個こ体たい数すう

noun

population (of animals, etc.); population size; number of individuals

Used especially in ecology and biology for the count of individual organisms in a population. More specific than 人口 (human population).

• この地ち域いきのシカの個こ体たい数すうは年ねん々ねん増ぞう加かしている。

  The deer population in this area is increasing year by year.

• 絶ぜつ滅めつ危き惧ぐ種しゅの個こ体たい数すうを調ちょう査さする。

  Survey the population size of endangered species.