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a Aerial view of the Jena Experiment, 14 June 2006. b Overview of three of the 81 plots with two cages each (4 June 2004). c,e Effects of grasshopper herbivory on a monoculture of Festuca rubra in August 2004. d,f Recovery of the monoculture in May 2005. c and d show control cages, e and f show herbivory cages. The white pots in c and e were used to measure deposition of oothecae in another experiment. a: © A. Weigelt, W. Voigt, C. Scherber/The Jena Experiment; b–f: © C.Scherber
