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. Author manuscript; available in PMC: 2015 Jan 12.
Published in final edited form as: Plant Cell Environ. 2014 May 6;37(8):1790–1809. doi: 10.1111/pce.12322

Figure 2.

Figure 2

Three typical BVOC flux dynamics: case a (dashed lines) shows BVOC prevalently produced and emitted in response to temperature, light and stomatal opening. During night hours, non-stomatal uptake takes place, and BVOC are metabolized or stored inside leaves; case b (solid line) shows flux dynamics of BVOC not produced by the vegetation, but undergoing cuticular deposition in the night hours and uptake through stomata during the light hours; case c (dotted line) shows flux dynamics of BVOC which are both produced and metabolized by plants, thus, the net flux depends on the compensation point which increases in response to oxidative stress. Ambient concentrations above or below the compensation point may turn leaves from a sink to a source, respectively.