Ungulate stimulation of nitrogen cycling and retention in Yellowstone Park grasslands.

Frank, D A; Groffman, P M; Evans, R D; Tracy, B F.

Frank DA; Biological Research Laboratories, Syracuse University, Syracuse, NY 13244-1220, USA e-mail: dafrank@mailbox.syr.edu Fax: +1-315-4432012, , , , , , US.
Groffman PM; Institute of Ecosystem Studies, Box AB, Millbrook, NY 12545-0129, USA, , , , , , US.
Evans RD; Biological Sciences, University of Arkansas, Fayetteville, AR 72701, USA, , , , , , US.
Tracy BF; USDA-ARS, Pasture Systems and Watershed Management Research Laboratory, Curtin Road, University Park, PA 16802, USA, , , , , , US.

Oecologia ; 123(1): 116-121, 2000 Apr.

Article en En | MEDLINE | ID: mdl-28308736