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The , also known as the or the , are a chain of
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
ese islands that stretch southwest from
Kyushu is the third-largest island of Japan's five main islands and the most southerly of the four largest islands ( i.e. excluding Okinawa). In the past, it has been known as , and . The historical regional name referred to Kyushu and its surround ...
to
Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast ...
: the Ōsumi, Tokara,
Amami The The name ''Amami-guntō'' was standardized on February 15, 2010. Prior to that, another name, ''Amami shotō'' (奄美諸島), was also used. is an archipelago in the Satsunan Islands, which is part of the Ryukyu Islands, and is southwest o ...
,
Okinawa is a Prefectures of Japan, prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 Square kilometre, km2 (880 sq mi). ...
, and
Sakishima Islands The (or 先島群島, ''Sakishima-guntō'') ( Okinawan: ''Sachishima'', Miyako: ''Saksїzїma'', Yaeyama: ''Sakїzїma'', Yonaguni: ''Satichima'') are an archipelago located at the southernmost end of the Japanese Archipelago. They are part o ...
(further divided into the Miyako and
Yaeyama Islands The Yaeyama Islands (八重山列島 ''Yaeyama-rettō'', also 八重山諸島 ''Yaeyama-shotō'', Yaeyama: ''Yaima'', Yonaguni: ''Daama'', Okinawan: ''Yeema'', Northern Ryukyuan: ''Yapema'') are an archipelago in the southwest of Okinawa P ...
), with
Yonaguni , one of the Yaeyama Islands, is the westernmost inhabited island of Japan, lying from the east coast of Taiwan, between the East China Sea and the Pacific Ocean proper. The island is administered as the town of Yonaguni, Yaeyama Gun, Okinaw ...
the westernmost. The larger are mostly
high island Geologically, a high island or volcanic island is an island of volcanic origin. The term can be used to distinguish such islands from low islands, which are formed from sedimentation or the uplifting of coral reefs (which have often formed ...
s and the smaller mostly coral. The largest is
Okinawa Island is the largest of the Okinawa Islands and the Ryukyu (''Nansei'') Islands of Japan in the Kyushu region. It is the smallest and least populated of the five main islands of Japan. The island is approximately long, an average wide, and has an ...
. The climate of the islands ranges from
humid subtropical climate A humid subtropical climate is a zone of climate characterized by hot and humid summers, and cool to mild winters. These climates normally lie on the southeast side of all continents (except Antarctica), generally between latitudes 25° and 40° ...
( Köppen climate classification ''Cfa'') in the north to
tropical rainforest climate A tropical rainforest climate, humid tropical climate or equatorial climate is a tropical climate sub-type usually found within 10 to 15 degrees latitude of the equator. There are some other areas at higher latitudes, such as the coast of southeas ...
(Köppen climate classification ''Af'') in the south.
Precipitation In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds. The main forms of precipitation include drizzle, rain, Rain and snow mixed, sleet, snow, ice pellets, ...
is very high and is affected by the rainy season and
typhoon A typhoon is a mature tropical cyclone that develops between 180° and 100°E in the Northern Hemisphere. This region is referred to as the Northwestern Pacific Basin, and is the most active tropical cyclone basin on Earth, accounting for a ...
s. Except the outlying
Daitō Islands The are an archipelago consisting of three isolated coral islands in the Philippine Sea southeast of Okinawa. The islands have a total area of and a population of 2,107. Administratively, the whole group belongs to Shimajiri District of Okinaw ...
, the island chain has two major geologic boundaries, the Tokara Strait (between the Tokara and Amami Islands) and the
Kerama Gap The , also known as the Kerama Gap, is a waterway which lies between Miyako Island and Okinawa Island consisting of a 250km-wide passageway with international waters and airspace. It is the widest strait in the Ryukyu Islands. Political significa ...
(between the Okinawa and
Miyako Islands The (also Miyako Jima group) are a group of islands in Okinawa Prefecture, Japan, belonging to the Ryukyu Islands. They are situated between the Okinawa Island and Yaeyama Islands. In the early 1870s, the population of the islands was estima ...
). The islands beyond the Tokara Strait are characterized by their coral reefs. The Ōsumi and Tokara Islands, the northernmost of the islands, fall under the cultural sphere of the Kyushu region of Japan; local inhabitants speak a variation of the
Kagoshima dialect The , often referred to as the , is a group of dialects or dialect continuum of the Japanese language spoken mainly within the area of the former Ōsumi and Satsuma provinces now incorporated into the southwestern prefecture of Kagoshima. It ...
of Japanese. The Amami, Okinawa, Miyako, and
Yaeyama Islands The Yaeyama Islands (八重山列島 ''Yaeyama-rettō'', also 八重山諸島 ''Yaeyama-shotō'', Yaeyama: ''Yaima'', Yonaguni: ''Daama'', Okinawan: ''Yeema'', Northern Ryukyuan: ''Yapema'') are an archipelago in the southwest of Okinawa P ...
have a native population collectively called the
Ryukyuan people The Ryukyuan people ( ryu, 琉球民族 (るーちゅーみんずく), Ruuchuu minzuku or ryu, どぅーちゅーみんずく, Duuchuu minzuku, label=none, ja, 琉球民族/りゅうきゅうみんぞく, Ryūkyū minzoku, also Lewchewan or L ...
, named for the former
Ryukyu Kingdom The Ryukyu Kingdom, Middle Chinese: , , Classical Chinese: (), Historical English names: ''Lew Chew'', ''Lewchew'', ''Luchu'', and ''Loochoo'', Historical French name: ''Liou-tchou'', Historical Dutch name: ''Lioe-kioe'' was a kingdom in the ...
that ruled them. The varied
Ryukyuan languages The , also Lewchewan or Luchuan (), are the indigenous languages of the Ryukyu Islands, the southernmost part of the Japanese archipelago. Along with the Japanese language and the Hachijō language, they make up the Japonic language family. Al ...
are traditionally spoken on these islands, and the major islands have their own distinct languages. In modern times, the Japanese language is the primary language of the islands, with the
Okinawan Japanese is the Japanese language as spoken by the people of Okinawa Islands. Okinawan Japanese's accents and words are influenced by the traditional Okinawan and Kunigami languages. Okinawan Japanese has some loanwords from American English due to ...
dialect prevalently spoken. The outlying
Daitō Islands The are an archipelago consisting of three isolated coral islands in the Philippine Sea southeast of Okinawa. The islands have a total area of and a population of 2,107. Administratively, the whole group belongs to Shimajiri District of Okinaw ...
were uninhabited until the
Meiji period The is an era of Japanese history that extended from October 23, 1868 to July 30, 1912. The Meiji era was the first half of the Empire of Japan, when the Japanese people moved from being an isolated feudal society at risk of colonization b ...
, when their development was started mainly by people from the
Izu Islands The are a group of volcanic islands stretching south and east from the Izu Peninsula of Honshū, Japan. Administratively, they form two towns and six villages; all part of Tokyo Prefecture. The largest is Izu Ōshima, usually called simply Ōsh ...
south of Tokyo, with the people there speaking the
Hachijō language The small group of , natively called , depending on classification, are either the most divergent form of Japanese, or comprise a branch of Japonic (alongside mainland Japanese, Northern Ryukyuan, and Southern Ryukyuan). Hachijō is currently ...
. The islands were held by the United States after the 1951
Treaty of San Francisco The , also called the , re-established peaceful relations between Japan and the Allied Powers on behalf of the United Nations by ending the legal state of war and providing for redress for hostile actions up to and including World War II. It ...
concluded the
Pacific War The Pacific War, sometimes called the Asia–Pacific War, was the theater of World War II that was fought in Asia, the Pacific Ocean, the Indian Ocean, and Oceania. It was geographically the largest theater of the war, including the vast ...
. They were returned to Japan under the
1971 Okinawa reversion agreement The was an agreement between the United States and Japan in which the United States relinquished in favor of Japan all rights and interests under Article III of the Treaty of San Francisco, which had been obtained as a result of the Pacific War, ...
, with China disputing the Senkaku Islands. Administratively, the islands are divided between two
prefectures A prefecture (from the Latin ''Praefectura'') is an administrative jurisdiction traditionally governed by an appointed prefect. This can be a regional or local government subdivision in various countries, or a subdivision in certain internationa ...
: the northern islands, collectively called the
Satsunan Islands The is a geopolitical name for a group of islands that forms the northern part of the Ryukyu Islands. The whole island group belongs to Kagoshima Prefecture, Japan. Major islands * Satsunan Islands ** Ōsumi Islands with: *** Tanegashima, Yakus ...
, are part of
Kagoshima Prefecture is a prefecture of Japan located on the island of Kyushu and the Ryukyu Islands. Kagoshima Prefecture has a population of 1,599,779 (1 January 2020) and has a geographic area of 9,187 km2 (3,547 sq mi). Kagoshima Prefecture borders Kumamoto Pre ...
(specifically Kagoshima District, Kumage Subprefecture/
District A district is a type of administrative division that, in some countries, is managed by the local government. Across the world, areas known as "districts" vary greatly in size, spanning regions or counties, several municipalities, subdivisions o ...
, and Ōshima Subprefecture/
District A district is a type of administrative division that, in some countries, is managed by the local government. Across the world, areas known as "districts" vary greatly in size, spanning regions or counties, several municipalities, subdivisions o ...
), while the southern part of the chain makes up
Okinawa Prefecture is a Prefectures of Japan, prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 Square kilometre, km2 (880 sq mi). ...
. The divide is between the
Amami The The name ''Amami-guntō'' was standardized on February 15, 2010. Prior to that, another name, ''Amami shotō'' (奄美諸島), was also used. is an archipelago in the Satsunan Islands, which is part of the Ryukyu Islands, and is southwest o ...
and
Okinawa Islands The Okinawa Islands ( or ) are an island group in Okinawa Prefecture, Japan and are the principal island group of the prefecture. The Okinawa Islands are part of the larger Ryukyu Islands group and are located between the Amami Islands of Kagosh ...
, with the
Daitō Islands The are an archipelago consisting of three isolated coral islands in the Philippine Sea southeast of Okinawa. The islands have a total area of and a population of 2,107. Administratively, the whole group belongs to Shimajiri District of Okinaw ...
part of Okinawa Prefecture.


