Staff with Evansville’s Wesselman Woods counts amphibians every March on warm rainy nights with citizen scientists. Annual ...

Presence of these species indicates there is a high level of water pollution. Water louse and red-tailed maggot are indicator species. They are able to live in water that is moderately to highly ...

Ohio is home to 25 species of salamander. An abundance of the amphibians — or lack thereof — can indicate the health of a particular area.

Mussels are also an indicator species of water quality and play an important role in rivers by filtering water constantly as they breathe and feed. They improve water quality by filtering out bacteria ...

This makes them good indicators species. Habitats and their quality are changing all the time because of human influence and natural processes. Impacts of agriculture, forestry, drainage of peatlands ...

"They are keystone species and indicators of undisturbed habitats," Mirza said in an interview with Mongabay. Their presence signals a healthy, biodiverse environment. Beyond their ecological ...

Lichen grow in exposed places such as rocks and can be used as an indicator species for air pollution. are commonly used to determine air pollution as many species will only grow in areas which ...