Easements have proved to be a very effective means of encouraging land conservation and habitat preservation.

It is habitat preservation, achieved by hard, tedious work, like lobbying, legislating and fund-raising.

These include pollution, land use, and habitat preservation.

Attempts to raise the population of the goldline darter will focus on habitat preservation and water quality improvement.

Wildland goals may be further resisted because of endangered species protections and habitat preservation.

The upward trend was caused by conservation measures, including habitat preservation.

There needs to be concerted open-space and habitat preservation.

Most governments and wildlife institutions are philosophically opposed to such programs, feeling that all the limited funds available should be put into habitat preservation.

His environmental message focuses on how animals adapt and what is being done about habitat preservation.

He drew attention to the despoliation occurring in what was considered the last great hope for large-scale habitat preservation.