Geography


Island subgroups

The Ryukyu islands are commonly divided into two or three primary groups: *either administratively, with the Northern Ryukyus being the islands in Kagoshima Prefecture (known in Japanese as the "Satsunan Islands") and the Southern Ryukyus being the islands in Okinawa Prefecture (known in Japanese as the "Ryukyu Islands"), *or geologically, with the islands north of the Tokara Strait (Ōsumi and Tokara) being the Northern Ryukyus, those between the Tokara Strait and Kerama Gap (Amami and Okinawa) being the Central Ryukyus, and those south of the Kerama Gap (Miyako and Yaeyama) being the Southern Ryukyus. The following are the grouping and names used by the Hydrographic and Oceanographic Department of the
Japan Coast Guard The is the coast guard of Japan. The Japan Coast Guard consists of about 13,700 personnel and is responsible for the protection of the coastline of Japan under the oversight of the Ministry of Land, Infrastructure, Transport and Tourism. T ...
.Ajiro Tatsuhiko and Warita Ikuo, ''Waga kuni no kōiki na chimei oyobi sono han'i ni tsuite no chōsa kenkyū'' (The geographical names and those extents of the wide areas in Japan), Kaiyō Jōhōbu Gihō, Vol. 27, 200
online edition
The islands are listed from north to south where possible. * ** *** with: ****
Tanegashima is one of the Ōsumi Islands belonging to Kagoshima Prefecture, Japan. The island, 444.99 km2 in area, is the second largest of the Ōsumi Islands, and has a population of 33,000 people. Access to the island is by ferry, or by air to New ...
, Yaku, Kuchinoerabu, Mageshima in the North-Eastern Group, **** Takeshima, Iōjima, Kuroshima in the North-Western Group. ***:
Kuchinoshima , literally "mouth island", is one of the Tokara Islands, belonging to Kagoshima Prefecture. The island, in area, and has a population of 140 persons. The island can only be reached by boat as it has no airport, there are regular ferry service to ...
,
Nakanoshima is a 3 km long and 50 hectares narrow sandbank in Kita-ku, Osaka city, Japan, that divides the Kyū-Yodo into the Tosabori and Dōjima rivers. Many governmental and commercial offices (including the city hall of Osaka), museums and other ...
,
Gajajima , is an abandoned island in the Tokara Islands, a sub-group of the Satsunan Islands belonging to Kagoshima Prefecture, Japan. The island has an area of 4.07 km2 in area and was inhabited to 1970. Geography Gajajima is located west of Nakan ...
,
Suwanosejima is one of the Tokara Islands, belonging to Kagoshima Prefecture. The island covers 27.66 km² in area and has a population of 48 people. Although the island has an airport, there are no regularly scheduled services, and access is normally ...
, Akusekijima,
Tairajima , is one of the Tokara Islands, a sub-group of the Satsunan Islands belonging to Kagoshima Prefecture, Japan. The island, 2.08 km² in area, has a population of 89 persons. The island can only be reached by boat as it has no airport; there is ...
, Kodakarajima,
Takarajima , literally "treasure island", is one of the Tokara Islands, belonging to Kagoshima Prefecture. The island, 7.14 km² in area, has a population of 116 persons. The island can only be reached by boat as it has no airport; there is regular ferry ...
***:
Amami Ōshima , also known as Amami, is the largest island in the Amami archipelago between Kyūshū and Okinawa. It is one of the Satsunan Islands. The island, 712.35 km2 in area, has a population of approximately 73,000 people. Administratively it is d ...
,
Kikaijima is one of the Satsunan Islands, classed with the Amami archipelago between Kyūshū and Okinawa. The island, in area, has a population of approximately 7,657 persons. Administratively the island forms the town of Kikai, Kagoshima Prefecture ...
,
Kakeromajima or Kakeroma-tō is one of the Satsunan Islands, classed with the Amami archipelago between Kyūshū and Okinawa. The island, in area, has a population of approximately 1,600 persons. Administratively it is part of the town of Setouchi in Kag ...
,
Yoroshima is one of the Satsunan Islands, classed with the Amami archipelago between Kyūshū and Okinawa.''Teikoku's Complete Atlas of Japan'', Teikoku-Shoin Co., Ltd., Tokyo, , The island, 9.35  km² in area, has a population of approximately 14 ...
, Ukeshima,
Tokunoshima , also known in English as is an island in the Amami archipelago of the southern Satsunan Islands of Kagoshima Prefecture, Japan. The island, in area, has a population of approximately 27,000. The island is divided into three administrative t ...
,
Okinoerabujima , also known as Okinoerabu, is one of the Satsunan Islands, classed with the Amami archipelago between Kyūshū and Okinawa. The island, 93.63 km² in area, has a population of approximately 14,000 persons. Administratively it is divided into t ...
,
Yoronjima , also known as Yoron, is one of the Amami Islands.''Teikoku's Complete Atlas of Japan'', Teikoku-Shoin Co., Ltd., Tokyo, The island, 20.8  km² (8 sq. mi.) in area, has a population of approximately 6,000 people, and is administered as the ...
** ***:
Okinawa Island is the largest of the Okinawa Islands and the Ryukyu (''Nansei'') Islands of Japan in the Kyushu region. It is the smallest and least populated of the five main islands of Japan. The island is approximately long, an average wide, and has an ...
,
