Environmental Limitations to Vegetation Establishment and Growth in Vegetated Stormwater Biofilters

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Environmental Limitations to Vegetation Establishment and Growth in Vegetated Stormwater Biofilters

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dc.contributor.author Mazer, Greg
dc.date.accessioned 2011-12-30T23:28:35Z
dc.date.available 2011-12-30T23:28:35Z
dc.date.issued 1998
dc.identifier.uri http://hdl.handle.net/1773/19554
dc.description.abstract Over 100 bioswales have been constructed in King County over the past ten years to treat runoff associated with residential, commercial and light industrial development. Water level fluctuation, long-term inundation, erosive flow, excessive shade, poor soils, and improper installation are the most common causes of low vegetation survival in these swales. The relative importance of these limiting factors may vary widely from swale to swale. This study was designed to identify those factors that most influence vegetation establishment and growth, so that recommendations can be made to improve future biofiltration swale design and performance. The presumed relation between vegetation abundance and bioswale performance was also investigated. Environmental conditions were examined for eight biofiltration swales in King County, Washington, to determine the relative importance of the various factors influencing vegetation establishment and growth. Three of these swales were regraded, retrofitted with new soil, and hydroseeded in September 1996. A nested two-factorial greenhouse experiment tested the response of four turfgrass species, commonly seeded in bioswales, to four moisture regimes (three inundation schedules plus a control). en_US
dc.description.sponsorship Stormwater Technology and Training Consortium of the Center for Urban Water Resources Management; King County Water and Land Resources Division; Center for Streamside Studies in the College of Forestry at the University of Washington en_US
dc.language.iso en_US en_US
dc.publisher University of Washington Center for Urban Water Resources Management en_US
dc.subject bioretention areas en_US
dc.subject urban runoff en_US
dc.subject urban areas en_US
dc.subject water pollution en_US
dc.subject biofiltration en_US
dc.subject plant establishment en_US
dc.subject greenhouse experimentation en_US
dc.subject Washington en_US
dc.subject stormwater en_US
dc.subject stormwater management en_US
dc.title Environmental Limitations to Vegetation Establishment and Growth in Vegetated Stormwater Biofilters en_US
dc.type Technical Report en_US


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