用自适应限制器控制稳定生物种群和集合种群
Stabilizing biological populations and metapopulations by Adaptive Limiter Control
摘要：
尽管人们对稳定生物种群和集合种群动态的技术很感兴趣，但几乎没有开发出可行的方法。我们提出了一种易于实施的方法，自适应限制器控制（ALC），用于减少灭绝频率和种群规模的波动幅度，并证明其在稳定实验室种群和集合种群的果蝇。集合种群的稳定性是通过减少大小波动和亚群水平的同步性相结合来实现的。模拟结果表明，ALC是有效的，在广泛的最大人口增长率，迁移率和种群动力学模型。由于模拟使用广泛适用的，非物种特异性的种群动力学模型能够捕捉到实验数据的大部分功能，我们希望我们的结果适用于广泛的物种。
英文摘要：
Despite great interest in techniques for stabilizing the dynamics of biological populations and metapopulations, very few practicable methods have been developed. We propose an easily implementable method, Adaptive Limiter Control (ALC), for reducing extinction frequencies and the magnitude of fluctuation in population sizes and demonstrate its efficacy in stabilizing laboratory populations and metapopulations of Drosophila melanogaster. Metapopulation stability was attained through a combination of reduced size fluctuations and synchrony at the subpopulation level. Simulations indicated that ALC was effective over a wide range of maximal population growth rates, migration rates and population dynamics models. Since simulations using widely applicable, nonspecies-specific models of population dynamics were able to capture most features of the experimental data, we expect our results to be applicable to a wide range of species.
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