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Article: Food web woes.(shark population shrinks)(Survey)
- Article from:
- Science News for Kids
- Article date:
- April 4, 2007
- Author:
CopyrightCOPYRIGHT 2007 Science Service, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Sharks are scary--no doubt about it. Just ask anyone who's seen Jaws or other films that feature these sharp-toothed creatures.
But there's something that might be just as scary as meeting up with a shark--at least from an environmental perspective. It's the thought of what might happen if sharks disappeared from the oceans. That's because sharks are important players in delicate food webs, suggests a new study out of Canada.
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Fishing companies have been killing large sharks for decades. Sometimes they've done it on purpose, and sometimes they've done it by mistake. Because of these kills, the animals that sharks eat have ...