The importance of kelp
![Sea otter, Vancouver Aquarium (Photo by Wikimedia Commons, Stan Shebs)](https://www.natureconservancy.ca/assets/images/blog/sea-otter-vancouver-aquarium-by-wikimedia-commons-stan-shebs-thumb.jpg)
Sea otter, Vancouver Aquarium (Photo by Wikimedia Commons, Stan Shebs)
Sea otters are a keystone species. They play an important role in the health and stability of near shore marine ecosystems. They eat sea urchins and other invertebrates that eat vast quantities of giant kelp. In the absence of sea otters, grazing...