What is it about?
We tested whether the odor of trout hatchlings released at the traditional spawning sites would attract farm raised lake trout to the spawning sites. It did not.
Photo by Jon Sailer on Unsplash
Why is it important?
Farm raised lake trout stocked in the Great Lakes do not typically find their way to spawning sites and so do not reproduce effectively. If we knew how trout find their way to spawning sites, stocking efforts might re-establish viable populations.
Read the Original
This page is a summary of: Temporal constraints on the potential role of fry odors as cues of past reproductive success for spawning lake trout, Ecology and Evolution, October 2017, Wiley, DOI: 10.1002/ece3.3546.
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