木马Y染色体策略与昆虫不育技术联合灭蚊的模型与分析
Combined Trojan Y Chromosome Strategy and Sterile Insect Technique to Eliminate Mosquitoes: Modelling and Analysis
摘要：
昆虫不育技术已成功应用于农业害虫的防治，但对蚊虫的控制能力有限。一种有前途的替代方法是特洛伊Y染色体策略，它的工作原理是通过引入女性化的Y Y超级雄性来操纵种群的性别比例，以保证男性后代。结合特洛伊Y染色体策略和不育昆虫技术（TYC-SIT）的战略建模与常微分方程，允许在相同的建模条件下的蚊子的雌性种群下降的动力学进行评估。动力学分析导致该组合模型的局部和全局稳定性的结果。最优控制分析也实施调查的最佳机制灭绝的蚊子。特别地，数值结果证实了组合TYC-SIT能够几乎消除蚊子。该结论对害虫防治具有重要意义。
英文摘要：
Sterile insect technique has been successfully applied in the control of agricultural pests, however, it has a limited ability to control mosquitoes. A promising alternative approach is Trojan Y Chromosome strategy, which works by manipulating the sex ratio of a population through the introduction of feminized Y Y supermales that guarantee male offspring. A combined Trojan Y chromosome strategy and sterile insect technique (TYC-SIT) strategy is modeled with ordinary differential equations that allow the kinetics of the female population decline of mosquitoes to be evaluated under identical modeling conditions. The dynamical analysis leads to results on both local and global stabilities of this combined model. Optimal control analysis is also implemented to investigate the optimal mechanisms for extinction of mosquitoes. In particular, the numerical results affirm that the combined TYC-SIT enables near elimination of mosquitoes. The conclusion has great significance for pest controls.
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