Plant Selection for Bioretention Systems and Stormwater Treatment PracticesAs cities develop, more land is converted into impervious surfaces, which do not allow water to infiltrate. Careful urban planning is needed to ensure that the hydrologic cycle and water quality of the catchment areas are not affected. There are techniques that can attenuate peak flow during rain events and reduce the amount of metals, nutrients, and bacteria that enter the urban water cycle. This brief gives a short introduction on bioretention systems and documents the effectiveness of some 36 plant species in removing water pollutants. A summary on the maintenance requirements is also presented. |
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bio-swales biofiltration bioretention cells bioretention system Bulbine catchment cattails cause/s Required maintenance Constructed wetlands Container Planting Desirable depth Desirable plant features Dracaenaceae erosion Euphorbiaceae excavated Family name filter media Flowerbed/Border Flowers Light preference Foliage Light preference forebay frequency Full Sun Water Function impediment gravel gross solids Groundcover impediment Likely cause/s infiltration trench inlet invasive species layer maintenance tasks Manicured LOA Maximum plant spread/crown Moderate Water Percentage mowing mulch needs and triggers Nitrate Removal Ornamental Flowers Light Ornamental Foliage Light Pennisetum Percentage of Nitrate perimeter permeable pavement Plant growth form Plant Selection plant species Planting Desirable plant Poaceae Poaceae Gramineae pollutant rain event rain gardens rubbish runoff Rustic LOA Sanchezia sand chamber sediment accumulation sedimentation basins sedimentation chamber Semi-Shade Water preference Serissa Shrub Herbaceous Shrub Maximum height Singapore smutzdecke soil stormwater treatment practices Sun Water preference swale Synonyms turf grass Water level wet pond wetland or wet wetlands and wet WSUL