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Trees in bioswales reduce runoff and discharge and return stored water to the atmosphere. Transpiration from trees in bioswales at The Morton Arboretum parking lot in Illinois accounted for 46-72% of the lot’s total water output.

Scharenbroch, Bryant C., Justin Morgenroth, and Brian Maule. (2015). Tree Species Suitability to Bioswales and Impact on the Urban Water Budget. Journal of Environmental Quality.


Stormwater management, Bioretention, Permeable paving, Trees

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