周期性演化域上具有脉冲效应的植物-传粉者合作系统的阈值动力学情景

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS
Jie Wang, Ruirui Yang, Jian Wang, Jianxiong Cao
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引用次数: 0

摘要

在自然环境中,开花植物依靠一些动物授粉,并为动物提供营养。我们称这些动物为传粉者,并在一个周期性演化的领域中建立了一个具有脉冲效应的植物-传粉者合作模型。接下来,我们分别定义了单一植物模型和植物-传粉者系统的生态繁殖指数,并通过上解法和下解法建立了其阈值动态,包括灭绝、持续和共存。理论分析表明,无论是否发生脉冲效应,大的域进化速率都会对传粉昆虫的生存产生积极影响,即使在进化速率较高的情况下,脉冲也会淘汰传粉昆虫。此外,我们还进行了一些选择性数值模拟,以解释我们的理论结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Threshold dynamics scenario of a plants-pollinators cooperative system with impulsive effect on a periodically evolving domain
Flowering plants depend on some animals for pollination and contribute to nourish the animals in natural environments. We call these animals pollinators and build a plants-pollinators cooperative model with impulsive effect on a periodically evolving domain. Next, we define the ecological reproduction index for single plant model and plants-pollinators system, respectively, whose threshold dynamics, including the extinction, persistence and coexistence, is established by the method of upper and lower solutions. Theoretical analysis shows that a large domain evolution rate has a positive influence on the survival of pollinators whether or not the impulsive effect occurs, and the pulse eliminates the pollinators even when the evolution rate is high. Moreover, some selective numerical simulations are still performed to explain our theoretical results.
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来源期刊
ACS Applied Bio Materials
ACS Applied Bio Materials Chemistry-Chemistry (all)
CiteScore
9.40
自引率
2.10%
发文量
464
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