What Does The Presence Of Macroinvertebrates Mean?

What Does The Presence Of Macroinvertebrates Mean? Macroinvertebrates are organisms that are large (macro) enough to be seen with the naked eye and lack a backbone (invertebrate). They inhabit all types of running waters, from fastflowing mountain streams to slowmoving muddy rivers. Why do we need macroinvertebrates? Aquatic macroinvertebrates play a key role in nutrient