They can be home for rare, threatened or endangered species. Our domesticated livestock, food crops, pets and garden flowers all have their roots in the natural world. We have used only a tiny fraction of the world's plants and animals in this way. Natural areas can be valuable educationally as outdoor classrooms, settings for nature interpretation activities and places for individual nature study and appreciation. The simple beauty of some can provide pleasure and inspiration.
Natural areas are also part of our cultural heritage.
A region's history and culture are influenced by the surrounding natural environment. In fact, some of the roots of our uniquely American culture may be exposed in natural areas. Natural area managers aim to maintain or enhance the natural quality of the ecosystem. This is accomplished in a variety of ways. On some areas, natural forces are allowed to shape the plant and animal communities without intervention.