Sonar Used in Project to Protect Grey Nurse Sharks
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By Anonymous  The New South Wales Department of Environment & Conservation (NSW DEC) has been using a 125 kHz GeoAcoustics GeoSwath Plus wide swath sonar system for habitat mapping within the state's network of Marine Protected Areas.
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Environmental groups call on Australia to classify the Coral Sea as a marine park to ward off illegal shark fishermen.
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By AUDREY McAVOY  HONOLULU - The Navy says it won't comply with sonar training restrictions that aim to protect marine mammals off the California coast, arguing that the commission that imposed the rules does not have the jurisdiction to do so.  The U.S.
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Science & environment: Operation underway to halt a feared invasion of rats from destroying important seabird breeding station
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Organizers of an Australian night surfing competition used an electronic shield for the first time to protect surfers from sharks, which might otherwise have thought competitors were an easy meal.
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Antibiotic-resistant bacteria have a sonar-like system that enables them to zero in on and destroy other bacteria or normal cells, says a study in the Dec. 24 issue of the journal Science.
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The same type of sound waves that pulsate from sonar fish-finders and ultrasound fetal monitors can dramatically boost the power of anti-clotting medicine and help it dissolve brain blockages in stroke patients, a study suggests.
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Science & environment: An armada of robot submarines and marine sensors are to be deployed across the Atlantic
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Norwegian scientists who explored the deep waters of the Atlantic Ocean said Thursday their findings &#151; including what appear to be new species of fish and squid &#151; could be used to protect marine ecosystems worldwide.
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A naval exercise off the Australian coast using submarine-hunting sonar could kill whales or cause them to become stranded, the International Whaling Commission warned in a report.
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By Thomas Watkins THE ASSOCIATED PRESS  SAN DIEGO -- Dozens of dolphins and sea lions trained to detect and apprehend waterborne attackers could be sent on a mission to patrol a military base in Washington state, the Navy said Monday.
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The great white shark, traditionally seen as an avid consumer of human flesh, is to be protected from the people it terrifies, an international wildlife conference decided yesterday.
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Researchers look to the shark's primitive immune system for better diagnostics and drugs.
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The United States on Monday proposed broad international measures to curb the slaughter of sharks in the Atlantic Ocean and encourage the study and preservation of threatened shark populations throughout the world.
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An international decision that it's illegal to cut the fins off of a shark and then dump the carcass is a great first step, but more is needed to protect sharks, experts say.
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A federal judge ordered the Navy on Thursday to adopt measures that would lessen the impact of sonar on whales and other marine life during exercises near Southern California.
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Environmental groups call on Australia to classify the Coral Sea as a marine park to ward of illegal shark fishermen.