These days, plant materials for the revegetation have been transported over the

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Abstract:We created the small type biotop on the building roof for the experiment at Itabashi ward, Tokyo. The biotope was composed of shallow pond, marsh, bank and shrubbery. And it was planted three species of aquatic plants at pond and marsh, and five species of fruit and flowering trees at shrubbery. The bank was made by vegetation blocks stripped from Miscanthus sinensis and Inperata cylindrica meadow at Higashimatsuyama city, Saitama Prefecture. As a result, wild scenery with diverse over forty species of wild plants was formed on the building roof; the vegetation of Cyperus iria and Cyperus difformis at the marsh, Typha orientalis in the pond. Five species of dragonflies flew and established at the biotope. Aquaruis paludum and Papilio xuthus were the same. In adittion, five species of birds and some species of insects involving butterflies and grasshoppers flew into the biotope. These results are considered that the ecosystem based on feed chains was formed on the building roof in the city.