论文标题
甘蔗孔的混沌动力学与季节性的寄生虫农业生态系统
Chaotic dynamics of the sugarcane borer-two parasitoid agroecosystem with seasonality
论文作者
论文摘要
在许多国家，甘蔗生产是一个重要而有利可图的农业综合企业领域。然而，这个行业遭受了甘蔗害虫的巨大损失，其中最重要的是甘蔗鲍尔（Diatraea saccharalis）。由于其不同的生命阶段，难以控制这种害虫种群，因此可以应用生物控制（具有多种捕食者物种）。因此，在这项工作中，我们提出并分析了一个数学模型，该数学模型描述了甘蔗鲍尔及其两个不同的生命阶段的动力学：卵（Trichogramma galloi}）和幼虫（cotesia flavipes）。首先，使用宿主寄生虫模型来获得种群动态，这也考虑了季节性变化的影响。然后，系统模拟和分叉图表明，季节性扰动的引入会导致复杂的动态，并导致极限周期和奇怪的吸引子。
Sugarcane production is a significant and profitable agribusiness sector in many countries. Nevertheless, this industry suffers significant losses from the sugarcane pests, among which the most important one is the sugarcane borer (Diatraea saccharalis). This pest population is hard to be controlled due to its different life stages, thus biological control (with more than one predator species) can be applied. Therefore, in this work, we present and analyze a mathematical model that describes the dynamics of the sugarcane borer and its two different life stages parasitoids: eggs (Trichogramma galloi}) and larval (Cotesia flavipes). First, a host-parasitoid model is used to obtain the population dynamics, which also considers the influence of seasonal variations. Then, system simulations and bifurcation diagrams show that the introduction of seasonality perturbations causes complex dynamics and results in limit cycles and strange attractors.
