Riparian Zones Increase Regional Species Richness by Harboring Different, not More, Species Sabo, John L. ; Sponseller, Ryan ; Dixon, Mark ; Gade, Kris ; Harms, Tamara ; Heffernan, Jim ; Jani, Andrea ; Katz, Gabrielle ; Soykan, Candan ; Watts, James ; Welter, Jill Abstract Publication: Ecology Pub Date: January 2005 DOI: 10.1890/04-0668 Bibcode: 2005Ecol...86...56S