To track the sources of mercury pollution across wildlands in the U.S., scientists have turned to an unlikely indictor: dragonfly larvae. As mercury settles in water and soil, it is taken up by ...

Various forms of mercury are released naturally by volcanoes and weathering of rocks and soil. Human activities, such as mining or burning fossil fuels, can also release the element into the ...

Dragonfly larvae sampled from Cape Cod and Minuteman National Historical Park recently helped tell a much bigger story about mercury pollution in the U.S. A national study published this week in the ...

The Lockport Prairie Nature Preserve provides a summer home for a small group of an endangered species of dragonflies born and raised in a biology lab in South Dakota. A team of ecologists with the ...

A years-in-the-making model developed by the National Park Service and U.S. Geological Survey could offer a deeper look at mercury concentration levels on federal lands across the country — including ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Ecologists often rely on health data of fish and bird populations to ...

With 360-degree vision, bright-colored bodies that sparkle jewel-like in the sun and acrobatic flight patterns reaching speeds of nearly 35 miles per hour, dragonflies are some of the more glamorous ...

This is a preview. Log in through your library . Abstract Cannibalism is likely to operate as a form of population control in dragonfly larvae. I performed aquarium experiments to investigate the ...

Occurred on March 6, 2019 / Dohr, Germany Info from Licensor: "My name is Lothar Lenz, and I am a biologist and wildlife photographer from the Eifel region in Germany. My work focuses on documenting ...

This is a preview. Log in through your library . Abstract Dragonfly larvae (Odonata: Anisoptera) are often abundant in shallow freshwater habitats and frequently co-occur with predatory fish, but ...