The major content theme was not "How do we find the time?," but a more subtle variation.

最重要的主题不是“如何找到时间？”而是一个更加微妙的问题。

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Genetic variation is major study content in conservation genetics. In small population, genetic variation loss because of bottleneck effect, inbreeding, founder effect, and genetic drift.

遗传变异性是遗传保护研究的主要内容，在小种群中，往往由于瓶颈效应、近亲繁殖、奠基者效应和遗传漂变等使得遗传变异性减少。

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