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Capture Efficiency of Various Species and Sizes of Drift Macrophytes by Red Urchins, Strongylocentrotus franciscanus
(Friday Harbor Laboratories, 2013-06)
In the San Juan Islands, drift macrophytes from shallow waters represent a significant spatial subsidy provided to the subtidal zone. This organic matter is a potential food source for deep dwelling herbivores like the red urchin Strongylocentrotus franciscanus. Little is known about how urchins capture and use drift material. ...