Category Archives: Salmon education

Releasing Salmon & Reporting

Posted on March 5, 2012 by Yakima Basin Environmental Education Program

You can release your salmon just before Spring Break if you aren’t going to be able to care for the fish during that time.  Release into the body of water listed on your WDFW Permit.  When you have finished, email … Continue reading →

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Predicting the hatch date of salmon using temperature units (TU)

Posted on January 8, 2012 by Yakima Basin Environmental Education Program

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 →

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Digging a redd – an astounding gravel moving operation!

Posted on September 23, 2011 by Yakima Basin Environmental Education Program

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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