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Simultaneous monitoring of the same animals with PIT-tags and sensor nodes causes no system interference
bioRxiv - Zoology Pub Date : 2020-04-15 , DOI: 10.1101/2020.03.05.978437
Simon P Ripperger , Niklas Duda , Alexander Kölpin , Gerald G Carter

Recent technological advances have multiplied the variety of biologgers used in wildlife research, particularly with small-bodied animals. Passive integrated transponders (PIT) have been used for decades to log visits of tagged animals at reader-equipped artificial feeders or roost boxes. More recently, novel miniaturized sensor nodes can collect data on social encounters among tagged individuals in any location. Combining these systems allows researchers to gather high-resolution tracking data on certain individuals from their long-term PIT-tagged animal populations. However, there can be a risk of interference among tracking systems. Here we tested whether placing an additional biologging sensor on top of a PIT-tag might attenuate the magnetic field reaching the PIT-tag and in turn hamper reading success of the radio-frequency identification (RFID) reader. We also evaluated data transmission by a digital sensor node in the presence of a magnetic field created by the RFID-antenna. The combination of this RFID-system and wireless biologging sensors works without error, suggesting that the simultaneous use of PIT-tags and other digital biologgers, e.g. miniaturized GPS-loggers, should also work together properly when communication channels do not overlap. The combination of long-term monitoring with PIT tags and short-term tracking with biologging sensor nodes creates exciting new opportunities to gather rich social data from individuals not present at RFID reader stations.

中文翻译:

使用PIT标签和传感器节点同时监控同一动物不会引起系统干扰

最近的技术进步使野生动植物研究中使用的生物记录仪的种类成倍增加,特别是小型动物。被动集成应答器(PIT)已被使用数十年,以记录带有标签的动物在配备阅读器的人工进料器或栖息箱上的访问记录。最近,新颖的小型化传感器节点可以在任何位置收集被标记个人之间社交接触的数据。结合使用这些系统,研究人员可以从长期带有PIT标签的动物种群中收集某些个体的高分辨率跟踪数据。但是,跟踪系统之间可能存在干扰的风险。在这里,我们测试了在PIT标签上方放置一个额外的生物记录传感器是否会减弱到达PIT标签的磁场,进而阻碍射频识别(RFID)读取器的读取成功。我们还评估了在RFID天线产生的磁场存在下,数字传感器节点进行的数据传输。此RFID系统和无线生物记录传感器的组合工作无误,表明在通信通道不重叠的情况下,同时使用PIT标签和其他数字生物记录仪(例如,微型GPS记录仪)也应正常工作。带有PIT标签的长期监视与带有生物记录传感器节点的短期跟踪相结合,创造了令人兴奋的新机会,可以从RFID读取器站没有的个人那里收集丰富的社会数据。
更新日期:2020-04-15
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