Seaweeds and Seagrasses

Trip aboard the Centennial - Friday Harbor

 

World wide there are 7000 estimated seaweeds, 4000 microalgae and 50 seagrasses.  Here in the Pacific Northwest we have an estimated 700 of these species making our area one of the richest in seaweed biodiversity in the world.  (Harbo, 1999)

Sites visited:

Fox Island - South Puget Sound

Willapa Bay - WA Outer Coast

Trip aboard the Centennial - San Juan Island

Argyle Lagoon - San Juan Island

False Bay - San Juan Island

Cattle Point - San Juan Island

Salt Creek - Olympic Peninsula

Sokal Point - Olympic Peninsula

3

Photo by Holly.

The Centenial at the dock. U.W. Friday harbor labs, San Juan Island, WA

2.

Photo by Bonnie: The catch after the rocky trawl

Photos by Bonnie: Soft bottom trawl 1, 2, 3, yikes!

 

Species list for algae found during our trip aboard the Centennial


Rocky Trawl: unknown succulent brown or red algae


Soft substrate trawl: no algae

 

green   red   brown
   

 

sea grass

 

purple sea star

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