Oecologia 1999 Mar;118(3):316-323
Department of Ecology, Ethology and Evolution, University of Illinois, 505 S. Goodwin Avenue, 515 Morrill Hall, Urbana, IL 61801, USA e-mail: Fax: +1-217-2444565, , , , , , US.
Studies were conducted on eight populations of scarlet gilia, Ipomopsis aggregata, across Colorado and in northern Arizona, to assess the fitness consequences of natural and simulated herbivory. To date, geographic studies have failed to incorporate treatment groups that included naturally browsed plants along with clipping treatments. The results presented here clearly demonstrate the importance of assessing, a priori, whether or not clipping experiments accurately reflect natural patterns of herbivory. Read More