Thermal Infrared Imaging from Drones Offers a Major Advance for Spider Monkey Surveys
Thermal Infrared Imaging from Drones Offers a Major Advance for Spider Monkey Surveys
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DOI：
10.3390/drones3020034
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发表时间：
2019-06-01
期刊：
影响因子：
4.8
通讯作者：
Wich, Serge A.
中科院分区：
文献类型：
--
作者：
Spaan, Denise;Burke, Claire;Wich, Serge A.
准确和精确的人口估计形成的基础上，保护行动，但缺乏许多树栖物种由于高成本和困难，在调查这些物种。最近，研究人员开始使用无人机获取动物分布和密度的数据。在这项研究中，我们比较了地面和无人机计数蜘蛛猴（Ateles geoffroyi）在他们的睡眠场所使用定制的无人机配备了热红外（TIR）相机。我们证明，带有TIR相机的无人机可以成功地用于确定森林地区蜘蛛猴的存在和数量。使用一致性分析，我们发现小型猴子亚组（10个个体）的地面和无人机计数之间存在高度一致性，在83%的调查中，无人机计数高于相应的地面计数。我们可以从TIR无人机镜头中识别出更多的个体，因为与地面调查相比，它覆盖的区域更大。我们建议使用TIR无人机对蜘蛛猴的睡眠地点进行调查，并讨论当前实施的挑战。
Accurate and precise population estimates form the basis of conservation action but are lacking for many arboreal species due to the high costs and difficulty in surveying these species. Recently, researchers have started to use drones to obtain data on animal distribution and density. In this study, we compared ground and drone counts for spider monkeys (Ateles geoffroyi) at their sleeping sites using a custom-built drone fitted with a thermal infrared (TIR) camera. We demonstrated that a drone with a TIR camera can be successfully employed to determine the presence and count the number of spider monkeys in a forested area. Using a concordance analysis, we found high agreement between ground and drone counts for small monkey subgroups (10 individuals), with drone counts being higher than the corresponding ground counts in 83% of surveys. We could identify additional individuals from TIR drone footage due to a greater area covered compared to ground surveys. We recommend using TIR drones for surveys of spider monkey sleeping sites and discuss current challenges to implementation.