A citizen's guide to ecology / by Lawrence B. Slobodkin. Slobodkin, Lawrence B. Ecology. Nature Effect of human beings on. QH541 .S54 2003 577 SLC Includes index Includes bibliographical references (p. [215]-230). New York, N.Y. : Oxford University Press, c2003. c2003. 2003 Text [10], 245 p. : http://www.loc.gov/catdir/toc/fy038/2002072826.html http://www.loc.gov/catdir/enhancements/fy0613/2002072826-d.html http://www.loc.gov/catdir/enhancements/fy0724/2002072826-b.html eng