COLUMBIA, Mo. Researchers trying to track bee activity to find areas where the bee population is declining could soon be using an acoustic system developed by a research team that includes scientists from Missouri universities. <\/p>\n
Scientists developed an acoustic listening system to monitor bee activity in a specific area, The Columbia Missourian reported. The systems small microphone records the pitch and frequency of a bees buzzing and sends that information to data storage devices such as an iPad or USB drive. <\/p>\n
The goal is to analyze bee activity for several years and give warnings if bee populations are declining in a specific area, said University of Missouri biology professor Candace Galen. <\/p>\n
Which then could be a diagnostic or a warning sign that these are places where we need boots on the ground, people to go out and survey bees and see whos there and who isnt, Galen said. <\/p>\n
The team also includes scientists from Webster University in St. Louis, Lincoln University in Jefferson City and Appalachian State University in North Carolina. <\/p>\n
The research comes amid reports that bee populations have been declining in North America and Europe since the 1970s. The colony collapse disorder is related to mites, viruses, pesticides and other factors, according to the Missouri Department of Conservation. <\/p>\n
The decline of bees is important because bees pollinate a large percentage of the worlds food supply. <\/p>\n
We as humans are very dependent on (bees and other pollinators), she said. <\/p>\n
The system is cheaper than hiring observers to count and track bees. One device can pick up sound from roughly 9 to 16 feet away, which is more sensitive than the average human ear. The system also can record buzzing for about 96 hours before needing a recharge. <\/p>\n
If I had a lot of money to spend on my field team, I could hire a lot of observers and send each of those observers out to different locations, but thats not nearly as efficient as having the little USB drives do this for us, Galen said. <\/p>\n
The system can differentiate bees of different sizes and shapes in the same area, which is important for farmers because different crops rely on different bee pollination methods. <\/p>\n
The team conducted its research in the Rocky Mountains in Colorado, which has a relatively controlled environment with little urban noise, traffic or farm equipment. <\/p>\n
The scientists published their study, Flight of the bumble bee: Buzzes predict pollination services, in PLOS One on June 7. <\/p>\n
Because the team now knows the system works in simple conditions, it will be used in more complex situations with more noise and plants that require different pollination methods. <\/p>\n
The acoustic listening system also allows scientists to track bees without using trap studies or destructive sampling methods, which are more accurate but that kill bees. Galen said destructive sampling is more of an issue because of the decline in some bee populations, with some being including on the endangered species list. <\/p>\n
Shake off your afternoon slump with the offbeat or overlooked news of the day. <\/p>\n
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