Plant Species Richness in Montane Grasslands Affects the Fitness of a Generalist Grasshopper Species - Unsicker, Sybille B.; Franzke, Alexandra; Specht, Juliane; Köhler, Günter; Linz, Jeanine; Renker, Carsten; Stein, Claudia; Weisser, Wolfgang W. (Ecology, 2010)