m
m
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<tr>
 
<tr>
 
<td>Total suspended solids</td>
 
<td>Total suspended solids</td>
<td>Sedimentation and filtration (e.g. Davis et al 2009)</td>
+
<td>Sedimentation and filtration (e.g. [[Overview for trees#References|Davis et al.]], 2009)</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
 
<td>Metals</td>
 
<td>Metals</td>
<td>Filtration of particulate metals, sorption of dissolved metals into mulch layer (e.g. Davis et al, 2009), plant uptake (e.g. Toronto and Region Conservation, 2009)</td>
+
<td>Filtration of particulate metals, sorption of dissolved metals into mulch layer (e.g. Davis et al, 2009), plant uptake (e.g. [[Overview for trees#References|Toronto and Region Conservation]], 2009)</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
 
<td>Nitrogen</td>
 
<td>Nitrogen</td>
<td>Sorption; uptake by microbes and plant material, uptake into recalcitrant soil organic matter (e.g. Henderson, 2008)</td>
+
<td>Sorption; uptake by microbes and plant material, uptake into recalcitrant soil organic matter (e.g. [[Overview for trees#References|Henderson]], 2008)</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
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<tr>
 
<tr>
 
<td>Pathogens</td>
 
<td>Pathogens</td>
<td>Filtration, UV light, competition for limited nutrients, predation by protozoa and bacterial predators (e.g. Zhang et al 2010)</td>
+
<td>Filtration, UV light, competition for limited nutrients, predation by protozoa and bacterial predators (e.g. [[Overview for trees#References|Zhang et al.]], 2010)</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
 
<td>Hydrocarbons</td>
 
<td>Hydrocarbons</td>
<td>Filtration and sorption to organic matter and humic acids, then degraded by soil microbes (e.g. Hong et al 2006)</td>
+
<td>Filtration and sorption to organic matter and humic acids, then degraded by soil microbes (e.g. [[Overview for trees#References|Hong et al.]], 2006)</td>
 
</tr>
 
</tr>
 
</table>
 
</table>

Revision as of 18:13, 22 October 2014

Summary of bioretention water quality cleansing mechanisms for common stormwater pollutants.
Link to this table

Pollutant Bioretention cleansing mechanism
Total suspended solids Sedimentation and filtration (e.g. Davis et al., 2009)
Metals Filtration of particulate metals, sorption of dissolved metals into mulch layer (e.g. Davis et al, 2009), plant uptake (e.g. Toronto and Region Conservation, 2009)
Nitrogen Sorption; uptake by microbes and plant material, uptake into recalcitrant soil organic matter (e.g. Henderson, 2008)
Phosphorus Sorption, precipitation, plant uptake, uptake into recalcitrant soil organic matter (e.g. Henderson, 2008)
Pathogens Filtration, UV light, competition for limited nutrients, predation by protozoa and bacterial predators (e.g. Zhang et al., 2010)
Hydrocarbons Filtration and sorption to organic matter and humic acids, then degraded by soil microbes (e.g. Hong et al., 2006)