Stanislaus River (Caswell) - RST Monitoring

Juvenile Salmon.
Photo credit: Cory Starr (PSMFC)

Rotary screw traps are an essential tool in monitoring the abundance of juvenile salmonids. The data collected by the traps on the Stanislaus River at Caswell plays a vital role in monitoring juvenile migration timing and relative abundance in response to changes in corresponding reservoir operations, flows, and other environmental parameters.