Adorably fuzzy sea otters aren’t just cute. The marine mammals serve a crucial role, helping to restore the giant kelp forests they rely on by removing their top predators, the sea urchins.

Kelp forests tower above the ocean floor, with the large brown algae providing food and shelter for thousands of species. However, they are threatened by storms, pollution, warming waters, and ...

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The lush underwater forests of kelp that fringe the Pacific Coastline have long been vital to the region’s ecology. However, in recent decades, these vibrant ecosystems have faced significant threats.

A sea otter floating above ribbons of kelp is undoubtedly one of nature’s cutest scenes. It’s well known that the marine mammals help make these sea surface ‘pillows’ more abundant, by ...

When sea otters returned to islands along Southern California and British Columbia, researchers saw kelp forests revive. These forests had been wiped out by unchecked sea urchin populations. However, ...

A study last year strengthened the link between recovering sea otter populations and the long-term health of kelp forests – the towering brown algae that provide food and shelter for thousands of ...

kelp, and other species in California, which slowed down the influence sea otters had on the entire system. In short: sea otters in California didn't have as strong of an effect on sea urchins as they ...

When sea otters were reintroduced along the coastlines of islands in Southern California and British Columbia, researchers saw kelp forests return ... of the complex web interactions that took ...