Invasive alien species don’t only drive out other native species, they also dramatically transform soils, water and ecosystems. A new assessment tool aims to pinpoint the negative environmental ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

Healthy ecosystems are essential for human well being, as they provide invaluable functions and services including sustaining living marine resources. The health of ecosystems is therefore not only ...

Sea urchins climb onto kelp when their densities are so high they remove all drift kelp and then actively forage on attached, living kelp. (Credit: Steve Lonhart / NOAA MBNMS) Tipping points are the ...

Large amounts of filamentous algae, known as FAB, are appearing in Western U.S. waterways. Researchers report findings about these plant-like organisms in the Dec. 9, 2025, issue of the journal ...