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The Jiaozhou Bay (; (ドイツ語:Kiautschou-Bucht), ) is a gulf located in Qingdao, China. It was a German colonial concession from 1898 until 1914. Jiaozhou is the main town of the bay area, which was historically romanized as Kiaochow, Kiauchau or Kiao-Chau in English and Kiautschou in German. ==Geography== Jiaozhou Bay is located on the southern coast of the Shandong Peninsula ((ドイツ語:Schantung-Halbinsel)) in East China. It separates Huangdao District from Qingdao City and borders on Jiaozhou City. The bay is 32 km long and 27 km wide with a surface area of 362 km², approximately two-thirds the area of 100 years ago. According to official data,〔China State Oceanic Administration "Chorography of Jiao'Ao"〕 the surface area has decreased from 560 km² in 1928 to 362 km² by 2003 due to sustained land reclamation activities in recent decades. The marine species also decreased by two-thirds during the last 50 years〔http://www.soa.gov.cn/hyjww/zghybnew/ywb/webinfo/2008/11/1225332542195401.htm〕 due to urban and industrial development and growth of adjacent areas around the bay. Jiaozhou Bay is a natural inlet of the Yellow Sea ((ドイツ語:Gelbes Meer)), with 10 to 15 meters depth to the seabed and deeper, dredged channels to three major ports around the bay: Qingdao, Huangdao, and Hongdao, all of which are ice-free during winter. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Jiaozhou Bay」の詳細全文を読む スポンサード リンク
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