DLNR press release (17 August 2010) - The use of native collector urchins to manage invasive seaweed on a patch reef in Kaneohe Bay - HEAR
Native collector sea urchins grazing on invasive algae in Kaneohe Bay.  This study showed that by augmenting the native urchin population, the Kappaphycus is effectively managed and the reef was kept clear of the smothering growth.

Native collector sea urchins grazing on invasive algae in Kaneohe Bay. This study showed that by augmenting the native urchin population, the Kappaphycus is effectively managed and the reef was kept clear of the smothering growth.

Urchinsgrazinginvasiveseaweed