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Beginning in the 1990’s recovery programs throughout the Colorado River Basin have relied on PIT-tagging (Passive Integrated Transponder) as a way to individually mark fish and allows researchers to track fish over time and eventually provide population estimates. These population estimates are critical to determining the effects of management actions and ultimately lead to decisions on whether the fish populations can recover and be delisted. The goal of this project is to assist Reclamation in the continued technological development of fish-detection systems, specifically those related to PIT Tags and to assist in the analyses and storage of the data that is derived from these systems and how it relates to management of Reclamation facilities and waters.
