自然群体 meaning in English

natural population

So natural populations of ginkgo protected in situ is advised
建议对银杏自然群体的保护以就地保护为主。
In addition , base on the certain level of genetic differentiation of among the 4 possible natural populations , it is advised that adult plants or seedlings of ginkgo be transplanted mutually in order to enhance the gene flow among them and preserve the genetic diversity of ginkgo furthest
因银杏群体间已出现了一定程度的遗传分化，建议在可能的自然群体间进行植株和种子幼苗相互移栽，以增强群体间的基因流，最大限度地保护银杏的遗传多样性。