Wetland ecology : principles and conservation / Paul A. Keddy. Keddy, Paul A., 1953- Wetland ecology. Wetland conservation. QH541.5.M3 K44 2000 577.68 21 KEW Includes bibliographical references (p. [543]-593). Cambridge, UK ; New York, NY : Cambridge University Press, 2000. 2000. 2000 Text xiv, 614 p. : http://www.loc.gov/catdir/description/cam0210/99045443.html http://www.loc.gov/catdir/toc/cam026/99045443.html eng Cambridge studies in ecology