The former emphasize the act of moving whereas the latter discriminate between whether the movement has been ecologically significant or not.

But other sensitive and ecologically significant areas, particularly in the Rocky Mountains, remain vulnerable.

The program is intended to encourage the preservation of ecologically significant regions of the world.

A geodesic grid allows local to global assimilation of ecologically significant information at its own level of granularity.

They have been shown to be ecologically significant in many ways.

Although not related to armed conflict, the obligations under this convention to protect cultural or ecologically significant sites is of potential usefulness.

Kolleru Lake, one of India's most ecologically significant wetlands, lies partly within the district.

She also tells her passengers: "We are all ecologically significant.

The organization has seven regional offices and has helped protect more than 2.6 million acres (1 million hectares) of ecologically significant land throughout Canada.

The river catchment contains ecologically significant alpine wetlands.