Ecosystems

Ninety percent of Oregon’s small dams are more than a half a century old, and some are falling apart.

Reflections from Deep Rover.

New tools allow scientists more precision in measuring water quality.

Twenty years of negotiations among tribes and irrigators have created a plan to sustain both salmon and crops, and OSU researchers and graduates help make it happen.

Researchers are developing new genetic tools to sort out salmon in the ocean and help fishermen target healthy stocks and avoid endangered ones.

A consortium of scientists helps residents in Oregon’s most populated region plot their shared future.

An experiment in Central Oregon taps an unexpected source of water.

Capturing caterpillars and butterflies in photography.

Green roofs are hard-working landscapes on the Portland skyline.

New study reveals contamination in the world’s most remote places.