They are also used to bind sea-sand to prevent erosion.

Republicans said the bill was necessary to prevent further erosion in the use of traditional corporate pensions.

There are terraces on the higher slopes of the hill to prevent erosion.

Let the ground freeze hard, leave it for six weeks, then mulch to prevent erosion.

This makes it quite difficult to see properly, but prevents further erosion.

They also work to prevent erosion and to control pollution.

These are important for preventing erosion of the coast.

Environmentalists' efforts to prevent further erosion have had off-and-on success.

A sea wall stretches along the foot of the cliffs to prevent further erosion.

This will prevent erosion while the ground cover is getting established.