Our work differs from previous empirical tests of food-chain theory in four important ways. First, we collected data from lakes along independent gradients of productivity and ecosystem size.

To be sure, the Great Lakes ceased to be a wholly natural ecosystem long ago ... By the 1950s, the most important fish in the native food chain -- lake trout, ciscoes and spiny sculpins ...

In the long term, this could lead to food shortages at Lake Victoria ... produce oxygen and form the basis of the food chain in many water ecosystems. If a lack of silicon occurs, the diatomaceous ...

avian and terrestrial food webs, however, was not previously documented. Effects of introduced predators such as the lake trout were thought to weaken across ecosystem boundaries. Instead ...

but has also contributed to a die-off of fish and species up the food chain. A 2011 NWF report that looked at the "boom and bust" of the Great Lakes ecosystem found that 95 percent of the biomass ...

June 12 (UPI) --The highly potent pesticide DDT was banned more than a half-century ago, but the toxic chemical persists in lake ecosystems and continues to impact freshwater food chains ...

If what happens in the lab also happens in the environment, their findings would have implications for the Great Lakes ecosystem, food chain and water quality since microplastics continue pouring ...

California’s fires disrupt lake ecosystems, and mountain lakes like ... nutrient cycles and could have ripple effects up the food chain. When it comes to ash being deposited in lakes, impacts ...