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Wakkanai ( 稚内市 , Wakkanai-shi , Ainu : ヤㇺワッカナィ Yam-wakka-nay meaning "cold water river" or more literally "cold river valley") is a city located in Sōya Subprefecture , Hokkaido , Japan . It is the capital of Sōya Subprefecture. Wakkanai is home to Japan's first nursing home built inside the central train station of its city, a novel approach to caring for Japan's growing elderly population that has since been imitated in several other cities.

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81-537: As of 31 July 2024, the city had an estimated population of 30,590 in 17150 households, and a population density of 40 persons per km. The total area of the city is 761.42 km (293.99 sq mi). Wakkanai is at the northern tip of Hokkaido, and faces the Sea of Japan to the west, Sōya Bay and the Sōya Strait to the north, and the Sea of Okhotsk to the east. Japan's northernmost point, Cape Sōya ,

162-408: A sexual population is the area where interbreeding is possible between any opposite-sex pair within the area and more probable than cross-breeding with individuals from other areas. In humans , interbreeding is unrestricted by racial differences, as all humans belong to the same species of Homo sapiens. In ecology, the population of a certain species in a certain area can be estimated using

243-414: A submarine base . Wakkanai was far enough north to be outside the range of American bombers and was safe from air attacks. Until the early to mid-1960s, the northern portion of the harbor remained divided by concrete sub-mooring pens. The large breakwater structure (which still exists) was actually a sub-repair facility. At the shore end there was a huge winching mechanism capable of hauling subs up into

324-589: A big city in Japan after Asahikawa and Aomori and one of the highest anywhere in the world. For comparison, Nain in Canada receives 194 inches (4.9 m) of snow. The Aleutian Low also makes the sunshine hours the lowest of Japan's major population centres and in the winter the wind speeds are the highest in Japan with an average of 20.2 km/h (12.6 mph), which adds to the −4.7 °C (23.5 °F) cold of

405-471: A day to and from Asahikawa, with a change of trains to either a Lilac or Kamui limited express service at Asahikawa required to reach Sapporo. Heartland Ferry operates seasonal ferry service to Rebun Island and Rishiri Island . Ferry service to Korsakov on Sakhalin Island was terminated on September 18, 2015. Wakkanai mayor Hiroshi Kudo pledged to restore ferry service to Sakhalin and in 2016,

486-531: A fall in tax revenue in the early 1720s, as a result he pushed for the Kyoho reforms to repair the finances of the bakufu as he believed the military aristocracy was losing its power against the rich merchants and landowners. Society in the Tokugawa period , unlike in previous shogunates, was supposedly based on the strict class hierarchy originally established by Toyotomi Hideyoshi . The daimyō (lords) were at

567-476: A few programs, most notably the Chinese government's one-child per family policy, have resorted to coercive measures. In the 1970s, tension grew between population control advocates and women's health activists who advanced women's reproductive rights as part of a human rights -based approach. Growing opposition to the narrow population control focus led to a significant change in population control policies in

648-503: A multitude), which itself is derived from the Latin word populus (a people). In sociology and population geography , population refers to a group of human beings with some predefined feature in common, such as location, race , ethnicity , nationality , or religion . In ecology , a population is a group of organisms of the same species which inhabit the same geographical area and are capable of interbreeding . The area of

729-619: A typical winter day. The city's port is usually usable throughout the year, but does occasionally freeze in cold winters. The highest temperature ever recorded in Wakkanai was 32.7 °C (90.9 °F) on 29 July 2021. The coldest temperature ever recorded was −19.4 °C (−2.9 °F) on 30 January 1944. Per Japanese census data, the population of Wakkanai is as shown below. As of today, most of Wakkanai's residents are ethnic Japanese and can speak Japanese as well. However, smaller fractions of them tend to have Russian ancestry , due to

810-540: Is an abbreviation of bakufu , meaning " military government "—that is, the shogunate. The han were the domains headed by daimyō . Beginning from Ieyasu's appointment as shogun in 1603, but especially after the Tokugawa victory in Osaka in 1615, various policies were implemented to assert the shogunate's control, which severely curtailed the daimyos' independence. The number of daimyos varied but stabilized at around 270. The bakuhan system split feudal power between

891-418: Is cold enough not to fall in a maritime climate ( Cfb ) and the summers although very mild for typical climate is warm enough not to fall into a subarctic climate ( Dfc ), both in the classification of Koppen . The mean annual temperature, at 6.8 °C (44.2 °F), is the second lowest for a significant population centre in Japan after Nemuro . Snowfall at 6.6 metres (260 in), the third highest for

