single species dominancy forest

例句：

1. 1. The dominancy of the dominant species in a community can have significant impacts on the ecosystem.
   在一个社区中，主导物种的支配性可以对生态系统产生重大影响。
2. 2. The research suggests that the dominancy of certain species may be driving changes in the environment.
   研究表明，某些物种的支配性可能是在驱动环境变化的原因。
3. 3. The dominancy of one species over another is often a result of genetic differences.
   一种物种对另一种物种的支配性往往是由于遗传差异导致的。