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菲洛斯托米德蝙蝠群和亚马逊低地蝙蝠群的繁殖现象学

Michael R Willig¹, Steven J Presley¹

¹Institute of the Environment, Center for Environmental Sciences & Engineering, and Department of Ecology & Evolutionary Biology, University of Connecticut, Storrs, Connecticut 06269-4210, USA.

Journal of mammalogy

|August 7, 2023

概括

亚马逊地区的蝙蝠繁殖是季节性的,大多数物种在雨季分娩. 气候变化可能会破坏这些模式,影响蝙蝠种群.

科学领域:

生态学和进化生物学
动物繁殖动物繁殖
保护生物学保护生物学

背景情况:

自然选择倾向于与资源可用性同步繁殖,从而导致季节性模式.
对新热带蝙蝠生殖现象学的定量研究很少,特别是比较种群和息地.

研究的目的:

量化亚马逊低地 (秘鲁伊基托斯) 的雄性和雌性蝙蝠的年度生殖模式.
在人口和集体层面分析生殖现象学 (果食动物,采摘动物,食花动物).
研究蝙蝠物种生殖现象学的地理差异.

主要方法:

在雄性和雌性蝙蝠的年度繁殖模式的量化.
对不同种群和生态群体的生殖现象学的分析.
将生殖现象学与全球其他深入研究的蝙蝠种群进行比较.

主要成果:

五种物种表现出单模繁殖模式,两种表现出双模无活动模式,四种表现出双模双峰模式.
果食者和结食者表现出双模态现象,而采摘动物食者表现出单模态现象.
在八个物种和三组中观察到现象学的年间变化;在三种物种中观察到地理变化.

结论:

亚马逊地区的蝙蝠繁殖现象学通常在雨季的资源丰富峰值期间增强分娩和招募.
气候变化构成重大威胁,可能会改变生殖时间,线索和成功,可能导致当地灭绝.
了解生殖现象学对于预测物种对环境变化的反应和为保护战略提供信息至关重要.

关键词:

植物学科的植物学科.双模生殖策略双模生殖策略繁殖季节是一个繁殖季节.气候变化气候变化气候变化他们是果食者.采摘动物食动物食动物全球变化生物学哺乳期哺乳期哺乳期它们是食者.单模式的生殖策略.

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