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引用次数: 0
摘要
生物定位是野生动物研究的核心，但如何将生物定位装置的影响降至最低仍是个问题。人们很少考虑生物除害装置对动物质心（COM）的影响以及由此造成的飞行控制和稳定性损失。我们运用已确立的航空原理，估算了飞行中的鸟类或蝙蝠在颈部、背部、臀部或尾部放置生物装载装置的典型位置可能对其质心（COM）产生的影响。然后，我们采用航空航天工程学中修改过的阈值来估算 COM 的变化会导致飞行控制和稳定性发生与体能相关的改变的极限值。通用模型说明了影响飞行控制和稳定性的生物锚定装置的位置和质量之间的权衡。七个针对特定物种的例子表明，对不同体型和体质的动物来说，改变COM所造成的后果存在很大差异。将装置放置在尾部总是导致最大的 COM 变化，而放置在背部中央则导致最小的变化。有些人将生物定位装置的重量阈值定为 5%，这在稳定性方面几乎没有误差余地，很容易导致 COM 发生危险的变化。其他人使用的 3% 重量阈值导致的 COM 变化要小得多，但在远离自然 COM 的情况下，仍会影响飞行控制和稳定性。有兴趣最大限度地减少对野生动物健康影响的研究人员在安装生物定位装置时应考虑重量、平衡和 COM。装置离自然 COM 越远，相对于动物的质量就应该越小。
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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