The amount of energy, or biomass, at each trophic level decreases as it moves through an ecosystem. As little as 10% of the energy at any trophic level is transferred to the next level. The rest of ...

Marine ecosystems are increasingly exposed to a complex mixture of emerging contaminants, including micro- and nanoplastics, plastic additives, PFAS (per- ...

All organisms in an ecosystem are interconnected, and any imbalance in this complex relationship can have irreversible consequences for both humans and nonhumans. Numerous examples illustrate how the ...

A new study reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, showcasing the cascading effects predators can have on ecosystems. In Yellowstone ...

Researchers report that 148 years of fishing records in Canada's Lake Simcoe show that during a period of commercial fishing the mean trophic level of the catch declined, indicating depletion of ...

Plants obtain their energy from the sun. Other beings rely on eating to survive. Yet how does the energy flow inside ecosystems function and are there differences between ecosystems with many species ...