why those biofilms you slip on in rivers are vitally important
- Written by Paul McInerney, Senior Research Scientist, CSIRO

You might have noticed it after sliding on a rock in a Melbourne creek. Or it could have been wading through a Northern Territory waterhole. It’s slime, and our rivers are full of it. That’s a good thing.
Wherever there are hard surfaces like snags and rocks in our rivers, you’ll find slime. Or, as ecologists call...