Human toll. The human effect on rivers and streams and the food chain they support are closely tied to land use change, such as water diversion and regulation of flows due to dams.

As spring winds down, so concludes the migration of two species of fish that travel from the ocean to spawn in freshwater. While once abundant in rivers and streams, alewives and blueback herring ...

Perhaps a third of global food production is lost or wasted from field to fork along the food supply chain. Lost and wasted food means wasted water. While supply chain inefficiencies exist worldwide, ...

Each spring, alewife herrings return to spawn in New England rivers. In recent years, the removal of dams has led to a resurgence of the little fish that are a key part of the food chain.

Experimental nitrogen and phosphorus enrichment stimulates multiple trophic levels of algal and detrital-based food webs: a global meta-analysis from streams and rivers. Biological Reviews , 2020 ...

Fish caught in rivers in Bartholomew County contain significantly higher levels of toxic “forever chemicals” linked to cancer and other illnesses than samples of water from a municipal well ...

Microplastics – pieces of plastic less than 5 millimeters – were found in 55 juvenile northern hogsucker fish in tributaries of the Cheat, Ohio and Monongahela Rivers.

Nationwide, more than 60% of the water we use comes from rivers, streams and lakes. These waterways are continually under threat from pollution, development and climate change. CBS News&#039 ...

She offers the case of non-perennial rivers as an example of why it’s important to call attention to gaps in stream gauge data. “One disparity we see is in the monitoring of non-perennial rivers, ...

Each spring, alewife herrings return to spawn in New England rivers. In recent years, the removal of dams has led to a resurgence of the little fish that are a key part of the food chain.