Streams hide an underwater world of tiny insects in a fantastically varied web of life. Though largely hidden from human view by rushing waters, these aquatic communities are every bit as complex as ...

Researchers have used a series of artificial stream channels to mimic the behavior of headwater creeks under future climate change scenarios. They found that drier conditions shifted the life cycles ...

A study investigates the effects of oil and gas (OG) development on nearby streams. Activities associated with shale OG development, which has expanded rapidly over the past decade, pose potential ...

Forests and streams are separate but linked ecosystems, existing side by side, with energy and nutrients crossing their porous borders and flowing back and forth between them. For example, leaves fall ...

A tiny, vibrant world thrives along the rocky bottom of most streams. As sunlight filters through the water, mayfly nymphs, no larger than your fingernail, cling to algae-coated cobbles. Their ...

How do you diagnose a sick stream? Count its insects, according to Smithsonian biologist Don Weller. View more Ecosystems on the Edge videos and learn how you can ...