Researchers coined the term to describe the interactions of organisms -- birds, bats and insects -- in the lower atmosphere.

Aeroecology can be recognized as a stand-alone discipline just as marine biology is recognized as a stand-alone discipline concerning life in the oceans, Winifred F. Frick, an environmental researcher at the University of California, Santa Cruz, said.

"It's very interdisciplinary or transdisciplinary in the sense that it involves bird biologists and bat ecologists, entomologists, radar scientists and meteorologists," she said.

Radar images of bats appear as distinct "blooms" of radar reflectivity and give scientists clues to their behavior, Frick said.

Frick and other researchers have used truck-mounted radars as well as data from 160 fixed radars around the country, familiar as "Doppler radar" in television weather reports, to track bat behavior, a UCSC release said Friday.

The researchers say the opportunity to look back through recorded radar data from the last two decades can reveal information about population changes among bats, insects and migrating birds.

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