SCDNR spotlights river health with fish survey at Jones Gap

South Carolina fisheries biologists used backpack electrofishing on the Middle Saluda River during the SC7 Expedition to show how fish monitoring helps gauge stream health. The July 9 demonstration at Jones Gap State Park highlighted native species found in Blue Ridge mountain waters and why the data matters for conservation.

Why it matters: - Fish communities give SCDNR a fast read on stream health because many species respond quickly to changes in water quality, habitat and environmental conditions. - The monitoring helps SCDNR spot potential problems early and guide conservation and management decisions for South Carolina waterways. - Mountain streams such as the Middle Saluda River support drinking water supplies, recreation, wildlife habitat and broader watershed health.

What happened: - S.C. Department of Natural Resources fisheries biologists conducted an electrofishing demonstration on the Middle Saluda River at Jones Gap State Park as part of the sixth-annual South Carolina 7 Expedition. - The demonstration took place July 9 and gave visitors a look at the scientific methods used to study and conserve freshwater resources. - The survey used backpack electrofishing equipment to temporarily stun fish with a controlled electrical current, then release them unharmed.

The details: - Biologists collected, identified, measured and documented native species before returning them to the stream. - The survey found native mountain stream fish including minnows, sculpins and other species adapted to cold, oxygen-rich Blue Ridge waters. - Many of the fish collected are rarely seen because they live beneath rocks and in fast-moving water. - SCDNR said each specimen is identified, measured and recorded during ongoing monitoring efforts. - The data collected from stream surveys helps SCDNR track changes in aquatic communities across the state. - The SC7 Expedition is a monthlong statewide effort highlighting South Carolina’s natural resources, conservation work and the people protecting them.

Between the lines: - The demonstration was as much public education as field research, giving visitors a close look at how biologists assess ecosystem health in real time. - Dr. Tom Mullikin, SCDNR director and SC7 Expedition leader, said fish sampling provides a snapshot of stream condition and helps biologists make informed conservation decisions. - The agency’s approach ties species diversity and population trends to broader environmental monitoring, not just individual fish counts.

What's next: - SCDNR fisheries biologists will continue using stream data from across South Carolina to support conservation strategies. - Ongoing monitoring is intended to protect healthy aquatic ecosystems for future generations. - SC7 will continue its monthlong statewide tour from the mountains to the sea, showcasing conservation efforts and natural resources across the state.

The bottom line: - In South Carolina’s mountain streams, fish are more than wildlife; they are indicators that help reveal whether the water is healthy.