Scientists tune in to the 'Voices Of The Landscape'
Lab experiments in Germany have found that noise interferes with bats that hunt for insects on the ground by listening for the sounds they make when scurrying around. Barber says people just don't think much about how noise is affecting wildlife. ...Barber agrees that it's time to study the ecology of sound and find out how it affects people and wildlife alike.
March 26, 2011
by Richard Harris
in National Public Radio
There's nothing new about studying animal sounds; biologists have been doing that for centuries. After all, if you want to understand birds, you need to understand how they communicate.
But Bryan Pijanowski is now asking his colleagues to take a huge step back and, metaphorically speaking, listen not just to the trees, but to the forest.
"We're trying to understand how sounds can be used as measures of ecosystem health," says Pijanowski, who teaches in the department of forestry and natural resources at Purdue University.
He and some colleagues have written a call to action in the journal BioScience. It's time, they say,... [continue via Web link]