There is a total fire ban on the island because of ecological significance.

The ecological significance of an internationally important wetland was ignored.

The oxidation-reduction potentials of lake waters and their ecological significance.

If you want to talk about forest areas of ecological significance, let's figure out what those areas are.

All this gives the quarries an ecological significance which - whatever happens here - will, I think, be cherished.

She also mounted a successful environmental court challenge against a proposed quarry in a coastal area of high ecological significance.

Gilgais remain of great ecological significance as a source of water for animal and plant life.

Considering the ecological significance of the area, it was declared a sanctuary in 1983.

Migration between sub-populations, which again has potential ecological significance.

The ecological significance of this difference can hardly be overstated.