Kume is a town located in Shimajiri District, Okinawa Prefecture, Japan. The town consists of the islands of Kume, Ōjima, Ōhajima, Torishima, and Iōtorishima. Among the islands, only Kumejima and Ōjima are populated. Kumejima is located appro ...
, Iheya, Izena, Aguni, Ie (Iejima),
Iōtorishima or Iwo Tori-shima, also called Okinawa Torishima (沖縄鳥島), is a volcanic island part of the Ryūkyū Island chain with the only active volcano in Okinawa Prefecture. Geography Iotourishima is located 65 km west of Tokunoshima Isla ...
****: Tokashiki, Zamami, Aka, Geruma *** ****:
Miyakojima is the largest and the most populous island among the Miyako Islands of Okinawa Prefecture, Japan. Miyako Island is administered as part of the City of Miyakojima, which includes not only Miyako Island, but also five other populated islands. ...
, Ikema, Ōgami, Irabu, Shimoji, Kurima-jima,
Minna Minna is a city in Middle Belt Nigeria. It is the capital city of Niger State, one of Nigeria's 36 federal states. It consists of two major ethnic groups: the Gbagyi and the Nupe. History Archaeological evidence suggests settlement in th ...
, Tarama ****:
Iriomote is the largest of the Yaeyama Islands of Japan, and the second largest in Okinawa Prefecture after Okinawa Island itself. The island has an area of and a 2005 population of 2,347. The island does not have an airstrip, and most visitors — ov ...
, Ishigaki,
Taketomi is an island in the town of Taketomi, within Yaeyama District of Okinawa Prefecture, Japan. Taketomi is one of the Yaeyama Islands. The population of Taketomi Island was 323 as of January 2012. Geography Taketomi Island is located south of ...
, Kohama, Kuroshima, Aragusuku,
Hatoma Hatoma (鳩間島, ''Hatoma-jima''; Yaeyama: ''Patuma''; Okinawan: ''Hatuma'') is a small island of the Yaeyama Islands, barely 1 kilometer in diameter. It is under the administration of Taketomi District, Okinawa Prefecture, Japan. In local ...
, Yubujima,
Hateruma Hateruma (波照間島; ''Hateruma-jima''; Yaeyama: ''Patirooma'', Hateruma dialect: ''Besїma'' "our island", Okinawan: ''Hatiruma'', Northern Ryukyuan: ''Patara'') is an island in the Yaeyama District of Okinawa Prefecture, Japan. It is th ...
,
Yonaguni , one of the Yaeyama Islands, is the westernmost inhabited island of Japan, lying from the east coast of Taiwan, between the East China Sea and the Pacific Ocean proper. The island is administered as the town of Yonaguni, Yaeyama Gun, Okinaw ...
****:
Uotsurijima The are a group of uninhabited islands in the East China Sea, administered by Japan. They are located northeast of Taiwan, east of China, west of Okinawa Island, and north of the southwestern end of the Ryukyu Islands. They are known in main ...
, Kuba Jima, Taisho Jima,
Kita Kojima The are a group of uninhabited islands in the East China Sea, administered by Japan. They are located northeast of Taiwan, east of China, west of Okinawa Island, and north of the southwestern end of the Ryukyu Islands. They are known in mai ...
, Minami Kojima **: Kita Daitō, Minami Daitō, Oki Daitō The Geospatial Information Authority of Japan, another government organization that is responsible for standardization of place names, disagrees with the Japan Coast Guard over some names and their extent, but the two are working on standardization. They agreed on February 15, 2010, to use for the Amami Islands; prior to that, had also been used.


Climate

The climate of the Ryukyu islands is
sub-tropical The subtropical zones or subtropics are geographical and climate zones to the north and south of the tropics. Geographically part of the temperate zones of both hemispheres, they cover the middle latitudes from to approximately 35° north an ...
. It is significantly warmer than the main islands
Kyushu is the third-largest island of Japan's five main islands and the most southerly of the four largest islands ( i.e. excluding Okinawa). In the past, it has been known as , and . The historical regional name referred to Kyushu and its surround ...
, Shikoku and Honshu. There are occasional typhoons during the summer. Winter temperature is mild with optimal clearness of the ocean water.


Names and extents

The English and Japanese uses of the term "Ryukyu" differ. In English, the term Ryukyu may apply to the entire chain of islands, while in Japanese Ryukyu usually refers only to the islands that were previously part of the Ryūkyū Kingdom after 1624.


Nansei Islands

is the official name for the whole island chain in Japanese. Japan has used the name on nautical charts since 1907. Based on the Japanese charts, the International Hydrographic Organization, international chart series uses ''Nansei Shoto''. ''Nansei'' literally means "southwest", the direction of the island chain from mainland Japan. Some humanities scholars prefer the uncommon term for the entire island chain.Yoshinari Naoki 吉成直樹, ''Maegaki'' まえがき, Yoshinari Naoki ed., Ryūkyū-ko kasanariau rekishi ninshiki 琉球弧・重なりあう歴史認識, pp. 5–10, 2007. In geology, however, the Ryukyu Arc includes subsurface structures such as the Okinawa Trough and extends to Kyushu. During the American occupation of Amami, the Japanese government objected to the islands being included under the name "Ryukyu" in English because they worried that this might mean that the return of the Amami Islands to Japanese control would be delayed until the return of Okinawa. However, the American occupational government on Amami continued to be called the "Provisional Government for the Northern Ryukyu Islands" in English, though it was translated as in Japanese.


