Normal view MARC view

Ecosystem management -- United States.;Biodiversity conservation -- United States.;Biotic communities -- United States.;Natural resources -- United States.;Conservation of natural resources -- United States. (Topical Term)

This authority is not used in any records.
Preferred form: Ecosystem management -- United States.;Biodiversity conservation -- United States.;Biotic communities -- United States.;Natural resources -- United States.;Conservation of natural resources -- United States.

Machine generated authority record.

Work cat.: (OSt): Survey, Committee on the Formation of the National Biological. 29577, A Biological Survey for the Nation.