USGS Scientist Conducting Amphibian Research

We value input from members of state fish and wildlife agencies, universities, and our supporters. Following the original legislation that created the CRU Program (Public Law 86–686, 74 Stat. 733), all Unit research priorities are set locally at each Unit in consultation with Federal and State cooperators. Unit scientists and supervisors work with cooperators to help them identify their research...

Decline of amphibian populations worldwide has prompted an international effort to determine causes of decline in various locations and ecosytems. Some causes which have been suggested include habitat alteration, introduced species, disease, and environmental stressors such as ultraviolet radiation, agricultural chemicals in groundwater, and contaminants in atmospheric deposition. The Amphibian...