Here, a Galápagos penguin is perched on the molten rock of the Isabela Islands. The authors captured this photo during an 2021 expedition to collect microplastics in the Galápagos Marine Reserve.

Here, a Galápagos penguin is perched on the molten rock of the Isabela Islands. The authors captured this photo during an 2021 expedition to collect microplastics in the Galápagos Marine Reserve.

Avian species serve as sensitive indicators of environmental contamination, with mercury exposure emerging as a critical concern across diverse ecosystems. Mercury, particularly in its organic ...

Alexander Piro successfully defended his PhD thesis titled "Temporal and spatial patterns in mercury concentration, bioaccumulation, and biomagnification in lake food webs” on October 31st, 2025.

Our research philosophy relies on the exploration of the mechanisms of chemical uptake, elimination, transformation and bioaccumulation in laboratory experiments and field studies. Mechanistic ...

Bioaccumulation occurs when toxins build up - or accumulate - in a food chain. The animals at the top of the food chain are affected most severely. DDT is an insecticide that was widely used in the ...