[[File:Stepped cells.png|550px|thumb|Stepped [[Swales|bioswales]] that incorporate strategic rock and vegetation placement can help decrease the volume and speed of runoff, providing erosion control.]] | [[File:Stepped cells.png|550px|thumb|Stepped [[Swales|bioswales]] that incorporate strategic rock and vegetation placement can help decrease the volume and speed of runoff, providing erosion control.]] |