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was a Japanese explorer of the late Edo period. Mamiya was born in 1775 in Tsukuba District, Hitachi Province, in what is now Tsukubamirai, Ibaraki Prefecture. Later in his life he would become an undercover agent for the Tokugawa shogunate. He is best known for his exploration and mapping of Sakhalin (known to the Japanese as 樺太, ''Karafuto''), which resulted in his discovery that Sakhalin was indeed an island and not connected to the Asian continent, although this had already been discovered by Jean-François de La Pérouse in 1787, who charted most of the Strait of Tartary. In 1785 Japanese explorers reached almost to the Strait of Tartary on the west, Cape Patience on the east and Urup in the Kurils. In 1808 Mamiya sailed up the east coast and Matsuda Denjuro up the west coast. From near Cape Patience Mamiya crossed the mountains to join Matsuda. The next year Mamiya sailed into the mouth of the Amur River and reached a Chinese trading post. In 1852 Mamiya's maps were published in Europe by Philipp Franz von Siebold. Although Japan believed that Mamiya had no child, it was announced in 2002 that there was a daughter of him and an Ainu woman and her descendants remained alive in Hokkaido. == See also == *12127 Mamiya *Nikolai Rezanov *Philipp Franz von Siebold *Sakhalin *Strait of Tartary 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「Mamiya Rinzō」の詳細全文を読む スポンサード リンク
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