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What is an outbreak?• Biological Definition - Rapid and dramaticincreases in the abundance <strong>of</strong> an organismindependent <strong>of</strong> changes in the resource base• Ecological Definition - Increases in thedensities <strong>of</strong> organisms to a level above whichthe available resources can sustain.• Operational Definition for <strong>Crown</strong>-<strong>of</strong>-<strong>Thorns</strong>Starfish Outbreak - A population whichexceeds 200 <strong>starfish</strong> per hectare.
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