Here aimed to identify both main interaction effects within same pharmaceuticals. We studied vitro cytotoxicity Escherichia coli, embryonic HEK293, estrogen-responsive OVCAR3 tumor using fractional-factorial experimental design. Our approach identified subset...
The goal of this study was to experimentally assess the coupling between primary producer biomass dynamics and distribution fate persistent organic pollutants (POPs) in a lake pelagic ecosystem. This done by following short-term evolution polychlorinated biphenyl (PCB) concentrations water biota (phytoplankton zooplankton) variability bioconcentration (BCF), biomagnification (BMF), bioaccumulation (BAF) factors during development typical spring ecological progression which phytoplankton...
Abstract The potential enviromental impact of iodinated (ICAs) and gadolinium-based contrast agents (GBCAs) have recently come under scrutiny, considering the current nonselective wastewater treatment. However, their rapid excretion after intravenous administration could allow recovery by targeting hospital sewage. GREENWATER study aims to appraise effective quantities ICAs GBCAs retrievable from patients’ urine collected computed tomography (CT) magnetic resonance imaging (MRI) exams,...
Abstract Rising temperatures are leading to increased prevalence of warm-affinity species in ecosystems, known as thermophilisation. However, factors influencing variation thermophilisation rates among taxa and particularly freshwater communities with high diversity population decline, remain unclear. We analysed compositional change over time 7123 6201 terrestrial, mostly temperate from multiple taxonomic groups. Overall, temperature was positively linked both realms. Extirpated had lower...
ABSTRACT Saxitoxins (STXs) are carbamate alkaloid neurotoxins produced by marine “red tide” dinoflagellates and several species of freshwater filamentous cyanobacteria, including Anabaena circinalis , Aphanizomenon spp., Lyngbya wollei Cylindrospermopsis raciborskii . A specific quantitative PCR (qPCR) method based on SYBR green chemistry was developed to quantify saxitoxin-producing which major bloom-forming cyanobacteria. The aim this study infer the potential toxigenicity samples...
High quality monitoring data are vital for tracking and understanding the causes of ecosystem change. We present a potentially powerful approach phytoplankton aquatic monitoring, based on integration scanning flow-cytometry characterization counting algal cells with multiparametric vertical water profiling. This affords high-frequency abundance, functional traits diversity, coupled environmental conditions growth over structure deep body. Data from pilot study revealed effects an disturbance...
We studied the effects of re‐oligotrophication and climate warming on plankton richness community stability over a period 30 years in deep mesotrophic Lake Zurich (Switzerland). assembled monthly time‐series phytoplankton zooplankton taxonomic richness, functional groups (species with similar traits) physico‐chemical environmental descriptors (temperature, conductivity, pH, P‐PO 4 3− , N‐NO 3 − light absorption). used multiple linear regression to test: 1) effect variability time depth...
We reconstructed cyanobacterial community structure and phylogeny using DNA that was isolated from layers of stratified sediments spanning 200 years lake history in the perialpine lakes Greifensee Lake Zurich (Switzerland). Community analysis based on amplification sequencing a 400-nucleotide (nt)-long 16S rRNA fragment specific to Cyanobacteria revealed operational taxonomic units (OTUs) capturing whole phylum, including representatives newly characterized clade termed Melainabacteria,...
Abstract Forecasting changes to ecological communities is one of the central challenges in ecology. However, nonlinear dependencies, biotic interactions and data limitations have limited our ability assess how predictable are. Here, we used a machine learning approach environmental monitoring (biological, physical chemical) predictability phytoplankton cell density lake across an unprecedented range time‐scales. Communities were highly over hours months: model R 2 decreased from 0.89 at 4...
The annually recurrent spring phytoplankton blooms in freshwater lakes initiate pronounced successions of planktonic ciliate species. Although there is considerable knowledge on the taxonomic diversity these ciliates, their species-specific interactions with other microorganisms are still not well understood. Here we present succession patterns 20 morphotypes ciliates during Lake Zurich, Switzerland, and relate abundances to genera, flagellates, heterotrophic bacteria, abiotic parameters....
Summary Global environmental change can influence ecosystem processes directly or through changes in the trait composition of natural communities. Traits are individual‐level features organisms, and theory predicts that diversity traits should relate to processes. Validated indices account for both intra‐ interspecific variation multidimensional space lacking. In this article, we highlight how an perspective requires new concepts ( TD ) validate a set measures suitable study richness,...
Occurrence and fate of glyphosate, a widely used herbicide, its main metabolite AMPA was investigated in Lake Greifensee, Switzerland. Monthly vertical concentration profiles the lake showed an increase glyphosate concentrations epilimnion from 15 ng/L March to 145 July, followed by sharp decline <5 August. A similar pattern observed for AMPA. Concentrations two tributaries generally were much higher than lake. Simulations using numerical model indicated that substantial amount dissipated...