Human interaction has negatively impacted the hundreds of streams that run through Southern California. Man-made river and stream diversions, channeling, and damming have changed the physical and chemical characteristics of these waterways. In addition to physical impairments,...
Surface mining’s long lasting effects on Appalachian streams have long term effect on water quality and stream health.
Recent research shows how diatoms can reveal how impaired water quality is, and perhaps help even laypeople monitor for water quality.