Due to a lack of extensive wetlands attractive to waterfowl, such species are comparatively less common.

The majority of the formerly extensive wetlands have been subject to drainage schemes and agricultural improvement.

What they found was little more than secluded acreage on the edge of extensive wetlands.

It incorporates extensive wetlands and is a community recreation facility.

The watershed includes extensive wetlands, some of which are in the process of restoration.

Water in the river is clear due to extensive wetlands.

These are some of the more extensive wetlands along the upper river.

"You can get a fairly extensive wetland by just 18 inches of stone wall," he said.

The final 2 km before Woodstock is through an extensive wetland.

The lake coast is dominated by extensive wetlands mainly at its feeding zone.