温带哺乳动物冬眠模式的变化
Katie Crawford1, Ruby Orsman1, Laura Parry1
1School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool, UK.
Journal of thermal biology
|June 29, 2025
概括
野生刺表现出灵活的冬眠时间,调整他们的冬季睡以适应不断变化的条件. 这种适应能力表明,种群面临气候变化导致的环境变化时,它们可能具有弹性.
科学领域:
- 生态生态学 生态生态学
- 动物学 动物学
- 气候变化生物学 气候变化生物学
背景情况:
- 温带地区的物种使用冬眠来生存冬季的能量赤字.
- 气候变化正在导致更温暖的冬季和更难预测的季节.
- 冬眠策略在应对环境变化的灵活性对于物种的生存至关重要.
研究的目的:
- 为了研究野生刺种群 (Erinaceus europaeus) 对温和的冬季气候的冬眠模式.
- 评估冬眠时间的灵活性及其应对环境变化的潜力.
- 了解冬眠策略的个体变化如何影响适应不断变化的条件.
主要方法:
- 实地研究涉及1年的夜间调查.
- 对26只野生子进行监测,以获取种群级活动数据.
- 使用温度敏感的VHF标签,详细追踪了五个人的冬眠状态.
主要成果:
- 所有五只被标记的都处于冬眠状态,但开始日期 (长达93天) 和结束日期 (长达47天) 有显著的变化.
- 个体的冬眠模式显示出灵活性,有些人使用更短的麻木期和更长的活动周期.
- 在寒冷的夜晚,更短的麻木期可以节省能源,而在无脊椎动物活跃的温暖的日子里,可以寻找食物.
结论:
- 刺冬眠时间表显示灵活性,表明潜在的适应不断变化的环境条件的能力.
- 在冬眠策略中观察到的适应能力可能是对在气候变暖下长期生存的子种群的关键.
- 冬眠模式的个体变化突出显示了野生动物对人为环境变化的复杂反应.
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