Richard D. Zweifel, PhD

Fisheries Biology Supervisor
Inland Fisheries Research Unit; Division of Wildlife
Ohio Department of Natural Resources
10517 Canal Rd
Hebron, OH
USA 43025
Email: richard.zweifel@dnr.state.oh.us

Papers:
Improving Efficiency in Saugeye Production Using Cryopreserved Milt Understanding How Standardized Spring Electrofishing Surveys Index Reservoir Largemouth Bass Density and Size Structure