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972-461: Is located in Wakkanai, which is on a peninsula jutting towards Sakhalin Island in Russia , which is 43 kilometers (27 miles) away. The city has a length of approximately 39 kilometers from north-to-south and 38 kilometers from east-to-west. The northernmost point is Benten-jima (45°31′35″N, 141°55′09″E), located northwest of Cape Sōya. This is the northernmost point of the land area currently under

1053-609: Is not even known to the nearest million, so there is a considerable margin of error in such estimates. Researcher Carl Haub calculated that a total of over 100 billion people have probably been born in the last 2000 years. Population growth increased significantly as the Industrial Revolution gathered pace from 1700 onwards. The last 50 years have seen a yet more rapid increase in the rate of population growth due to medical advances and substantial increases in agricultural productivity, particularly beginning in

1134-611: Is often referred to as the demographic transition . Human population planning is the practice of altering the rate of growth of a human population. Historically, human population control has been implemented with the goal of limiting the rate of population growth. In the period from the 1950s to the 1980s, concerns about global population growth and its effects on poverty, environmental degradation , and political stability led to efforts to reduce population growth rates. While population control can involve measures that improve people's lives by giving them greater control of their reproduction,

1215-470: Is the term typically used to refer to the number of people in a single area. Governments conduct a census to quantify the size of a resident population within a given jurisdiction. The term is also applied to non-human animals , microorganisms , and plants , and has specific uses within such fields as ecology and genetics . The word population is derived from the Late Latin populatio (a people,

1296-715: Is very likely that the world's population will stop growing before the end of the 21st century. Further, there is some likelihood that population will actually decline before 2100. Population has already declined in the last decade or two in Eastern Europe, the Baltics and in the former Commonwealth of Independent States. The population pattern of less-developed regions of the world in recent years has been marked by gradually declining birth rates. These followed an earlier sharp reduction in death rates. This transition from high birth and death rates to low birth and death rates

1377-768: The Imperial Court in Kyoto to the Tokugawa family. While the Emperor officially had the prerogative of appointing the shōgun and received generous subsidies, he had virtually no say in state affairs. The shogunate issued the Laws for the Imperial and Court Officials ( kinchu narabini kuge shohatto 禁中並公家諸法度) to set out its relationship with the Imperial family and the kuge (imperial court officials), and specified that

1458-645: The Kuril Islands , 841 Japanese settlers in Sakhalin were relocated to Wakkanai. A county office and headman's office established in Soya in 1879, which is regarded as the official foundation of the village of Wakkanai. In 1897, Sōya Subprefecture was established and Wakkanai was elevated to town status in 1901. During World War II , the Imperial Japanese Navy used the harbor and port as

1539-478: The Lincoln index to calculate the total population of an area based on the number of individuals observed. In genetics, a population is often defined as a set of organisms in which any pair of members can breed together. They can thus routinely exchange gametes in order to have usually fertile progeny, and such a breeding group is also known therefore as a gamodeme. This also implies that all members belong to

1620-669: The Rishiri-Rebun-Sarobetsu National Park . Wakkanai has a humid continental climate ( Köppen : Dfb ) typical of Hokkaido but with strong influence of the ocean as island portions near the great land masses (such as the smaller islands of Nova Scotia ), with cold winters, warm summers and generally heavy precipitation from the Aleutian Low , whose winds hit the city direct from the Sea of Japan but with strong oceanic influence (46 °F). The winter

1701-528: The gundai ( 郡代 ), the daikan ( 代官 ) and the kura bugyō ( 蔵奉行 ), as well as hearing cases involving samurai. The gundai managed Tokugawa domains with incomes greater than 10,000 koku while the daikan managed areas with incomes between 5,000 and 10,000 koku. The shogun directly held lands in various parts of Japan. These were known as shihaisho (支配所); since the Meiji period, the term tenryō ( 天領 , literally "Emperor's land") has become synonymous, because

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1782-528: The han and the court in Edo. During their absences from Edo, it was also required that they leave their family as hostages until their return. The hostages and the huge expenditure sankin-kōtai imposed on each han helped to ensure loyalty to the shōgun . By the 1690s, the vast majority of daimyos would be born in Edo, and most would consider it their homes. Some daimyos had little interest in their domains and needed to be begged to return "home". In return for