Ryukyu

The name of is strongly associated with the
Ryukyu Kingdom The Ryukyu Kingdom, Middle Chinese: , , Classical Chinese: (), Historical English names: ''Lew Chew'', ''Lewchew'', ''Luchu'', and ''Loochoo'', Historical French name: ''Liou-tchou'', Historical Dutch name: ''Lioe-kioe'' was a kingdom in the ...
, a kingdom that originated from the
Okinawa Islands The Okinawa Islands ( or ) are an island group in Okinawa Prefecture, Japan and are the principal island group of the prefecture. The Okinawa Islands are part of the larger Ryukyu Islands group and are located between the Amami Islands of Kagosh ...
and subjugated the Sakishima and Amami Islands. The name is generally considered outdated in Japanese although some entities of Okinawa still bear the name, such as the local University of the Ryukyus, national university. In Japanese, the cover only the Okinawa, Miyako, and Yaeyama Islands, while in English it includes the Amami and Daitō Islands. The northern half of the island chain is referred to as the Satsunan Islands, Satsunan ("South of Satsuma Domain, Satsuma") Islands in Japanese, as opposed to Northern Ryukyu Islands in English. Humanities scholars generally agree that the Amami, Okinawa, Miyako, and Yaeyama Islands share much cultural heritage, though they are characterized by a great degree of internal diversity as well. There is, however, no good name for the group.Takahashi Takayo 高橋孝代, ''Esunishiti to aidentiti'' (エスニシティとアイデンティティ), Kyōkai no jinruigaku 境界性の人類学, pp. 165–248, 2006. The native population do not have their own name, since they do not recognize themselves as a group this size. ''Ryukyu'' is the principal candidate because it roughly corresponds to the maximum extent of the Ryūkyū Kingdom. However, it is not necessarily considered neutral by the people of Amami, Miyako, and Yaeyama, who were marginalized under the Okinawa-centered kingdom. The Ōsumi Islands are not included because they are culturally part of
Kyushu is the third-largest island of Japan's five main islands and the most southerly of the four largest islands ( i.e. excluding Okinawa). In the past, it has been known as , and . The historical regional name referred to Kyushu and its surround ...
. There is a high degree of confusion in use of Ryukyu in English literature. For example, Encyclopædia Britannica equates the Ryukyu Islands with Japanese ''Ryūkyū-shotō'' or ''Nansei-shotō'' in the definition but limits its scope to the Amami, Okinawa and Sakishima (Miyako and Yaeyama) in the content.


Historical usage

"''Ryūkyū''" is an exonym and is not a self-designation. The word first appeared in the ''Book of Sui'' (636). Its obscure description of Liuqiu (medieval), Liuqiu () is the source of a never-ending scholarly debate about whether the name referred to Taiwan, Okinawa or both. Nevertheless, the ''Book of Sui'' shaped perceptions of Ryūkyū for a long time. Ryūkyū was considered a land of cannibals and aroused a feeling of dread among surrounding people, from Buddhist monk Enchin who traveled to Tang China in 858 to an informant of the ''Hyōtō Ryūkyū-koku ki'' who traveled to Song China in 1243.Tanaka Fumio 田中史生, ''Kodai no Amami Okinawa shotō to kokusai shakai'' 古代の奄美・沖縄諸島と国際社会, Ikeda Yoshifumi ed., Kodai chūsei no kyōkai ryōiki 古代中世の境界領域, pp. 49–70, 2008. Later, some Chinese sources used "Great Ryukyu" () for Okinawa and "Lesser Ryukyu" () for Taiwan. Okinawan forms of "Ryūkyū" are or in Okinawan language, Okinawan and in the Kunigami language. An Okinawan man was recorded as having referred to himself as a "Doo Choo man" during Commodore Matthew C. Perry's visit to the Ryūkyū Kingdom in 1852. From about 1829 until the mid-20th century, the islands' English name was spelled ''Luchu'', ''Loochoo'', ''Loo-choo'', or ''Lewchew'', all pronounced . These spellings were based on the Okinawan form , as well as the Chinese pronunciation of the characters "", which in Mandarin is ''Liúqiú''.


Okinawa

, ''Okinawa'' in Okinawan language, Okinawan, is originally a native name for the largest island in the island chain. The island was referred to as in the 8th century biography of Jianzhen (唐大和上東征傳). It is also specified as in hiragana in the collection of , known as Ryukyu's official poetry book. It was not until the 18th century that Okinawa was specified in its own script as 沖縄. The Japanese map series known as the Ryukyu Kuniezu lists the island as in 1644 and after 1702. The name ''Okinawa Shima'' was chosen by the Meiji government for the new prefecture when they annexed the Ryukyu Kingdom in 1879. Outside of Okinawa Prefecture, the word "Okinawa" is used to refer to Okinawa Prefecture and does not include Kagoshima Prefecture. (People from the Amami Islands, Kagoshima Prefecture object to being included in "Okinawa".) Inside Okinawa Prefecture, "Okinawa" is used to refer to Okinawa Island, and does not include the Miyako and Yaeyama Islands. People in the Yaeyama Islands use the expression "go to Okinawa" when they visit Okinawa Island. Some scholars group the Amami and Okinawa Islands together because in some respects (e.g. from a linguistic point of view) Amami is closer to Okinawa than to Miyako and Yaeyama, but there is no established single-word term for the group since the native population had not felt the need for such a concept. Japanese scholars use "Amami–Okinawa" while American and European scholars use "Northern Ryukyuan".


Southern Islands

The folklorist Kunio Yanagita and his followers used . This term was originally used by the imperial court of Ancient Japan. Yanagita hypothesized that the southern islands were the origin of the Japanese people and preserved many elements that were subsequently lost in Japan. The term is outdated today.


History


The Eastern Islands of Liukiu

The first mention of the islands in Chinese literature occur in the Annals of the Qin Dynasty. Qin Shi Huang heard of "happy immortals" living on the Eastern Islands, so he sent expeditions there to find the Elixir of life#China, source of immortality, to no avail. Based on Ryukyuan folklore on Kudaka Island, some scholars believe that these expeditions succeeded in reaching Japan and launched a social and agricultural revolution there. The Eastern Islands are again mentioned as the land of immortals in the Annals of the Han Dynasty. In 601, the Chinese sent an expedition to the "Country of Liukiu" (). They noted that the people were small but pugnacious. The Chinese couldn't understand the local language and returned to China. In 607, they sent another expedition to trade, and brought back one of the islanders. A Japanese embassy was in Louyang, Loyang when the expedition returned, and one of the Japanese exclaimed that the islander wore the dress and spoke the language of Yaku Island. In 610, a final expedition was sent with an army that demanded submission to the Chinese Emperor. The islanders fought the Chinese, but their "palaces" were burned and "thousands" of people were taken captive, and the Chinese left the island.


