date:Aug 16, 2012
tments. In addition, the treatment area is reduced as much as possible by the closure of fish ladders and the use of physical barriers where possible. Chemical treatments implemented either as pure rotenone treatments or using the combination method, where the acidic aluminum is used as the main chemical and rotenone as a supplement in peripheral areas.
The difference between the methods are roughly the rotenone treatments aim to eradicate the gyro by taking the life of the salmon, while the ac