 The atoll was officially designated as a UNESCO biosphere reserve in 1977.Taiaro Atoll belongs to the commune of Fakarava, which consists of Fakarava, as well as the atolls of Aratika, Kauehi, Niau, Raraka, Taiaro and Toau.Taiaro is home to 23 different plant species, all remnant except for a few planted coconut trees.