Humans have effectively transported thousands of species around the globe and, with
accelerated trade; the rate of introductions has increased over time. Aquatic ecosystems seem at …

Environmental DNA (eDNA) metabarcoding (parallel sequencing of DNA/RNA for identification
of whole communities within a targeted group) is revolutionizing the field of aquatic …

River and stream biofilms in mediterranean fluvial ecosystems face both extreme seasonality
as well as arrhythmic fluctuations. The hydrological extremes (droughts and floods) impose …

… The shear tests were carried out on different fabrics at increasing times and corresponding
energy densities (1 s = 1.6 kJ/L, 15 s = 24 kJ/L, 30 s = 48 kJ/L, 60 s = 96 kJ/L, 120 …

… Samples were diluted (1:10, v/v) and run at low flow rates to keep the number of events
below 500 s − 1 in order to reduce the probability that two or more particles could pass together …

In the semiarid Mediterranean regions, water scarcity represents a common physiological
stress for microbial communities residing in river sediments. However, the effect of drying has …

… Physical detachment was subsequently performed by mild sonication on ice (20–35 W for
60 s, Microson XL2000 ultrasonic liquid processor with 1.6 mm diameter microtip probe – …

Antibiotics are emerging contaminants, which wing to their bioactivity, may lead to short-term
and long-term alterations of natural microbial communities in aquatic environment. We …

… PCR was performed in the following thermal cycles: initial denaturation at 94C for 5 min; 25
cycles at 94C for 30 s, 51C for 30 s and 72C for 60 s; and a final extension at 72C for 10 min. …

… l s −1 . Site 7 is a headwaters spring which flows permanently, and the measured flow in
summer was 0.2 l s … ± 0.9 l s −1 ) and the water body was uninterrupted along the fluvial network. …