Ancient Japan's Southern Islands

The island chain appeared in Japanese written history as . The first record of the Southern Islands is an article of 618 in the ''Nihonshoki'' (720) which states that people of followed the Chinese emperor's virtue. In 629, the imperial court dispatched an expedition to ''Yaku''. ''Yaku'' in historical sources was not limited to modern-day Yakushima but seems to have covered a broader area of the island chain. In 657, several persons from arrived at Kyushu, reporting that they had first drifted to , which is the first attested use of ''Amami''.Yasutani Suzuki 鈴木靖民, ''Nantō-jin no raichō wo meguru kisoteki kōsatsu'' 南島人の來朝をめぐる基礎的考察, Higashi Ajia to Nihon 東アジアと日本, pp. 347–98, 1987. Articles of the late 7th century give a closer look at the southern islands. In 677, the imperial court gave a banquet to people from . In 679, the imperial court sent a mission to Tane Island. The mission carried some people from the southern islands who were described as the peoples of Tane, Yaku, and in the article of 682. According to the ''Shoku Nihongi'' (797), the imperial court dispatched armed officers in 698 to explore the southern islands. As a result, people of Tane, Yaku, Amami and ''Dokan'' visited the capital (then Fujiwara-kyō) to pay tribute in the next year. Historians identify ''Dokan'' as
Tokunoshima , also known in English as is an island in the Amami archipelago of the southern Satsunan Islands of Kagoshima Prefecture, Japan. The island, in area, has a population of approximately 27,000. The island is divided into three administrative t ...
of the Amami Islands. An article of 714 reports that an investigative team returned to the capital, together with people of Amami, , and among others. ''Shigaki'' should be Ishigaki Island of the
Yaeyama Islands The Yaeyama Islands (八重山列島 ''Yaeyama-rettō'', also 八重山諸島 ''Yaeyama-shotō'', Yaeyama: ''Yaima'', Yonaguni: ''Daama'', Okinawan: ''Yeema'', Northern Ryukyuan: ''Yapema'') are an archipelago in the southwest of Okinawa P ...
. Some identify ''Kumi'' as Iriomote Island of the Yaeyama Islands because Komi is an older name for Iriomote. Others consider that ''Kumi'' corresponded to Kume Island of the
Okinawa Islands The Okinawa Islands ( or ) are an island group in Okinawa Prefecture, Japan and are the principal island group of the prefecture. The Okinawa Islands are part of the larger Ryukyu Islands group and are located between the Amami Islands of Kagosh ...
. Around this time "Southern Islands" replaced Yaku as a collective name for the southern islands. In the early 8th century, the northern end of the island chain was formally incorporated into the Japanese administrative system. After a rebellion was crushed, Tane Province was established around 702. Tane Province consisted of four districts and covered
Tanegashima is one of the Ōsumi Islands belonging to Kagoshima Prefecture, Japan. The island, 444.99 km2 in area, is the second largest of the Ōsumi Islands, and has a population of 33,000 people. Access to the island is by ferry, or by air to New ...
and Yakushima. Although the tiny province faced financial difficulties from the very beginning, it was maintained until 824 when it was merged into Ōsumi Province.Izumi Haraguchi 原口泉, Shūichi Nagayama 永山修一, Masamori Hinokuma 日隈正守, Chitoshi Matsuo 松尾千歳, Takeichi Minamura 皆村武一: ''Kagoshima-ken no rekishi'' 鹿兒島縣の歴史, 1999. Ancient Japan's commitment to the southern islands is attributed to ideological and strategic factors. Japan applied to herself the Chinese ideology of emperorship that required "barbarian people" who longed for the great virtue of the emperor. Thus Japan treated people on its periphery, i.e., the Emishi to the east and the Hayato people, Hayato and the Southern Islanders to the south, as "barbarians". The imperial court brought some of them to the capital to serve the emperor. The ''New Book of Tang'' (1060) states at the end of the chapter of Japan that there were three little princes of , , and . This statement should have been based on a report by Japanese envoys in the early 8th century who would have claimed the Japanese emperor's virtue. At the site of Dazaifu (term), Dazaifu, the administrative center of Kyushu, two wooden tags dated in the early 8th century were unearthed in 1984, which read and respectively. The latter seems to correspond to Okinoerabu Island. These tags might have been attached to "red woods", which, according to the ''Engishiki'' (927), Dazaifu was to offer when they were obtained from the southern islands. The southern islands had strategic importance for Japan because they were on one of the three major routes used by Japanese missions to Tang China (630–840). The 702 mission seems to have been the first to successfully switch from the earlier route via Korea to the southern island route. The missions of 714, 733 and 752 probably took the same route. In 754 the Chinese monk Jianzhen managed to reach Japan. His biography ''Tō Daiwajō Tōseiden'' (779) makes reference to on the route, which may refer to modern-day Okinawa Island. An article of 754 states that the government repaired mileposts that had originally been set in the southern islands in 735. However, the missions from 777 onward chose another route that directly connected Kyūshū to China. Thereafter the central government lost its interest in the southern islands.


