Park rangers can tell how clean rivers and ponds are by studying the creatures that live in the water. They count macroinvertebrates - animals with no backbones - that are large enough to see without a microscope or other tool. Snails, crayfish, and most insects are macroinvertebrates.
Source
www.nps.gov
Water Quality Screenshots
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1 thought on “Water Quality”
This feels straight up like being in conservation class- I was with it till they wanted me to do math lol
This feels straight up like being in conservation class- I was with it till they wanted me to do math lol