Environmental DNA, or eDNA, can help us detect species by the traces they leave behind in their surroundings. This ...

Dolly Varden is a rare species of fish found in the Nooksack River basin ... primary tool of choice is an environmental DNA (eDNA) sampling kit. This tool enables them to infer species' presence ...

One of the 11 sites where eDNA sampling was conducted (top left ... using cutting-edge time-series analysis methods to estimate fish-fish interactions (right figure; arrows indicate interspecific ...

In the same way, a fish that swims through will leave a DNA 'trace' in the water, too," Li said. He explained that eDNA refers to DNA fragments released by organisms into the environment ...

When an organism, say a fish, moves through the environment it’s constantly ... For example, one of the key differences between eDNA sampling and visually or acoustically observing wildlife is that ...

Many of the scientists sampling tissue from animals and ... don’t shed a lot of DNA to begin with, making eDNA detection difficult. Some fish “don’t piss a lot,” Stuart-Smith said.

a bat specialist for the Arizona's Game and Fish Department. “By sampling the environment, eDNA gives us an additional tool for our toolkit." Every spring, Mexican long-nosed bats traverse a ...