A large dune system has formed past the high-tide mark.

They are the only large dune system (over 30 km2) in Japan.

The presence of a dune system mitigated the erosion in some areas.

As such, the work is incomplete and there are significant breaks in the dune system.

In active dune systems, the foredunes appear closest to the sea or other body of water.

The dune systems are also heavily interrupted by oil industry activities.

"If we put in a new dune system we want to make sure nobody builds on it."

Few undisturbed beach and dune systems exist on the Connecticut shore.

It also has the world's largest fresh water sand bar and dune system.

The habitat of this threatened species is restricted to the refuge's dune system and a few other small areas.