National Research Council (U.S.)., Committee on the Formation of the National Biological Survey.
Overview
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Titles
A biological survey for the nation
by:
Raven, Peter H.; United States., Dept. of the Interior.; National Biological Survey (U.S.); National Research Council (U.S.)., Commission on the Formation of the National Biological Survey.; NetLibrary, Inc.; National Research Council (U.S.)., Committee on the Formation of the National Biological Survey.
(Language materials, printed)
Subjects
Biotic communities- United States.
Diversidad biol漃gica- Conservaci漃n- EE. UU.
Recursos naturales- EE. UU.
Natural resources- United States.
Biological diversity conservation- United States.
Conservation of natural resources- United States.
Comunidades bi漃ticas- EE. UU.
Ecosystem management- United States.
Recursos naturales- Conservaci漃n- EE. UU.