In ecosystems around the world, big guys eat littler guys, who in turn eat plants and other organisms at the base of the food web. A study now finds that removing top predators in freshwater environments allows their prey to flourish — and overgraze on plants and algae. The result of the missing plant matter: a 90 percent reduction in uptake and storage of carbon dioxide… Source
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One-third of plant and animal species could be gone in 50 years, study says
A new study by University of Arizona researchers presents detailed estimates of global extinction from climate …