Kikaigashima and Iōgashima

The southern islands reappeared in written history at the end of the 10th century. According to the ''Nihongi ryaku'' (c. 11th–12th centuries), Dazaifu (term), Dazaifu, the administrative center of Kyushu, reported that the ''Nanban'' (southern barbarians) pirates, who were identified as Amami islanders by the ''Shōyūki'' (982–1032 for the extant portion), pillaged a wide area of Kyūshū in 997. In response, Dazaifu ordered to arrest the ''Nanban''. This is the first attested use of ''Kikaigashima'', which is often used in subsequent sources.Yasutami Suzuki 鈴木靖民, ''Kikai-jima Gusuku isekigun to kodai nantō shakai'' 喜界島城久遺跡群と古代南島社会, Kodai chūsei no kyōkai ryōiki 古代中世の境界領域, pp. 17–48, 2008. The series of reports suggest that there were groups of people with advanced sailing technology in Amami and that Dazaifu had a stronghold in Kikai Island. In fact, historians hypothesize that the Amami Islands were incorporated into a trade network that connected it to Kyūshū, Song China and Goryeo. In fact, the ''Shōyūki'' recorded that in the 1020s, local governors of southern Kyūshū presented to the author, a court aristocrat, local specialties of the southern islands including the Chinese fan palm, red woods, and shells of Turbo marmoratus, Green Turban Shell. The ''Shinsarugakuki'', a fictional work written in the mid-11th century, introduced a merchant named Hachirō-mauto, who traveled all the way to the land of the Fushū in the east and to in the west. The goods he obtained from the southern islands included shells of Green Turban Shell and sulfur. The ''Shinsarugakuki'' was not mere fiction; the Golden Hall of Chūson-ji (c. 1124) in northeastern Japan was decorated with tens of thousands of green turban shells. Some articles of 1187 of the ''Azuma Kagami'' state that Ata Tadakage of Satsuma Province fled to sometime around 1160. The ''Azuma Kagami'' also states that in 1188 Minamoto no Yoritomo, who soon became the ''shōgun'', dispatched troops to pacify . It was noted that the imperial court objected the military expedition claiming that it was beyond Japan's administration. The ''Tale of the Heike'' (13th century) depicted , where Shunkan, Taira no Yasuyori, and Fujiwara no Naritsune were exiled following the Shishigatani Incident of 1177. The island depicted, characterized by sulfur, is identified as Iōjima of the Ōsumi Islands, which is part of Kikai Caldera. Since China's invention of gunpowder made sulfur Japan's major export, Sulfur Island or ''Iōgashima'' became another representative of the southern islands. It is noted by scholars that the character representing the first syllable of ''Kikai'' changed from to from the end of the 12th century to the early 13th century.Osamu Takanashi 高梨修, ''Gusuku isekigun to Kikai-ga-shima'' 城久遺跡群とキカイガシマ, Nichiryū Bōeki no reimei 日琉交易の黎明, pp. 121–149, 2008 The literature-based theory that Kikai Island was Japan's trade center of the southern islands is supported by the discovery of the Gusuku Site Complex in 2006. The group of archaeological sites on the plateau of Kikai Island is one of the largest sites of the era. It lasted from 9th to 13th centuries and at its height from the second half of the 11th to the first half of the 12th century. It was characterized by a near-total absence of the native Kaneku Type pottery, which prevailed in coastal communities. What were found instead were goods imported from mainland Japan, China and Korea. Also found was the Kamuiyaki pottery, which was produced in
Tokunoshima , also known in English as is an island in the Amami archipelago of the southern Satsunan Islands of Kagoshima Prefecture, Japan. The island, in area, has a population of approximately 27,000. The island is divided into three administrative t ...
from the 11th to 14th centuries. The skewed distribution of Kamuiyaki peaked at Kikai and Tokunoshima suggests that the purpose of Kamuiyaki production was to serve it to Kikai.Osamu Takanashi 高梨修, ''Rettō nan'en ni okeru kyōkai ryōiki no yōsō'' 列島南縁における境界領域の様相, Kodai makki Nihon no kyōkai 古代末期・日本の境界, pp. 85–130, 2010


Shimazu Estate and Kamakura shogunate's expansion

Around the Hōen era (1135–1141), Tanegashima became part of Shimazu Estate on southern Kyūshū. The Shimazu Estate was said to have established at Shimazu, Hyūga Province in 1020s and dedicated to ''Kanpaku'' Fujiwara no Yorimichi. In the 12th century, Shimazu Estate expanded to a large portion of the Satsuma Province, Satsuma and Ōsumi Provinces including Tanegashima. Shimazu Tadahisa, Koremune no Tadahisa, a retainer of the Fujiwara family, was appointed as a steward of Shimazu Estate in 1185. He was then named ''shugo'' of Satsuma and Ōsumi (and later Hyūga) Provinces by first ''shōgun'' Minamoto no Yoritomo in 1197. He became the founder of the Shimazu clan. Tadahisa lost power when his powerful relative Hiki Yoshikazu was overthrown in 1203. He lost the positions of ''shugo'' and ''jitō'' and only regained the posts of ''shugo'' of Satsuma Province and ''jitō'' of the Satsuma portion of Shimazu Estate. The ''shugo'' of Ōsumi Province and ''jitō'' of the Ōsumi portion of Shimazu Estate, both of which controlled Tanegashima, were succeeded by the Hōjō clan (especially its Nagoe branch). The Nagoe family sent the Higo clan to rule Ōsumi. A branch family of the Higo clan settled in Tanegashima and became the Tanegashima clan. The islands other than Tanegashima were grouped as the Twelve Islands and treated as part of Kawanabe District, Satsuma Province. The Twelve Islands were subdivided into the and the . The Near Five consisted of the Ōsumi Islands except Tanegashima while the Remote Seven corresponded to the Tokara Islands. After the Jōkyū War in 1221, the ''jitō'' of Kawanabe District was assumed by the Hōjō Tokusō family. The Tokusō family let its retainer Chikama clan rule Kawanabe District. In 1306, Chikama Tokiie created a set of inheritance documents that made reference to various southern islands. The islands mentioned were not limited to the Twelve but included
Amami Ōshima , also known as Amami, is the largest island in the Amami archipelago between Kyūshū and Okinawa. It is one of the Satsunan Islands. The island, 712.35 km2 in area, has a population of approximately 73,000 people. Administratively it is d ...
, Kikai Island and
Tokunoshima , also known in English as is an island in the Amami archipelago of the southern Satsunan Islands of Kagoshima Prefecture, Japan. The island, in area, has a population of approximately 27,000. The island is divided into three administrative t ...
(and possibly Okinoerabu Island) of the Amami Islands. An extant Map of Japan (Kanazawa Bunko), map of Japan held by the Hōjō clan describes Amami as a "privately owned district". The Shimazu clan also claimed the rights to the Twelve. In 1227 ''Shōgun'' Kujō Yoritsune affirmed Shimazu Tadayoshi's position as the ''jitō'' of the Twelve Islands among others. After the Kamakura shogunate was destroyed, the Shimazu clan increased its rights. In 1364, it claimed the "eighteen islands" of Kawanabe District. In the same year, the clan's head Shimazu Sadahisa gave his son Morohisa properties in Satsuma Province including the Twelve Islands and the "extra five" islands. The latter must be the Amami Islands.Shūichi Nagayama 永山修一, ''Bunken kara mita Kikaigashima'' 文献から見たキカイガシマ, Yoshifumi Ikeda ed., Kodai chūsei no kyōkai ryōiki 古代中世の境界領域, pp. 123–150, 2008.


Tanegashima under the Tanegashima clan

The Tanegashima clan came to rule Tanegashima on behalf of the Nagoe family but soon became autonomous. It usually allied with, sometimes submitted itself to, and sometimes antagonized the Shimazu clan on mainland Kyūshū. The Tanegashima clan was given Yakushima and Kuchinoerabu Island by Shimazu Motohisa in 1415. In 1436, it was given the Seven Islands of Kawanabe District, Satsuma Province (the Tokara Islands) and other two islands by Shimazu Mochihisa, the head of a branch family.''Kagoshima-ken shi'' 鹿兒島縣史 Vol.1, pp. 1933. Tanegashima is known in Japanese history for the introduction of European firearms to Japan. Around 1543, a Chinese junk with Portuguese merchants on board was driven to Tanegashima. Tanegashima Tokitaka succeeded in reproducing matchlock rifles obtained from the Portuguese. Within a few decades, firearms, then known as ''Tanegashima (Japanese matchlock), tanegashima'', were spread across Sengoku period, Sengoku Japan. Toyotomi Hideyoshi's reunification of Japan finalized the Tanegashima clan's status as a senior vassal of the Shimazu clan. It was relocated to Chiran, Kagoshima, Chiran of mainland Kyūshū in 1595. Although it moved back to Tanegashima in 1599, Yakushima and Kuchinoerabu Island fall under the direct control of the Shimazu clan. These islands all constituted Satsuma Domain during the Edo period.


