(see a slideshow with detailed images of the organisms) Already they have gathered samples of 4-6 species of barnacles, starfish, urchins, anemones, amphipods, worms, mussels, limpets, snails, solitary tunicates and algae – and there are dozens of species overall. Scientists at Oregon State University’s Hatfield Marine Science Center said the cement float contains about 13 pounds of organisms per square foot. When debris from the 2011 earthquake and tsunami in Japan began making its way toward the West Coast of the United States, there were fears of possible radiation and chemical contamination as well as costly cleanup.īut a floating dock that unexpectedly washed ashore in Newport this week and has been traced back to the Japanese disaster has brought with it a completely different threat – invasive species. (Photo: Oregon State University Hatfield Marine Science Center) Workers remove marine organisms in order to corral invasive species from a derelict Japanese dock that washed up on Agate Beach.
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