1863-442: The jisha , kanjō , and machi-bugyō , which respectively oversaw temples and shrines , accounting, and the cities. The jisha-bugyō had the highest status of the three. They oversaw the administration of Buddhist temples ( ji ) and Shinto shrines ( sha ), many of which held fiefs. Also, they heard lawsuits from several land holdings outside the eight Kantō provinces. The appointments normally went to daimyōs ; Ōoka Tadasuke

1944-455: The proximity between Wakkanai and Russia , who can speak Russian depending on how well Russian is taught in different households. Additionally, in even smaller numbers, there are also Ainu people or individuals of partial Ainu ancestry living in Wakkanai, since the surrounding area was once the homeland of the Ainu. Wakkanai was originally home to an Ainu population. A Japanese settlement

2025-408: The rōjū to a more distant part of the castle. Some of the most famous soba yōnin were Yanagisawa Yoshiyasu and Tanuma Okitsugu . The ōmetsuke and metsuke were officials who reported to the rōjū and wakadoshiyori . The five ōmetsuke were in charge of monitoring the affairs of the daimyōs , kuge and imperial court. They were in charge of discovering any threat of rebellion. Early in

2106-427: The sankin-kōtai system ensured that daimyōs or their family were always in Edo, observed by the shogun. The shogunate had the power to discard, annex, and transform domains, although they were rarely and carefully exercised after the early years of the shogunate, to prevent daimyōs from banding together. The sankin-kōtai system of alternative residence required each daimyō to reside in alternate years between

2187-410: The shōgun . Under the wakadoshiyori were the metsuke . Some shōguns appointed a soba yōnin . This person acted as a liaison between the shōgun and the rōjū . The soba yōnin increased in importance during the time of the fifth shōgun Tokugawa Tsunayoshi , when a wakadoshiyori, Inaba Masayasu , assassinated Hotta Masatoshi , the tairō . Fearing for his personal safety, Tsunayoshi moved

2268-644: The ōmetsuke evolved into one of passing orders from the shogunate to the daimyōs , and of administering to ceremonies within Edo Castle. They also took on additional responsibilities such as supervising religious affairs and controlling firearms. The metsuke , reporting to the wakadoshiyori , oversaw the affairs of the vassals of the shōgun . They were the police force for the thousands of hatamoto and gokenin who were concentrated in Edo. Individual han had their own metsuke who similarly policed their samurai. The san- bugyō (三奉行 "three administrators") were

2349-493: The 1630s. The late Tokugawa shogunate ( Japanese : 幕末 Bakumatsu ) was the period between 1853 and 1867, during which Japan ended its isolationist foreign policy called sakoku and modernized from a feudal shogunate to the Meiji government . The 1850s saw growing resentment by the tozama daimyōs and anti-Western sentiment following the arrival of a U.S. Navy fleet under the command of Matthew C. Perry (which led to

2430-569: The 1960s, made by the Green Revolution . In 2017 the United Nations Population Division projected that the world's population would reach about 9.8 billion in 2050 and 11.2 billion in 2100. In the future, the world's population is expected to peak at some point, after which it will decline due to economic reasons, health concerns, land exhaustion and environmental hazards. According to one report, it

2511-407: The Edo period, daimyōs such as Yagyū Munefuyu held the office. Soon, however, it fell to hatamoto with rankings of 5,000 koku or more. To give them authority in their dealings with daimyōs , they were often ranked at 10,000 koku and given the title of kami (an ancient title, typically signifying the governor of a province ) such as Bizen-no-kami . As time progressed, the function of

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2592-417: The Edo period. They were ranked by size, which was measured as the number of koku of rice that the domain produced each year. One koku was the amount of rice necessary to feed one adult male for one year. The minimum number for a daimyō was ten thousand koku ; the largest, apart from the shōgun , was more than a million koku . The main policies of the shogunate on the daimyos included: Although

2673-495: The Emperor should dedicate to scholarship and poetry. The shogunate also appointed a liaison, the Kyoto Shoshidai ( Shogun's Representative in Kyoto ), to deal with the Emperor, court and nobility. Towards the end of the shogunate, however, after centuries of the Emperor having very little say in state affairs and being secluded in his Kyoto palace , and in the wake of the reigning shōgun , Tokugawa Iemochi , marrying

2754-771: The Hokkaido Legislative Assembly. In terms of national politics, the city is part of the Hokkaido 12th district of the lower house of the Diet of Japan . Wakkanai city's core industries are fisheries, agriculture, and tourism. As the largest city north of Asahikawa, it is home to national institutions such as the Japan Coast Guard, the Self-Defense Forces, the tax office, the courts, and the district prosecutor's office, as well as

