text: Examples of biofiltration include:
  * Bioswales, biostrips, biobags, bioscrubbers, Vermifilters and trickling filters
  * Constructed wetlands and natural wetlands
  * Slow sand filters
  * Treatment ponds
  * Green belts
  * Green walls
  * Riparian zones, riparian forests, bosques
  * Bivalve bioaccumulation