陆地两动物对快速变化的温度以探索性行为的个体可塑性做出反应
1Czech Academy of Sciences, Institute of Vertebrate Biology, Brno, Czech Republic; Department of Botany and Zoology, Faculty of Sciences, Masaryk University, Brno, Czech Republic.
Journal of thermal biology
|December 3, 2023
概括
两动物像新一样,调整探索行为以适应温度变化. 个体的可塑性,而不仅仅是物种特征,显著塑造了这些反应,强调了环境环境适应的重要性.
科学领域:
- 生态生态学 生态生态学
- 动物行为 动物行为
- 进化生物学 进化生物学
背景情况:
- 陆地生态热生物依赖于行为调整来应对环境温度波动.
- 了解这些行为的重复性和可塑性对于评估适应潜力至关重要.
研究的目的:
- 为了研究高山 (Ichthyosaura alpestris) 和平滑 (Lissotriton vulgaris) 新对急性温度变化的行为反应 (探索).
- 为了检查这些响应在人口和个人层面,跨越各种热环境.
主要方法:
- 在不同的温度变化方向,范围和养殖热状态下,评估了新的行为探索.
- 分析了热反应规范的种群层面和个体层面的变化,用于探索.
- 量化了即时热反应的重复性.
主要成果:
- 种群层面的分析揭示了温度变化的物种特异性,非添加效应,解释了探索的有限变化.
- 个体内和个体间的变化占勘探总变化的很大一部分 (42-50%).
- 立即的热反应显示了个体变化 (可重复性为0.070.53),但在重复的试验中受到环境背景的显著影响.
结论:
- 两动物表现出行为可塑性,以应对急性温度变化.
- 个人可塑性是应对热变化的关键机制,由环境历史塑造.
- 未来的研究应该在多种热环境中采用重复测量设计,以充分理解ectotherms的适应潜力.
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