The official website of the Elkhorn Slough Foundation and Elkhorn Slough National Estuarine Research Reserve
Elkhorn Slough Research: Invertebrate Invasions
Elkhorn Slough Invertebrate Invasions Research
This orange sponge is an invasive species
(Hymeniacidon sinapium) that was likely introduced to the
slough with commercial oyster culturing.

K. Wasson, together with collaborators from University of California Santa Cruz, has documented extensive invertebrate invasions of Elkhorn Slough. Some of these invaders arrived on cultured oysters, while others arrived via intraregional transport from highly invaded ports such as San Francisco Bay.

Download an article which contains the complete results (368KB / PDF).

Wasson has also collaborated with M. Tamburri (from the Monterey Bay Aquarium Research Institute) to test a novel method of treating ballast water, which may simultaneously benefit ship owners and reduce marine invasions. Download an article discribing this method (305KB / PDF).






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This site is maintained by the Elkhorn Slough Foundation in partnership with the Elkhorn Slough National Estuarine Research Reserve