Amami and Tokara Islands

The Amami Islands were a focal point for dispute between the southward-expanding Satsuma Domain and the northward-expanding Ryukyu Kingdom. In 1453, a group of Koreans were shipwrecked on Gajajima, Gaja Island, where they found the island half under the control of Satsuma and half under the control of Ryukyu. Gaja Island is only 80 miles from Satsuma's capital at Kagoshima City. The Koreans noted that the Ryukyuans used guns "as advanced as in [Korea]". Other records of activity in the Amami Islands show Shō Toku's conquest of Kikai Island in 1466, a failed Satsuma invasion of Amami Ōshima in 1493, and two rebellions on Amami Ōshima during the 16th century. The islands were finally conquered by Satsuma during the 1609 Invasion of Ryukyu. The Tokugawa shogunate granted Satsuma the islands in 1624. During the Edo Period, Ryukyuans referred to Satsuma's ships as "Tokara ships".


Okinawa Islands

Polities of the Okinawa Islands were unified as the Ryukyu Kingdom, Ryūkyū Kingdom in 1429, a tributary state of the Ming dynasty, Ming Imperial China. The kingdom conquered the Miyako and Yaeyama Islands. At its peak, it also subjected the Amami Islands to its rule. In 1609, Shimazu Tadatsune, Lord of Satsuma Province, Satsuma, invaded the Ryūkyū Kingdom with a fleet of 13 Junk (ship), junks and 2,500 samurai, thereby establishing suzerainty over the islands. They faced little opposition from the Ryukyuans, who lacked any significant military capabilities, and who were ordered by King Shō Nei to surrender rather than to suffer the loss of precious lives. After that, the kings of the Ryukyus paid tribute to the Japanese ''shōgun'' as well as to the Chinese emperor. During this period, Ryukyu kings were selected by a Japanese clan, unbeknownst to the Chinese, who believed the Ryukyus to be a loyal tributary. In 1655, the tributary relations between Ryukyu and Qing were formally approved by the shogunate. In 1874, the Ryukyus terminated tribute relations with China.Lin, Man-houng Lin
"The Ryukyus and Taiwan in the East Asian Seas: A Longue Durée Perspective"
, ''Asia-Pacific Journal: Japan Focus''. October 27, 2006, translated and abridged from ''Academia Sinica Weekly'', No. 1084. 24 August 2006.
In 1872, the Japanese government established the Ryukyu ''han system, han'' under the jurisdiction of the Foreign Ministry. In 1875, jurisdiction over the Ryukyus changed from the Foreign Ministry to the Home Ministry. In 1879, the Meiji government announced the History of Ryukyu Islands, annexation of the Ryukyus, establishing it as
Okinawa Prefecture is a Prefectures of Japan, prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 Square kilometre, km2 (880 sq mi). ...
and forcing the Ryukyu king to move to Tokyo. When China signed the Treaty of Shimonoseki after its 1895 defeat in the First Sino-Japanese War, China officially abandoned its claims to the Ryukyus. American military control over Okinawa began in 1945 with the establishment of the United States Military Government of the Ryukyu Islands, which in 1950 became the United States Civil Administration of the Ryukyu Islands. Also in 1950, the was formed, which evolved into the in 1951. In 1952, the U.S. was formally granted control over Ryukyu Islands south of 29°N latitude, and other Pacific islands, under the Treaty of San Francisco, San Francisco Peace Treaty between the Allied Powers and Japan. The Ryukyu Provisional Central Government then became the Government of the Ryukyu Islands which existed from 1952 to 1972. Administrative rights reverted to Japan in 1972, under the 1971 Okinawa Reversion Agreement. Today, numerous issues arise from Okinawan history. Some Ryukyuans and some Japanese feel that people from the Ryukyus are different from the majority Yamato people. Some natives of the Ryukyus claim that the central government is discriminating against the islanders by allowing so many American soldiers to be stationed on bases in Okinawa with a minimal presence on the mainland. Additionally, there is some discussion of Ryūkyū independence movement, secession from Japan. As the Senkaku Islands dispute, territorial dispute between China and Japan over the Senkaku Islands intensified in the early 21st century, Communist Party of China-backed scholars published essays calling for a reexamination of Japan's sovereignty over the Ryukyus. In 2013 ''The New York Times'' described the comments by said scholars as well as military figures as appearing to constitute "a semiofficial campaign in China to question Japanese rule of the islands", noting that "almost all the voices in China pressing the Okinawa issue are affiliated in some way with the government". Taiwan also claims the Senkaku Islands, Senkaku islands but made it clear on multiple occasions that they will not work with China over the Senkaku Islands dispute. Many Ryukyuan music, popular singers and musical groups come from Okinawa Prefecture. These include the groups Speed (Japanese band), Speed and Orange Range, as well as solo singers Namie Amuro and Gackt, among many others.


Historical description of the "''Loo-Choo''" islands

The islands were described by Hayashi Shihei in ''Sangoku Tsūran Zusetsu'', which was published in 1785. An article in the 1878 edition of the ''Globe Encyclopaedia of Universal Information'' describes the islands:Ross, J.M. (editor) (1878)
"Globe Encyclopaedia of Universal Information"
, Vol. IV, Edinburgh-Scotland, Thomas C. Jack, Grange Publishing Works, retrieved from Google Books 2009-03-18
:
''Loo-Choo, Lu-Tchu'', or ''Lieu-Kieu'', a group of thirty-six islands stretching from Japan to Formosa, in 26°–27°40′ N. lat., 126°10′–129°5′ E. long., and tributary to Japan. The largest, Tsju San ('middle island'), is about 60 miles long and 12 [miles] broad; others are Sannan in the [south] and Sanbok in the [north]. Nawa, the chief port of Tsju San, is open to foreign commerce. The islands enjoy a magnificent climate and are highly cultivated and very productive. Among the productions are tea, rice, sugar, tobacco, camphor, fruits, and silk. The principal manufactures are cotton, paper, porcelain, and lacquered ware. The people, who are small, seem a link between the Chinese and Japanese.


