We thank Davies et al. (2017) for their comments and welcome the opportunity to further discuss the role of early land plants in fluvial environments. Critically, Davies et al. (2017) note that although testable hypotheses exist for the possible role of early land plants they remain untested, and thus there is correlation (between an increase in meandering systems and early plants) without any mechanistic causation. In our paper (Santos et al. 2017) we challenged this causation, offering an alternative mechanism for increasing meandering channels based on a unique set of tectonic and environmental controls. It is important to...

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