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How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
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相关实验视频

Updated: Jul 11, 2025

Determining Basal Energy Expenditure and the Capacity of Thermogenic Adipocytes to Expend Energy in Obese Mice
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使用加速度计测定大型海鸟的能量消耗.

Grace J Sutton1,2, Lauren P Angel1, John R Speakman3,4

  • 1School of Life and Environmental Sciences , Deakin University, 221 Burwood Hwy, Burwood, VIC 3125, Australia.

The Journal of experimental biology
|November 10, 2023
PubMed
概括

加速度计准确地估计了澳大利亚的每日能源消耗. 包括额外的移动数据提高了准确性,验证了其用于研究自由活动动物的使用.

关键词:
莫鲁斯的刀机澳大利亚亚洲海.双重标记的水是双重标记的水.现场新陈代谢率 现场新陈代谢率三轴加速度计三轴加速度计

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科学领域:

  • 动物生态动物生态学
  • 生物能源学 生物能源学
  • 运动生态学 运动生态学

背景情况:

  • 了解动物的能量消耗对于生态研究至关重要.
  • 加速度计是估计自由放牧动物能源消耗的有希望的工具.
  • 对于加速计在野外代谢率估计中的准确性存在有限的验证.

研究的目的:

  • 为了验证加速度计作为澳大利亚鱼每日能源消耗的代理.
  • 评估加速度计用于估计海上代谢速率的准确性.
  • 通过结合额外的运动参数来改进能源支出模型.

主要方法:

  • 澳大利亚鱼配备了GPS和三轴加速度计.
  • 双标记水 (DLW) 用于测量 3-5 天的野外代谢率.
  • 分析了DLW衍生能源支出和加速度计数据 (VeDBA) 之间的相关性.

主要成果:

  • 在每日能源消耗方面,DLW和VeDBA之间发现了很高的相关性 (R2=0.75-0.80).
  • 估计在海上的代谢率显示了可变的成功率 (R2=0.02-0.42).
  • 随着对航程和夜间海上停留时间的数据的增加,模型的预测能力得到了提高 (R2=0.61-0.82).

结论:

  • 加速度计是一种可行的工具,用于估计自由活动的鱼的每日能源消耗.
  • 通过结合超越加速度计的运动参数来提高模型的准确性.
  • 进一步的研究可能会完善加速度计在野生动物的生物能量研究中的应用.