Fig. 3
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Relationship between water temperatures of Lake Huron and Lake Erie and rate of inter-lake hybrids. Each graph shows the day of the year in the fall when the water temperature first falls below 8 °C for each year in the study versus the estimated proportion of inter-lake hybrids in each year. Each point is represented by the year in which data were collected (NOAA, 2023; https://coastwatch.glerl.noaa.gov/marobs/marobs.html).
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