In the absence of sea otters, sea urchin populations burgeoned and grazed down the kelp forests, at the extreme creating "urchin barrens," where the kelp was completely eradicated. The interrelationsh...In the absence of sea otters, sea urchin populations burgeoned and grazed down the kelp forests, at the extreme creating "urchin barrens," where the kelp was completely eradicated. The interrelationships among these species and the changes that reverberate through systems as species are removed are mirrored in other ecosystems on the planet, both aquatic and terrestrial.
In the absence of sea otters, sea urchin populations burgeoned and grazed down the kelp forests, at the extreme creating "urchin barrens," where the kelp was completely eradicated. The interrelationsh...In the absence of sea otters, sea urchin populations burgeoned and grazed down the kelp forests, at the extreme creating "urchin barrens," where the kelp was completely eradicated. The interrelationships among these species and the changes that reverberate through systems as species are removed are mirrored in other ecosystems on the planet, both aquatic and terrestrial.
