Aquatic Environment  

Fish conservation using cost-effective technologies

ATET-Tech is an environmental consulting company focused on fish conservation at industrial water intakes including once-though-cooling, hydroelectric, irrigation, pulp & paper, and manufacturing.  ATET-Tech has experience evaluating different fish protection systems such as barrier nets, acoustic and light systems, fine mesh screens, fish pumps and fish return systems especially related to cost-effectiveness, biofouling, and strengths/weaknesses in mitigation control. ATET has also developed a new underwater LED device (Light Guidance Device, LGD) for fish management applications which has been designed to work alone or integrated with different fish conservation methods.

Latest News
ATET at the 2018 Power and Water Conference - October 2018

ATET-tech is one of two companies presenting information on fish passage technologies at the Power of Water Conference October 29-31, 2018. Niagara Falls, ON. The session is on integrating fish passage in retrofits and redevelopments at hydroelectric facilities. We look forward to meeting you there. 

Latest Hydro Review article

An excellent summary of research activities of the LGD technology has recently been published in the June 2018 Hydro Review magazine (pg- 70-77). It includes results from a variety of species including  sturgeon and American eels.

Two new publications for LGD in 2018

ATET-TECH scientists co-authored two new publications with academic researchers highlighting test results for attraction and repulsion of fish using the proprietary LGD systems. One publication entitled Behavioural guidance of yellow-stage American eel Anguilla rostrata with a light-emitting diode (LED) device was published in the Endangered Species Reserach. A second publication entitled Preferences of age-0 white sturgeon for different colours and strobe rates of LED lights may inform behavioural guidance strategies was published at the Environmental Biology of Fishes. Please contact us for copies of the publications. 

ATET granted a US Patent

ATET-TECH was granted a US patent for its invention entitled: Integrated Fish Diversion System and Lighting Device Used Therein. A total of nine different claims were granted. and the effective date is February 27, 2018.