a new ecology for the twenty-first century Botkin, Daniel B. creator text New York Oxford University Press 1990 monographic xii, 241 p. : ill. ; 22 cm. Daniel B. Botkin. Includes index. Bibliography: p. 203-228. Nature conservation Natural history (General). Biology (General) Environmental protection Environmental policy QH75 .B67 1990 333.7/2 0195054911 (alk. paper) 89032890 http://www.loc.gov/catdir/enhancements/fy0635/89032890-d.html http://www.loc.gov/catdir/enhancements/fy0723/89032890-b.html http://www.loc.gov/catdir/enhancements/fy0635/89032890-d.html http://www.loc.gov/catdir/enhancements/fy0723/89032890-b.html UOEL 000 20170717120916.0 3872699