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Abstract Population bottlenecks reduce genetic diversity and thus cause great concern in conservation biology. Previous theoretical studies often assume discrete generations in projecting declines in genetic diversity caused by bottlenecks. This assumption creates complexities when applying the models to long‐lived species with overlapping generations. bottlesim is a program for simulating bottlenecks to estimate the impact on genetic diversity; the novelties include an overlapping‐generation model, a wide range of reproductive systems, and flexible population size settings. With these features, bottlesim will be a useful tool for estimating the genetic consequences of bottlenecks, evaluating conservation plans, and performing power analysis.
Kuo et al. (Thu,) studied this question.