hello,
i found some threads at reefcentral you might find interesting.
http://www.reefcentral.com/vbulletin/showthread.php?s=&threadid=849&highlight=reef+destruction
http://www.reefcentral.com/vbulletin/showthread.php?s=&threadid=7448&highlight=reef+destruction
http://www.reefcentral.com/vbulletin/showthread.php?s=&threadid=237&highlight=reef+destruction
http://www.reefcentral.com/vbulletin/showthread.php?s=&threadid=849&highlight=reef+destruction