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bioregion
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.bioregion (ˈbaɪəʊˌriːdʒən) na natural ecological community in which the biodiversity and ecosystem are distinctbioregion
bioregion[′bī·ō‚rē·jən] (ecology) A region with borders that are naturally defined by topographic systems (such as mountains, rivers, and oceans) and ecological systems (such as deserts, rainforests, and tundras). bioregion
bioregion (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. |