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Researchers use GPS tracking to monitor crab behavior
Date:11/15/2012

way that they record GPS positions at intervals of one hour over a period of several months. The tag also contains an accelerometer to record movements in different (x, y, or z) directions and thus the activity of the crabs. Recorded data were downloaded by the scientists once a week via a radio link within a range of about 200 meters, so that the crabs were not disturbed. The devices send out radio impulses (pingers) in order to enable localization of the crabs via wireless connection using a high-sensitivity directional antenna. Similar devices were recently used in a study to monitor bird migration. The development of further miniaturized electronic devices and batteries should help to establish this method successfully for the study of even smaller animal species in the future.


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Contact: Bill S. Hansson
hansson@ice.mpg.de
49-364-157-1401
Max Planck Institute for Chemical Ecology
Source:Eurekalert  

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