| http://www.w3.org/ns/prov#value | - <p>To lighten and remove a grounded vessel from a coral reef, ballast water may be discharged. <a href=http://www.eoearth.org/articles/view/156586/>Ballast water</a> may contain spores, eggs, larvae, or other life stages of marine life not indigenous to the reef ecosystem at the wreck site and, thus, may introduce these non-native organisms into areas where they can significantly alter the exist
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