Saving Baltic Porpoises - New Warning Devices on Nets
April 1, 2014![Schweinswale WDC](https://static.dw.com/image/17147407_800.webp)
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Although fishermen use devices that make warning sounds to try to frighten the animals away, these aren’t as effective as they should be. Now a marine biologist from the University of Kiel has developed a new device that he hopes will cut the number of porpoise fatalities dramatically.