At left, photo of a biofilm coating underwater roots beneath a floating wetland. At right, variously shaped microscopic life-forms in biofilm as seen under a microscope.

Figure 4. Underwater view of root-biofilm matrix (left) (photo courtesy of IISD Experimental Lakes Area) and microscopic image of biofilm sample taken from a BioHaven® Floating Island (right).

At left, photo of a biofilm coating underwater roots beneath a floating wetland. At right, variously shaped microscopic life-forms in biofilm as seen under a microscope.

Photo courtesy of Floating Island International Inc.