ApocaDocs: UGA study reveals ecosystem-level consequences of frog extinctions

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Posted Thu Oct 16 2008: from University of Georgia:


	UGA study reveals ecosystem-level consequences of frog extinctions http://apocadocs.com/s.pl?1224178025 A University of Georgia study that is the first to comprehensively examine an ecosystem before and after an amphibian population decline has found that tadpoles play a key role keeping the algae at the base of the food chain productive.... Without tadpoles swimming along the streambed and stirring up the bottom, the amount of sediment in the stream increased by nearly 150 percent, blocking out sunlight that algae need to grow... The UGA research team is continuing to monitor the health of the streams to get valuable, long-term data. So far the stream has not rebounded. "It's still sad going back," Connelly said, to which Pringle added: "Once the frogs die, it's like an incredible silence descends over the whole area. It's eerie."

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'Doc Michael says:

Silent streams, silent screams.