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Report: Sonar fish study may affect whales |
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The sonar-based technology that has shown promise in improving fish
stock assessment — now on a fast track for $1.3 million in state funding
that could help solve the mystery of disappearing cod — has also been
found to affect the behavior and singing of whales.
Humpback whales "sang less" and possibly swam away from the pings of the Ocean Acoustic Waveguide Remote Sensing technology — or OAWRS — system during a 2006 test to find and quantify schools of pelagic fish in the nearby Stellwagen Bank National Marine Sanctuary, according to a newly published research article in PLoS One, for Public Library of Science One. Read the complete article by Richard Gaines in The Gloucester Times
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MICHAEL CONATHAN: Ocean Warming Means A New Paradigm For The World’s Fisheries
May 20, 2013 -- Fishing is a profession often passed down from one generation to the next. Many lobstermen in Maine fish the same bottom their fathers and grandfathers fished, and the same holds true of fishermen father offshore as well. Yet increasingly, anecdotal evidence has suggested that the old faithful fishing spots are no longer quite so reliable.
