ニッタ　ユミコ   NITTA Yumiko   新田　由美子    所属   広島修道大学  健康科学部    職種   教授
言語種別	英語
発行・発表の年月	2022/03
形態種別	学術論文
査読	査読有り
標題	Evaluation of the environmental heavy metals and their circulation in the Hiroshima Regional Urban Area
執筆形態	単著
掲載誌名	The Open University of Japan Repository
掲載区分	国内
巻・号・頁	pp.1-70
頁数	70
著者・共著者	◎Yumiko NITTA
概要	There is a route for Cd to circulate in the human environment with the mediator of oyster shell waste as a specific fertilizer at the Hiroshima Regional Urban Area in the western part of Seto Inland Sea Area. The amount of Cd in oyster shell, 5.5~6.3 kg/year, is the identity of burden to the terrestrial environment added by the human activity based on a system of recycling oyster shell waste. The fundamental solution would be to regain the sediment of lesser concentrations of Zn and the Class II hazardous chemicals, which would lead to restore healthy Hiroshima Bay for oyster culturing. This ensures food safety and enables safe recycling of oyster shell waste.