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| Ezo (Hokkaido) | |
|---|---|
| Name | Ezo |
| Other name | Yezo |
| Settlement type | Historical region |
| Subdivision type | Country |
| Subdivision name | Japan |
| Subdivision type1 | Prefecture |
| Subdivision name1 | Hokkaido |
Ezo (Hokkaido) is a historical name for the northern island of Japan known today as Hokkaido and adjoining areas including the Kuril Islands and Sakhalin at various times. The term appears in early Chinese and Japanese sources, in Western cartography of the Tokugawa and Meiji periods, and in documents relating to Ainu interactions with Matsumae Domain, Sakhalin, and European powers such as Russia and the Netherlands. Its usage reflects changing political, cultural, and scientific perspectives from the medieval period through modern state formation.
The name Ezo (also written Yezo in older Western texts) derives from transcriptions of Ainu ethnonyms found in Manyoshu-era chronicles and later in Kojiki-era glosses, appearing alongside references to Emishi and Mutsu Province. Early maritime records by Song dynasty and Ming dynasty sources and European maps drawn by Gerardus Mercator and Philip von Siebold used variants of the name when designating lands north of Honshu. During the Edo period the Tokugawa shogunate regulated contacts via the Matsumae Domain, while 19th-century treaties including the Treaty of Saint Petersburg (1875) and negotiations involving Ōkuma Shigenobu and Enomoto Takeaki influenced the replacement of Ezo with Hokkaidō under the Meiji Restoration.
Historically, Ezo encompassed the island now called Hokkaido, parts of southern Sakhalin (Karafuto), the Kuril Islands (Chishima), and adjacent coastal areas of the Sea of Okhotsk and the Sea of Japan. Cartographic depictions by explorers such as Adam Johann von Krusenstern and scientists like Phillip Franz von Siebold varied, with some maps distinguishing Ezo from Karafuto and the Kurils while others conflated them. Coastal features frequently cited in period reports include Hakodate, the Oshima Peninsula, the Ishikari River, and the Kushiro Plain as landmarks informing administrative claims by the Tokugawa shogunate and later surveys by the Hokkaidō Development Commission.
The Ainu people, central to the identity of the region historically called Ezo, maintained distinct language, kinship, and ritual practices documented by travelers such as Jacques de Lisle and scholars like John Batchelor and Basil Hall. Archaeological cultures including the Jōmon period and the later Satsumon culture show continuity with Ainu settlement patterns around bays such as Uchiura Bay and river systems like the Tokachi River. Missionary accounts from Russian Orthodox Church missionaries and ethnographers such as Bronisław Piłsudski and Sakhalin ethnography recorded Ainu oral histories, subsistence technologies, and interactions with Wajin traders from Sendai Domain and Matsumae Domain.
From medieval references to the Emishi uprisings in Forty-nine Year War-era chronicles to trade documented in Nanban trade narratives, Ezo featured in maritime exchange networks. During the Sengoku period, contacts with northern domains and the consolidation of Matsumae authority shaped coastal trade and military encounters involving figures like Date Masamune and episodes linked to Wako piracy suppression. In the Edo period, the Matsumae monopoly regulated Ainu trade and tribute flows documented in domain records; incidents such as the Menashi-Kunashir Battle and interactions with Russian explorers like Vasily Golovnin and diplomatic missions involving Mikhail Gorchakov heightened shogunate concern about northern defenses.
Following the Boshin War and the Meiji Restoration, the new government abolished the Matsumae holdings and enacted the 1869 creation of the new administrative entity Hokkaidō, implemented by the Hokkaidō Development Commission (Kaitakushi), led initially by officials including Kuroda Kiyotaka and influenced by advisors like Mori Arinori and foreign experts such as William S. Clark and engineers from United States of America and France. Treaties like the Treaty of Saint Petersburg (1875) and later the Treaty of Portsmouth (1905) settled some territorial questions involving Russia and affected the status of Sakhalin and the Kurils. Land surveys by the Geographical Survey Institute and settlement policies involving Tondenhei colonists transformed former Ezo landscapes into prefectural divisions culminating in the modern Hokkaido Prefecture.
Ezo's flora and fauna, long studied by naturalists such as Philipp Franz von Siebold and zoologists at institutions like the Natural History Museum, London and Hokkaido University, include species such as the Ezo brown bear (Ursus arctos yesoensis), Ezo sika deer, and marine life in the Sea of Okhotsk and around Rishiri Island. Habitats range from subarctic boreal forests on the Daisetsuzan Volcanic Group to coastal wetlands like Kushiro Marsh and alpine zones in Mount Asahi. Conservation efforts involve bodies including Ministry of the Environment (Japan) protections for national parks like Shiretoko National Park and research collaborations with universities such as Hokkaido University and international programs tracking migratory species in the North Pacific.
The legacy of the term survives in place names, biological taxonomy, and historiography; it appears in works by historians like E.H. Norman and in museum collections at institutions such as the Hokkaido Museum and the National Museum of Nature and Science. Popular culture references to northern narratives connect to authors such as Jirō Nitta and visual artists working on Ainu themes exhibited in venues like the Sapporo Art Park. Contemporary discourse involving Ainu rights and recognition engages bodies such as the Ainu Association of Hokkaido and legislation like the Ainu Policy Promotion Act, while tourism initiatives reference historic Ezo sites in itineraries including Hakodate Bay and cultural festivals like the Ainu Matsuri.
Category:Hokkaido history