更大并不总是更好:关于隔膜,体重和过冬生存之间的关联的挑战性假设
Clancy A Short1, Jared L Walters1, Daniel A Hahn1
1Department of Entomology and Nematology The University of Florida Gainesville Florida USA.
Ecology and evolution
|June 5, 2024
概括
食物限制降低了肉的体重,挑战了更重的昆虫总是有更好的冬季生存的想法. 较轻的子令人惊地延长了隔膜暂停的持续时间.
科学领域:
- 昆虫生理学 昆虫生理学
- 生态生态学 生态生态学
- 进化生物学是进化的生物学.
背景情况:
- 动物,尤其是昆虫,为了在冬季的食物短缺中幸存下来,进入了隔膜.
- 人们普遍认为,虫必须更重才能维持新陈代谢,需要充足的冬季前营养.
研究的目的:
- 调查食物限制如何影响身体重量在注定的肉.
- 确定体重和食物剥夺是否影响隔离期的可能性和持续时间.
主要方法:
- 的幼虫 * Sarcophaga crassipalpis * 限制了食时间,以限制食物的可用性.
- 在不同的食物条件下,监测了体重,停顿期的开始和持续时间.
主要成果:
- 与假设相反,穿的比没有穿的更轻,特别是在食物限制下.
- 较轻的子没有中止隔离期;较轻的体重与更长的隔离期持续时间相关.
- 体重对模拟的冬季存活率产生了积极的影响,直至白领子的值.
结论:
- 人们质疑人体体重与腹膜暂停之间的积极关联.
- 食物的可用性,过冬地点的质量和昆虫的生命历史都会影响到复杂的体重-间隙关系.
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