Principal Scientists

• Walter J. Sadinski
  

Email: wsadinski@usgs.gov
Phone: 608-781-6337

• Scientific lead - Amphibian Research and Monitoring Imitative (ARMI)
• Research activities include:
  • Assess the status of amphibian and reptile populations in the Midwest region of the United States (ARMI program)
  • Evaluate the effects of climate change on North American amphibian populations (USA and Canada)

Consulting and Support Staff

• Mark Roth

Email: mroth@usgs.gov
Phone: 608-781-6306

• Provides field, laboratory, and office support