Tim L. Welker, PhD
Tim L. Welker, PhD
Fishery Biologist
United States Army Corps of Engineers, Omaha District
Threatened and Endangered Species Section
PO Box 710
Yankton,
SD
USA
57078
Email:
tim.l.welker@usace.army.mil
Papers:
T-125-20
Association of Native Prey-Fish Abundance to Pallid Sturgeon Condition