Intertidal Exploration at Centennial Beach
Repot by Cathy Walker On July 2, 2022, I participated in the Marine Biology field trip, led by Sheila Byers, to the intertidal zone at Centennial Beach in Delta. Sheila focused primarily on eelgrass, lugworms and bivalves. I learned a lot. The native eelgrass, Zostera marina, has the wider, longer leaves while the introduced species, Zostera japonica, has the narrower, shorter leaves. There is a lot of Z. japonica on the sandy mudflats of Centennial Beach. The native eelgrass prefers to be immersed in…