Population


Ryukyuan native people

During the Meiji Period, Ryukyuan ethnic identity, tradition, culture and language were suppressed by the Meiji government, which sought to assimilate the Ryukyuan people as Japanese (Yamato people, Yamato). Many ethnic Japanese migrated to the Ryukyu Islands and mixed with the Ryukyuan people. The residents of the island chain are Japanese citizens. Labeling them as Japanese poses no problem with regard to the Ōsumi Islands and Tokara Islands in the north, but there are problems about the ethnicity of the residents of the central and southern groups of the island chain. Scholars who recognize shared heritage among the native population of the Amami, Okinawa, Miyako and Yaeyama Islands label them as . But nowadays, the residents of these Ryukyu Islands do not identify themselves as such, although they share the notion that they are somewhat different from Japanese, whom they call "Yamato" or "Naicha". Now, they usually express self-identity as the native of a particular island. Their identity can extend to an island and then to Japan as a whole, but rarely to intermediate regions. For example, the people of
Okinawa Island is the largest of the Okinawa Islands and the Ryukyu (''Nansei'') Islands of Japan in the Kyushu region. It is the smallest and least populated of the five main islands of Japan. The island is approximately long, an average wide, and has an ...
refer to themselves as and the people of
Okinoerabujima , also known as Okinoerabu, is one of the Satsunan Islands, classed with the Amami archipelago between Kyūshū and Okinawa. The island, 93.63 km² in area, has a population of approximately 14,000 persons. Administratively it is divided into t ...
in the Amami Islands call themselves the , while referring to the Okinawans as ''Uchinaanchu'' or , as they consider themselves distinct from the Okinawans. Other terms used include and in the Amami Islands, in the
Yaeyama Islands The Yaeyama Islands (八重山列島 ''Yaeyama-rettō'', also 八重山諸島 ''Yaeyama-shotō'', Yaeyama: ''Yaima'', Yonaguni: ''Daama'', Okinawan: ''Yeema'', Northern Ryukyuan: ''Yapema'') are an archipelago in the southwest of Okinawa P ...
, on
Yoronjima , also known as Yoron, is one of the Amami Islands.''Teikoku's Complete Atlas of Japan'', Teikoku-Shoin Co., Ltd., Tokyo, The island, 20.8  km² (8 sq. mi.) in area, has a population of approximately 6,000 people, and is administered as the ...
and in the
Miyako Islands The (also Miyako Jima group) are a group of islands in Okinawa Prefecture, Japan, belonging to the Ryukyu Islands. They are situated between the Okinawa Island and Yaeyama Islands. In the early 1870s, the population of the islands was estima ...
.


Religion

The indigenous Ryukyuan religion is generally characterized by Veneration of the dead, ancestor worship (more accurately termed "ancestor respect") and the respecting of relationships between the living, the dead, and the gods and spirits of the natural world. Some of its beliefs are indicative of its ancient animism, animistic roots, such as those concerning ''genius loci, local spirits'' and many other beings classified between gods and humans. Ryukyuan religious practice has been influenced by religion in China, Chinese religions (Taoism, Confucianism, and Chinese folk religion, folk beliefs), Buddhism and Japanese Shinto. Roman Catholics are pastorally served by their own Roman Catholic Diocese of Naha, which was founded in 1947 as the "Apostolic Administration of Okinawa and the Southern Islands".


Ecology


Biogeographic boundaries

Watase's Line marks a major biogeographic boundary. The Ōsumi islands north of the line belong to the Palearctic realm while the Amami islands south of it are at the northern limit of the Indomalayan realm. A deep undersea canyon, the Tokara Gap, lies to the east of the Tokara islands, but where the line crosses the island chain is disputed. It has been "placed between Akusekijima and Kodakarajima islands of the Tokara Islands, Tokara archipelago", but there is variation throughout the Tokaras, with multiple inter-island gaps having similar influence. Species diffusion among the Tokara islands is thought to have been over sea, not via land bridge, and their faunal composition also depends on other factors such as island size. Miyake's line for insects lies between Kyūshū and the Ōsumi island groups, and Hachisuka's line for birds between the Okinawa and Miyako groups.


Yakushima

Yakushima in Ōsumi is the southern limit of the Palearctic realm. It features millennium-old cedar trees. The island is part of Kirishima-Yaku National Park and was designated as World Heritage Site by UNESCO in 1993.


Amami, Okinawa, Miyako, and Yaeyama

The south of Watase's Line is recognized by ecologists as a distinct tropical and subtropical moist broadleaf forests, subtropical moist broadleaf forest ecoregion. The flora and fauna of the islands have much in common with Taiwan, the Philippines, and Southeast Asia, and are part of the Indomalayan realm. The coral reefs are among the World Wildlife Fund's Global 200 ecoregions. The reefs are endangered by sedimentation and eutrophication, which result from agriculture as well as fishing. Mammals endemic to the islands include Amami Rabbit, Ryukyu flying fox, Ryukyu long-tailed giant rat, Ryukyu shrew and perhaps Iriomote cat. Birds found in the Ryukyus include the Amami woodcock, the Izu thrush, the Japanese paradise flycatcher, the narcissus flycatcher, the Okinawa rail (''yanbaru kuina''), the Lidth's Jay, the Ryukyu kingfisher, the Ryukyu minivet, the Ryukyu robin, the Ryūkyū scops owl, the extinct Ryukyu wood pigeon, Amami woodpecker and the Okinawa woodpecker. Approximately one half of the amphibian species of the islands are endemic. Endemic amphibians include the sword-tail newt, ''Hyla hallowellii'', Holst's frog, Otton frog, Ishikawa's frog, the Ryukyu tip-nosed frog, and Namiye's frog. Other rare amphibians include Anderson's crocodile newt and the Kampira Falls frog. Various venomous species of viper known locally as ''habu'' also inhabit the Ryukyus, including ''Protobothrops elegans'', ''Protobothrops flavoviridis'', ''Protobothrops tokarensis'', and ''Ovophis okinavensis''. Other snakes native to the Ryukyus are ''Achalinus werneri'', ''Achalinus formosanus'', ''Elaphe carinata'', ''Elaphe taeniura'', ''Cyclophiops semicarinatus'', ''Cyclophiops herminae'', ''Dinodon semicarinatum'', ''Lycodon rufozonatus'', ''Calamaria pfefferri'', ''Amphiesma pryeri'', ''Calliophis japonicus'', ''Laticauda semifasciata'', and ''Hydrophis ornatus''. Lizards native to the islands include Kishinoue's giant skink, Kuroiwa's ground gecko, ''Japalura polygonata'', ''Plestiodon stimpsonii'', ''Plestiodon marginatus'', ''Scincella boettgeri'', ''Scincella vandenburghi'', ''Ateuchosaurus pellopleurus'', ''Cryptoblepharus boutonii nigropunctatus'', ''Apeltonotus dorsalis'', and ''Takydromus toyamai''. Subspecies of the Chinese box turtle and the yellow pond turtle are native to the islands, as is the Ryukyu black-breasted leaf turtle.


See also

*Nanpō Islands *Ryukyu Trench *Tanegashima Space Center


Notes


References


Citations


Sources

* * * * * * * *''This article incorporates text from the 1878 edition of the ''Globe Encyclopaedia of Universal Information'', a work in the public domain''


External links


A Brief History of the Uchinanchu (Okinawans)
*National Archives of Japan
''Ryukyu Chuzano ryoshisha tojogyoretsu'', scroll illustrating procession of Ryukyu emissary to Edo, ''Hōei'' 7 (1710)
*Historic maps in the Perry–Castañeda Library Map Collection by the Army Map Service
Ryukyu Retto 1:50,000 Series L791, 1943–1945
{{Authority control Ryukyu Islands, Archipelagoes of Japan Ecoregions of Japan Marine ecoregions Archipelagoes of the Pacific Ocean