YBEEP Board of Directors
Frank Sweet, President
Julie Bradley, Vice President
Marsha Flamm, Treasurer
Bob Tuck, Secretary
Bill Bradley
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Category Archives: Salmon education
Predicting the hatch date of salmon using temperature units (TU)
When we delivered the eggs they had accumulated approximately 756 Temperature Units (TUs) up until you received them. Fall Chinook salmon eggs need about 900 Accumulated TUs (ATUs) to begin hatching. Subtract 756 from 900. 900-756 = 144 TUs = … Continue reading
Digging a redd – an astounding gravel moving operation!
In the banner photo above, a female spring Chinook salmon is digging a depression in the 2-4 inch gravel in the riverbed with her tail. She will then deposit some of her eggs in this depression, move above it, & … Continue reading
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