And he spent three years there, and he actually did a remarkable piece of ecological science, a foundational piece.

他在那里呆了三年， 他实际上做了一件了不起的生态科学作品，一件基础作品。

In ecological science, a population is defined as a group of animals in the same geographic area that can potentially mate.

在生态科学中，种群被定义为同一地理区域内可能交配的一组动物。