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關鍵詞:庇護所效應; 飽和發生率; Holling II型功能性反應; 收獲
中圖分類號:O175 文獻標志碼:A
文章編號:2095-6991(2023)01-0006-07
Abstract:An eco-epidemiological model with harvesting and refuge effect is studied, assuming that the disease only spread among predator populations, and the Holling type II functional response and saturated incidence rate are considered. First of all, the local stability of non-negative equilibria is discussed by using Routh-Hurwitz criteria. Then, the sufficient conditions for the global asymptotical stability of the equilibria are obtained by constructing Lyapunov functions and combining with LaSalle’s invariance principle. Finally, the optimal harvesting strategy is investigated by using Pontryagin’s maximum principle.
Key words:refuge effect; saturation incidence; Holling type II functional response; harvesting
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[責任編輯:趙慧霞]
基金項目:國家自然科學基金項目 (11561041)
作者簡介:林風光(1992-),男,甘肅臨夏人,在讀碩士,研究方向:生物數學.E-mail:2978808607@qq.com.