2835-754: The Sengoku period ("Warring States period"), the central government had been largely re-established by Oda Nobunaga during the Azuchi–Momoyama period . After the Battle of Sekigahara in 1600, central authority fell to Tokugawa Ieyasu. While many daimyos who fought against him were extinguished or had their holdings reduced, Ieyasu was committed to retaining the daimyos and the han (domains) as components under his new shogunate. Daimyos who sided with Ieyasu were rewarded, and some of Ieyasu's former vassals were made daimyos and were located strategically throughout

2916-563: The Soya General Bureau. There are nine fishing ports. Wakkanai has nine public elementary schools, five public junior high schools and one combined elementary/junior high school operated by the city government and one public high school ( Hokkaido Wakkanai High School ) operated by the Hokkaido Board of Education. There is also one private high school. The Hokkaido government also operates one special education school for

2997-586: The Sunpu government's cabinet was consisted of trusted vassals of Ieyasu which was not included in Hidetada's cabinet. including William Adams (samurai) and Jan Joosten van Lodensteijn , which Ieyasu entrusted with foreign affairs and diplomacy. The earliest structure of Edo Shogunate organization has Buke Shitsuyaku as the highest rank. the earliest members of this office were Ii Naomasa , Sakakibara Yasumasa , and Honda Tadakatsu . The personal vassals of

3078-406: The Tokugawa clan in the Battle of Sekigahara had their estate reduced substantially. They were often placed in mountainous or far away areas, or placed between most trusted daimyos. Early in the Edo period, the shogunate viewed the tozama as the least likely to be loyal; over time, strategic marriages and the entrenchment of the system made the tozama less likely to rebel. In the end, however, it

3159-414: The Tokugawa shoguns were classified into two groups: By the early 18th century, out of around 22,000 personal vassals, most would have received stipends rather than domains. The rōjū ( 老中 ) were normally the most senior members of the shogunate. Normally, four or five men held the office, and one was on duty for a month at a time on a rotating basis. They supervised the ōmetsuke (who checked on

3240-496: The United States Census Bureau, the world population hit 6.5 billion on 24 February 2006. The United Nations Population Fund designated 12 October 1999 as the approximate day on which world population reached 6 billion. This was about 12 years after the world population reached 5 billion in 1987, and six years after the world population reached 5.5 billion in 1993. The population of countries such as Nigeria

3321-563: The bakufu prioritise civil administration, while civil society witnessed a surge in trade and industrial activities. Trade under the reign of Ieyasu saw much new wealth created by mining and goods manufacturing, which resulted in a rural population flow to urban areas. By the Genroku period (1688–1704) Japan saw a period of material prosperity and the blossoming of the arts, such as the early development of ukiyo-e by Moronobu . The reign of Tokugawa Yoshimune (1716–1745) saw poor harvests and

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3402-480: The breaking up of a large sexual population (panmictic) into smaller overlapping sexual populations. This failure of panmixia leads to two important changes in overall population structure: (1) the component gamodemes vary (through gamete sampling) in their allele frequencies when compared with each other and with the theoretical panmictic original (this is known as dispersion, and its details can be estimated using expansion of an appropriate binomial equation ); and (2)

3483-538: The centralization, peace among the daimyos was maintained; unlike in the Sengoku period , daimyos no longer worried about conflicts with one another. In addition, hereditary succession was guaranteed as internal usurpations within domains were not recognized by the shogunate. The Tokugawa clan further ensured loyalty by maintaining a dogmatic insistence on loyalty to the shōgun . Daimyos were classified into three main categories: The tozama daimyos who fought against

3564-534: The country. The sankin-kotai policy, in an effort to constrain rebellions by the daimyos, mandated the housing of wives and children of the daimyos in the capital as hostages. In 1616, there was a failed attempt of the invasion of Taiwan by a Shogunate subject named Murayama Tōan . A long period of peace occurred between the Siege of Osaka in 1615 and the Keian Uprising in 1651. This period saw

3645-531: The daimyos), machi - bugyō (commissioners of administrative and judicial functions in major cities, especially Edo), ongoku bugyō  [ ja ] (遠国奉行, the commissioners of other major cities and shogunate domains) and other officials, oversaw relations with the Imperial Court in Kyoto , kuge (members of the nobility), daimyō, Buddhist temples and Shinto shrines , and attended to matters like divisions of fiefs . Other bugyō (commissioners) in charge of finances, monasteries and shrines also reported to

