![seining for fish in a watershed](/sites/g/files/dgvnsk8531/files/images/programs/research6.jpg)
Dams, diversions and other human uses such as grazing and logging have significantly altered the character of most California rivers --- radically changing flow patterns, channel topography, vegetation and habitat for aquatic species. In support of efforts to preserve water quality and riparian habitat, scientists from a variety of disciplines are applying their expertise to advance the fundamental science, tools and techniques of watershed restoration.