Translation of "Grassroots" in German

This has to be carried out at all levels but in particular at grassroots level.
Sie muß auf allen Ebenen, insbesondere aber an der Basis erfolgen.
Europarl v8

Many of the grassroots conflicts were the results of unrestrained development.
Viele der Konflikte an der Basis waren das Resultat von uneingeschränkter Entwicklung.
GlobalVoices v2018q4