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Humpback whales visit California to feed in the summer and autumn before migrating south
15 to reproduce off the coast of Mexico. They are the world's most endangered among their species.
An estimated 35,000 to 40,000 remain in the wild. The Marine Mammal Center says the main
threats facing humpback whales are strikes from ships and getting caught in fishing and waste
equipment.
The Whale Safe system is designed to identify and protect several different species,
20 including humpback, blue, fin and gray whales. It uses three methods to do so. First, it uses
devices that float - known as buoys - to record sounds the whales make. Second, it uses
computer models to process current and historical ocean data to predict where the whales are
most likely to be. Third, it permits trained observers and citizens to report whale sightings
through a mobile app. Developers of the system say the expansion of Whale Safe to San
25 Francisco demonstrates that the system can be successfully used in more places in the United
States and around the world.
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1月30日
Jeff Boehm is a leader of the Marine Mammal Center. He said the Whale Safe system
combines the latest technology with thoughtful conservation efforts "to create a solution to
reduce risk to whales." Boehm added, "This is ( 2 ) tech meets Mother Nature for the benefit
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30 of marine life."
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Douglas McCauley is director of the Benioff Ocean Science Laboratory. He said in a
Lilline of whales hv ship strikes is "an avoidable problem." "We can't any
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