Table 3. Microplastic diversity integrated index.

Diversity	COM-P	COM-R	IND-R	COM-P+R
Shape	0.72	0.66	0.47	0.70
Colour	0.66	0.66	0.48	0.62
Size	0.66	0.69	0.60	0.66
MDII	0.68	0.67	0.51	0.10

Note:

Results from the Simpson’s diversity index for microplastic shape, colour, and size in road dust from commercial parking lots (COM-P; n = 4), commercial roadsides (COM-R; n = 4), and industrial roadsides (IND-R; n = 8) located in Iqaluit, Nunavut.