relative abundance of species

例句：

1. 1. The forest is home to a wide variety of plant and animal species, each with their own relative abundance.
   森林里有各种各样的植物和动物，每种都有它们自己的相对丰富度。
2. 2. In the study of ecology, understanding the relative abundance of different species is crucial for predicting ecosystem stability.
   在生态学研究中，了解不同物种的相对丰富度对于预测生态系统的稳定性至关重要。
3. 3.The relative abundance of certain species can influence the overall biodiversity within a region.
   某些物种的相对丰富度可以影响一个地区的整体生物多样性。