In August 1990, Utah wildlife officials carried out one of the largest chemical fish-removal projects in fisheries history, wiping out almost every fish in Utah’s Strawberry Reservoir to save its collapsing ecosystem. The operation, led by the Utah Division of Wildlife Resources (UDWR) and described in publications from the American Fisheries Society and UDWR research reports, removed more than 99 per cent of the lake’s total fish biomass.

In August 1990, Utah wildlife officials carried out one of the largest chemical fish-removal projects in fisheries history, wiping out almost every fish in Utah’s Strawberry…

In 1990, Utah wildlife officials took the bold step of using rotenone to eradicate over ninety-nine percent of the fish biomass in the reservoir, which had suffered from invasive…