Routine environmental DNA (eDNA) surveillance for invasive bighead and silver carp, conducted annually by the U.S. Fish and Wildlife Service, turned up a single positive sample in the St. Joseph River near the St. Joseph/Benton Harbor area.
Routine environmental DNA (eDNA) surveillance for invasive bighead and silver carp, conducted annually by the U.S. Fish and Wildlife Service, turned up a single positive sample in the St. Joseph River near the St. Joseph/Benton Harbor area.