That interdependence of the forest and its constituent tree species, ground flora, and fauna is taken for granted.

森林、树种、地面植物、动物这些组成森林的因素之间相互依赖，是理所当然。

The interdependence of the forest and its constituent tree species, ground flora, and fauna is taken for granted.

森林及其组成树种、地面植物群和动物群的相互依存关系被认为是理所当然的。