Figure 1. Procedures used in systematic literature review for articles examining herbivore effect on or response to, in regard to forage selection, plant traits in grassland ecosystems. Key data retrieved from each article is also shown within their categories, publication, geographic and land use, plant, trait and sampling details. A full list of the type of data collected is available in Appendix A and B. ¹ Plant trait response to herbivory.² Herbivore selection response to plant traits.