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Friends of Algonquin Park
The Science Behind Algonquin's Animals: Brook Trout Research
It is a difficult job to determine the population of fish in a lake. Using a mark-recapture method gives researchers an accurate estimate of the fish population in a lake. As a researcher, your job at this activity, is to capture Brook...
Other
Explore Learning: Estimating Population Size
Adjust the number of fish in a lake to be tagged and the number of fish to be recaptured. Use the number of tagged fish in the catch to estimate the number of fish in the lake. (Free usage is limited to five minutes per day.)