sp00u1le2 - CORAL REEFS Unit 1 Lesson 2 Reef Surveys and...

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P ROJECT O CEANOGRAPHY S PRING 2000 18 C ORAL R EEFS Unit 1 Lesson 2: Reef Surveys and Deep Worker Lesson Objectives: Upon completion of this unit students should gain knowledge and understanding of: factors that cause physical damage to coral reefs the unique abilities of the submersible, Deep Worker, to explore great depths Vocabulary: groundings, submersible When Coral Reefs Get in the Way . . . High volumes of ship traffic occur in close proximity to many sensitive coral reef ecosystems around the world. Therefore, it is not surprising that large ships periodically run aground, causing extensive damage to valuable reef resources. Within the United States, coral-rich marine protected areas have had their share of groundings . In response to these accidents, and in order to minimize physical and biological damage to the only shallow-water coral reef system in North America, the United States Congress designated an "Area To Be Avoided" by vessels longer than 50 meters as they transit the Florida Keys National Marine Sanctuary (FKNMS). Unfortunately, this measure has not eliminated groundings in the sanctuary. On February 2, 1997, the containership, Contship Houston , ran aground in the FKNMS. An extensive coral salvage operation is currently underway to glue fractured coral heads together and right corals and sponges which were overturned during this most recent grounding.
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PROJECT OCEANOGRAPHY S PRING 2000 19 C ORAL R EEFS Deep Worker Deep Worker is a one-person submersible that is currently being used in the Sustainable Seas Expeditions. It allows a research scientist to remain underwater longer and to go deeper than he or she normally
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