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。
参考来源 - 扬子鳄遗传结构分析及微卫星位点的筛选·2,447,543篇论文数据,部分数据来源于NoteExpress
This strategy is feasible when you have a small population.
这种策略在人口较少的情况下是可行的。
North Africa has a small population relative to the size of its deserts.
与其浩瀚的沙漠相比,北非的人口不多。
Canada is the second largest country in the world with a small population of 28,529,000.
加拿大是世界上第二大的国家,但她的人口只有28,529,000。
Botswana has a small population, about two million, but a very big HIV prevalence rate.
VOA: standard.2010.05.10
If you wish to change sections, you may do so only with permission of the subject administrators because it's very important that those sections be kept at a small population.
如果你们想要改时间,你只能在课程管理主任允许,的情况下这样做,因为让课程的人数保持在比较少的水平,是很重要的。
Now you'd hope that it would be a small percentage of the population that would be affected by this but it's not.
尽管你希望只有很少一部分人,存在这个问题,但事实却不是如此
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