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Citation. Strauss, S. Y. 1988. Determining the effects of herbivory using naturally damaged plants. Ecology 69(5):1628-1630. [1144 LTERCC]
Introduction. Much recent work has addressed the possibility that herbivory may be beneficial to plants (Wallace et al. 1985, Belsky 1986, McNaughton 1986, Paige and Whitham 1987). The true effects of herbivory can be difficult to assess, however, especially when plants damaged naturally are used to quantify these effects (Neuvonen and Haukioja 1985). In some studies, effects of herbivory are estimated only with simulated herbivory treatments; no naturally damaged plants are used in statistical comparisons (Edwards 1985, Paige and Whitham 1987). Implicit in this approach may be the authors' recognition that herbivores discriminate intraspecifically among host plants (Inouye 1982, Fox and Bryant 1984, Kinsman and Platt 1984, Edwards 1985, Danell et a. 1985a). In this note, I discuss methods used to measure the effects of browsing herbivores, because randomly assigned natural herbivory is difficult to obtain in these systems.
Keywords. herbivory, damaged plants, browsing herbivores