which was identified last year as the cause of a mass mortality event in the urchin species Diadema antillarum, is the same ...

In our warming oceans, marine species are moving into new areas and "re-engineering" or often destroying those ecosystems, ...

Urchins however are readily consumed by sea otters (keystone species), and by keeping urchin numbers low, otters assure that the kelp forest community remains intact. Bottom-up forces influence ...

1993). There are a number of other well-described examples where keystone species act as determinate predators. Sea otters (i) regulate sea urchin populations, which in turn feed upon kelp and ...

The data sets represent two of the most complete studies looking at the effect of keystone species on local ecosystems. Both research areas were mostly "urchin barrens"—sites where sea urchins ...

A group of microscopic sunflower sea star larva arrived at Shedd Aquarium last year and have been bulking up behind the ...

In our warming oceans, marine species are moving into new areas and 're-engineering' or often destroying those ecosystems, ...

New IMAS research has determined that overfishing – and eating – of one particular pest is helping to protect delicate marine ...

Commercial sea urchin fishery in Washington is strictly regulated ... managers use to track quotas and make sure we’re not overharvesting an area or species,” he said. “It can have a really traumatic ...

The data sets represent two of the most complete studies looking at the effect of keystone species on local ecosystems. Both research areas were mostly "urchin barrens" -- sites where sea urchins ...