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引用次数: 0
摘要
月光对动物的生态、行为和生理有着深远的影响。然而，月光周期的特点是光照度和光照时间的复杂变化，这使得在实验室中使用人造光重新创造和操纵月光周期具有挑战性。因此，有关月光周期影响的生态实验并不常见，而且现有的研究往往过于简化月光的再现。这种局限性延伸到光污染对夜间动物影响的实验研究中，这些研究往往不能充分反映自然夜间光线。为了解决缺乏重现和操纵月光周期的开源解决方案的问题，我们开发了软硬件结合的 MoonShine 系统。该系统由两部分组成：(1）MoonShineR，一个带有附加 R 脚本的 R 软件包，可在指定地点和时间范围内，以定义的时间间隔预测月光地面照度（以勒克斯为单位）；（2）MoonShineP，一个在 Raspberry Pi 计算机上运行的 Python 程序，可使用 MoonShineR 的照度值逐渐调暗和调亮由可单独寻址的 LED 组成的漫射阵列，从而在实验室环境中重新创建逼真的自然光环境。MoonShine 具有多种功能，可以重新创建和操纵光照周期。它支持 LED 灯光的颜色变换（通过调整 RGBW 强度比），以接近自然月光的光谱，并模拟特定的生境条件或某些类型的光污染。我们通过与赤道和温带纬度地点的实地辐射计测量结果进行比较，测试了 MoonShineR 预测月光照度的准确性。我们将测量到的 LED 照度与预期值进行了比较，并将测量到的 LED 光谱与自然月光进行了比较，从而证明了 MoonShineP 重现月光的准确性。通过 MoonShine，研究人员可以在实验室中重现一系列自然夜间照明场景。它可用于以相对逼真的光谱组成重现完整的自然月光周期，生成可操控的月光时间表，或模拟光污染。此外，MoonShineR 预测的月光照度对于需要将月光作为定量模型预测指标的野外生态学家也很有用。最后，为了给实验室饲养的动物提供完整的昼夜光照周期，MoonShine 还允许研究人员重新创建自然黄昏和日照制度。
MoonShine: A software-hardware system for simulating moonlight ground illuminance and re-creating artificial moonlight cycles in a laboratory environment
期刊介绍：
A British Ecological Society journal, Methods in Ecology and Evolution (MEE) promotes the development of new methods in ecology and evolution, and facilitates their dissemination and uptake by the research community. MEE brings together papers from previously disparate sub-disciplines to provide a single forum for tracking methodological developments in all areas.
MEE publishes methodological papers in any area of ecology and evolution, including:
-Phylogenetic analysis
-Statistical methods
-Conservation & management
-Theoretical methods
-Practical methods, including lab and field
-This list is not exhaustive, and we welcome enquiries about possible submissions. Methods are defined in the widest terms and may be analytical, practical or conceptual.
A primary aim of the journal is to maximise the uptake of techniques by the community. We recognise that a major stumbling block in the uptake and application of new methods is the accessibility of methods. For example, users may need computer code, example applications or demonstrations of methods.
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