Such a dramatic increase in straying from damaged areas to more pristine streams results in substantial gene flow, which can in turn lower the overall fitness of subsequent generations.
2
基因流是影响植物种群的遗传组成和遗传结构的重要因子。
Gene flow is an important factor influencing the genetic structure of plant populations.
3
群体间一定程度的遗传分化可能是人为选择压力和基因流障碍引起的。
The genetic differentiation of among populations might be caused by human selective pressures and barriers to gene flow.