农作物消费者的银效应:农作物消费增强了Sika鹿的骨生长
Ayaka Hata1, Midori Saeki1, Chinatsu Kozakai1
1Institute of Livestock and Grassland Science, National Agriculture and Food Research Organization, Tsukuba, Ibaraki, Japan.
PeerJ
|August 11, 2025
概括
农业作物消费显著影响鹿的骨生长,加速个人及其后代的发展. 这种"银效应"对雌鹿的影响更为深刻,影响了生长速度和尺寸的达到.
科学领域:
- 野生动物生态学野生动物生态学
- 哺乳动物生物学 哺乳动物生物学
- 农业对野生动物的影响
背景情况:
- 农业扩张影响野生动物的生命历史特征.
- 农作物消费对长寿哺乳动物生命史的影响还未得到充分研究.
- 身体尺寸是一个关键的生命史特征,与健康有关.
研究的目的:
- 量化评估长期作物消费对鹿骨生长的功能作用.
- 评估植物消费对骨发育影响的性别特异性差异.
- 研究母体作物消费对后代骨特征的跨代影响.
主要方法:
- 长期监测不同农作物消费水平的西卡鹿 (Cervus nippon) 种群.
- 对骨生长参数的分析,包括不对称尺寸的年龄和生长速度.
- 测量胎儿后脚长度作为产前生长的指标.
主要成果:
- 农作物消费加速了鹿的骨生长,影响了消费者和下一代.
- 在女性中,作物消费导致了98%的不对称尺寸 (高达1.4年) 和骨生长率 (高达1.5倍) 的年龄差异显著.
- 母亲的作物消费影响了胎儿后脚长度高达15%,表明了跨代的影响,而对男性的影响不那么一致.
结论:
- 长期的作物消费显著改变了个人层面上Sika鹿的骨生长.
- 母亲的作物消费给子女从胎儿阶段开始的骨发育带来了"银效应".
- 了解这些影响对于农业景观中的野生动物管理至关重要.
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