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Asian Carp Spawning Areas Are More Varied Than Previously Thought: Study http://apocadocs.com/s.pl?1363866949
Asian carp are reproducing in more places and under more varied conditions than experts had believed they could, yet another reason to worry about the greedy invader's potential to infest waterways and crowd out native species, scientists said Tuesday.
Several varieties of carp imported from Asia have migrated steadily northward in the Mississippi River and its tributaries since escaping from Southern fish farms and sewage treatment ponds in the 1970s. They've been spotted in more than two dozen states. Bighead and silver carp gobble enormous volumes of plankton, a crucial link in the aquatic food chain, while silver carp sometimes collide with boaters by hurtling from the water when startled.
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[Read more stories about:
invasive species, koyaanisqatsi]
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