The effects are more pronounced above the tidal zone than where the concrete is permanently submerged.
The dam was the lowest hydropower site built on the river, just above the tidal zone.
These small snails live in the tidal zone of rocky shores.
These marked the tidal zone; above it green burst out everywhere.
It is commonly found in the high tidal zone and the splash zone.
While the preliminary dig is ongoing Ross shoulders much responsibility including keeping the aircraft safe in a tidal zone.
Often refuse was placed in unusable areas just outside the city, such as wetlands and tidal zones.
The seaweed and surf grass are able to grow father up the tidal zones.
They built low fences in the tidal zone.
Fifteen percent of the bay's tidal zones are closed to clam and mussel digging.