A. sexdens is an ecologically important species, but also an agricultural pest.

In this situation, a land trust buys the property and places the ecologically important areas under a conservation easement.

It is surrounded by an ecologically important natural environment consisting of the coasts, beaches and hills.

Porter traveled extensively to photograph ecologically important and culturally significant places.

There are efforts under way to protect ecologically important lands along the river.

Large areas of preserved wetlands and forest are considered ecologically important to migratory waterfowl.

They are now protected by legislation in many countries to look after these ecologically important habitats.

The lake has evolved into an ecologically important area.

It is a small (200 species) but ecologically important primary producer in deep waters.

"But it's an ecologically important place, and people who go to bird watch shouldn't have to duck when they hear gunfire."