The 2011 Tohuku earthquake and tsunami in Japan sent plenty of debris across the Pacific. Boats, docks, and more ended up on Oregon beaches.
And they were occupied; not by people, but by species unknown on this side of the ocean.
How big an effect was it, and how common is "species rafting?"
These questions are explored in a recent report by scientists at the and the of Oregon State University. Nancy Treneman of OIMB and Jessica Miller and John Chapman from OSU visit with highlights.