What is a tidal ecosystems?
A tidal ecosystem is a high tide is above the water and a low tide is undercover of the sea.
Why are they important?
Tidal ecosystems are important because for land animals sea animals wash up at the shore and the land animals eat them and make homes for animals.

Where can you find tidal ecosystems?
St. Kilda mangroves is a tidal ecosystem to north of Adelaide. Crabs barnacles brittle stars algae small fish Ray’s mussells sea snails.