Global Atmospheric Change and Trophic Interactions: Are There Any General Responses?
Plant Communication from an Ecological Perspective
Increasing atmospheric CO 2 is hypothesized to alter plant physiology and metabolism, which may have important implications for species interactions. In this chapter, we review published studies on the effects of elevated atmospheric CO 2 on plant-derived allelochemicals and the possible effects of CO 2 -mediated changes on higher trophic levels such as herbivores, parasitoids, and predators. We provide a critical assessment of conventional ecological theories used to predict phytochemical
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