Scientists use DNA to track the spread of species in major river mouths and coastal tributaries along a 1,000-kilometre stretch of the NSW coastline — revealing some surprising results.

That has worsened a trifecta of troubles—bark beetles, wildfires, and invasive plants such as cheatgrass—doing visible harm to the plant life covering three-fourths of the park.

Video Quality Speed 00:00 03:04 Wisconsin DNR partners with local anglers to monitor white bass in Fremont, May 30, 2025.