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Community‐level plant palatability increases with elevation as insect herbivore abundance declines

Descombes, Patrice ; Marchon, Jérémy ; Pradervand, Jean-Nicolas ; Bilat, Julia ; Guisan, Antoine ; Rasmann, Sergio ; Pellissier, Loïc

In: Journal of Ecology, 2017, vol. 105, no. 1, p. 142–151

Plants protect themselves against herbivore attacks through a myriad of physical structures and toxic secondary metabolites. Together with abiotic factors, herbivores are expected to modulate plant defence strategies within plant assemblages. Because the abundance of insect herbivore decreases in colder environments, the palatability of plants in communities at higher elevation should shift...