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Touching Reefs, even slightly, can harm them. Boats and dropped anchors can cause severe damage to these fragile ecosystems. Frequent human contact kills the reefs ... Untreated or improperly treated sewage promotes the growth of algae, which harms coral reefs. ... Shock waves from blast fishing can destroy coral reefs.
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www.mbgnet.net/salt/coral/threats.htm
www.mbgnet.net/salt/coral/threats.htm
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Conservation of ocean environments, seas, coasts, the coral reefs and their magnicient diversity of marine animals and plants. ... Roughly one-quarter of coral reefs worldwide are already considered damaged beyond repair, with another two-thirds under serious threat. Major threats to coral reefs and their habitats include:
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www.panda.org/about_our_earth/blue_planet/coasts/coral_...
www.panda.org/about_our_earth/blue_planet/coasts/coral_reefs/coral_threats/
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Coral Reefs Are Dying Around the World ... Global Threats to Coral Reefs ... The 2004 edition of Status of Coral Reefs Around the World lists the following top 10 emerging threats (p.19) in these three categories:
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www.globalissues.org/article/173/coral-reefs
www.globalissues.org/article/173/coral-reefs
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2008. "Threats to coral reefs." In: Encyclopedia of Earth. Eds. Cutler J. Cleveland (Washington, D.C.: Environmental Information Coalition, National Council for Science and the Environment). [First published in the Encyclopedia of Earth October 18, 2007;
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www.eoearth.org/article/Threats_to_coral_reefs
www.eoearth.org/article/Threats_to_coral_reefs
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Bryant, Dirk, Lauretta Burke, John McManus, and Mark Spalding. Reefs at Risk: A Map-Based Indicator of Threats to the World's Coral Reefs. Washington, DC: World Resources Institute, 1998.
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www.biologyreference.com/Co-Dn/Coral-Reef.html
www.biologyreference.com/Co-Dn/Coral-Reef.html
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NOAA National Ocean Service Education: Corals: Natural Threats to Coral Reefs ... Natural Threats to Coral Reefs ... Coral reefs face numerous threats. Weather-related damage to reefs occurs frequently. Large and powerful waves from hurricanes and cyclones can break apart or flatten large coral heads,
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www.oceanservice.noaa.gov/education/kits/corals/coral08...
www.oceanservice.noaa.gov/education/kits/corals/coral08_naturalthreats.html
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Though the threats to coral reefs are many — habitat destruction, global warming, pollution and overfishing, to name a few — they can all be traced to human activity. ... Sea Change: Reversing Threats to Coral Reefs...
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advancement.sdsu.edu/marcomm/features/2007/corals.html
advancement.sdsu.edu/marcomm/features/2007/corals.html
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Humans are the source of many threats to coral reefs. Tourists may break off coral by kicking it as they swim by. Some people take healthy corals or coral parts for their own aquarium. Merely touching coral can cause harm.
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www.refugenet.org/CoralReefs/CoralThreats.html
www.refugenet.org/CoralReefs/CoralThreats.html
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Threats to Coral Reefs ... More than 450 million of the world's people live within 40 miles of coral reefs, with the majority directly or indirectly deriving food and income from them. Reefs are also visited by many millions of tourists; for example, reef-based recreation attracts over one million people to Florida and...
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www.seaweb.org/resources/briefings/coral.php
www.seaweb.org/resources/briefings/coral.php
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