bioregional


bi·o·re·gion

B0268300 (bī′ō-rē′jən)n. An area bounded by natural rather than artificial borders that has characteristic flora and fauna and includes one or more ecosystems.
bi′o·re′gion·al adj.

bioregional

(ˈbaɪəʊˌriːdʒənəl) adjrelating to a bioregion