![Microscopic pollen samples show biodiversity versus monoculture.](http://static.sciencelearn.org.nz/images/images/000/005/111/full/LAKES_ART_06_Pollen_fromNativeBushPastureAndPines.png?1675191843)
These examples of microscopic pollen samples show the array of spores found in a natural lake environment with lots of biodiversity compared to the near monoculture of spores from a lake surrounded by pasture or pine forest.
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Images courtesy of Lakes380 – Our lakes’ health: past, present, future.