历史,时间和地理动态的交互之间Agave和Leptonycteris食蜜的蝙蝠
Roberto-Emiliano Trejo-Salazar1,2, Niza Gámez3, Emiliano Escalona-Prado4
1Programa Doctorado en Ciencias Biomédicas, Instituto de Ecología, Universidad Nacional Autónoma de México. Circuito Exterior s/n Anexo al Jardín Botánico, 04510, Ciudad de México.
American journal of botany
|August 10, 2023
概括
该研究显示,迁徙蝙蝠与各种Agave物种相互作用,而非迁徙蝙蝠则消耗类似Agave物种的花蜜,这表明Agave蝙蝠和Leptonycteris蝙蝠之间存在扩散的共同进化.
科学领域:
- 生态生态学 生态生态学
- 进化生物学 进化生物学
- 保护生物学 保护生物学
背景情况:
- 生态和进化过程之间的相互作用对物种的进化轨迹至关重要.
- 植物及其授粉者之间的共同进化动态,特别是Agave物种和Leptonycteris蝙蝠,具有显著的兴趣.
- 阿加维物种表现出与类动物相一致的授粉综合征,包括花形态和夜间生长的花蜜.
研究的目的:
- 在三个不同的气候场景下分析Agave-Leptonycteris相互作用的空间和时间动态.
- 为了调查Agave物种和Leptonycteris蝙蝠之间的地理相关性.
- 探索气候变化塑造的潜在的共同进化模式.
主要方法:
- 用生态利基模型 (ENM) 模拟了普莱斯托纪时期的Agave-Leptonycteris相互作用.
- 使用了三个气候场景:当前,最后的冰川最大值 (LGM) 和最后的冰川间 (LIG).
- 分析了96种Agave物种和两种Leptonycteris蝙蝠物种的地理分布数据.
主要成果:
- 勒普托尼克特雷斯蝙蝠在它们的迁徙路线上与各种阿加韦物种相互作用.
- 在Metztitlán和Tehuacán-Cuicatlán确定了潜在的相互作用避难所,其中Agave-Leptonycteris相互作用可能持续存在.
- 在非迁徙季节期间,观察到这两种蝙蝠都从类似的Agave物种群中消耗蜜.
结论:
- 迁徙性Leptonycteris蝙蝠表现出主机交换的行为,与不同的Agave物种相互作用,跨越他们的路线.
- 莱普托尼克特虫蝙蝠的非迁徙种群显示,他们更喜欢更窄范围的Agave物种.
- 观察到的模式表明,阿加夫蝙蝠和勒普托尼克特蝙蝠之间可能存在扩散的共同进化,受气候动态和迁徙行为的影响.
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