3726-472: The early 1980s. Tenry%C5%8D The Tokugawa shogunate ( / ˌ t ɒ k uː ˈ ɡ ɑː w ə / TOK -oo- GAH -wə ; Japanese : 徳川幕府 , romanized :  Tokugawa bakufu , IPA: [tokɯgawa, tokɯŋawa baꜜkɯ̥ɸɯ] ), also known as the Edo shogunate ( 江戸幕府 , Edo bakufu ) , was the military government of Japan during the Edo period from 1603 to 1868. The Tokugawa shogunate

3807-414: The effective control of Japan. The topography of the city consists of two hilly mountain ranges running north-to-south, and lowlands in between and at both ends of these. The eastern mountain range is called the "Sōya Hills" and is a periglacial landform that has been selected as a "Hokkaido Heritage Site". The lowlands between the western hills and the Sea of Japan are sand dunes and wetlands, and are part of

3888-564: The forced opening of Japan). The major ideological and political factions during this period were divided into the pro-imperialist Ishin Shishi ( nationalist patriots ) and the shogunate forces; aside from the dominant two groups, other factions attempted to use the chaos of the Bakumatsu era to seize personal power. An alliance of daimyos and the emperor, succeeded in overthrowing the shogunate, which came to an official end in 1868 with

3969-514: The handicapped. Wakkanai Hokusei Gakuen University is located in the city. Wakkanai Airport is located in Wakkanai. There is a daily flight to New Chitose Airport near Sapporo and there is also a daily flight to Tokyo Haneda Airport . [REDACTED] JR Hokkaido - Sōya Main Line The Sōya limited express runs once a day to and from Sapporo, while the Sarobetsu runs twice

4050-438: The harbor sometime during the 1960s or 1970s, the harbor was cleared of the concrete pens and the machinery was removed from the breakwater structure which was reconfigured. Wakkanai was elevated to city status in 1949. In 1955, Wakkanai annexed neighboring Soya village. Wakkanai has a mayor-council form of government with a directly elected mayor and a unicameral city council of 18 members. Wakkanai contributes one member to

4131-463: The level of homozygosity rises in the entire collection of gamodemes. The overall rise in homozygosity is quantified by the inbreeding coefficient (f or φ). All homozygotes are increased in frequency – both the deleterious and the desirable. The mean phenotype of the gamodemes collection is lower than that of the panmictic original – which is known as inbreeding depression. It is most important to note, however, that some dispersion lines will be superior to

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4212-583: The main vector of trade exchanges, followed by the addition of Dutch, English, and sometimes Spanish ships. From 1603 onward, Japan started to participate actively in foreign trade. In 1615, an embassy and trade mission under Hasekura Tsunenaga was sent across the Pacific to Nueva España (New Spain) on the Japanese-built galleon San Juan Bautista . Until 1635, the Shogun issued numerous permits for

4293-556: The merchant class. Peasant uprisings and samurai discontent became increasingly prevalent. Some reforms were enacted to attend to these issues such as the Kansei reform (1787–1793) by Matsudaira Sadanobu . He bolstered the bakufu's rice stockpiles and mandated daimyos to follow suit. He cut down urban spending, allocated reserves for potential famines, and urged city-dwelling peasants to return to rural areas. By 1800, Japan included five cities with over 100,000 residents, and three among

4374-482: The most powerful han , the hereditary fief of the House of Tokugawa, which also included many gold and silver mines. Towards the end of the shogunate, the Tokugawa clan held around 7 million koku of land (天領 tenryō), including 2.6–2.7 million koku held by direct vassals, out of 30 million in the country. The other 23 million koku were held by other daimyos. The number of han (roughly 270) fluctuated throughout

4455-406: The office, and alternated by month. Three Edo machi bugyō have become famous through jidaigeki (period films): Ōoka Tadasuke and Tōyama Kagemoto (Kinshirō) as heroes, and Torii Yōzō ( ja:鳥居耀蔵 ) as a villain. The san-bugyō together sat on a council called the hyōjōsho (評定所). In this capacity, they were responsible for administering the tenryō (the shogun's estates), supervising

4536-456: The offices close to the shōgun , such as soba yōnin  [ ja ] (側用人), Kyoto Shoshidai , and Osaka jōdai . Irregularly, the shōguns appointed a rōjū to the position of tairō (great elder). The office was limited to members of the Ii , Sakai , Doi , and Hotta clans , but Yanagisawa Yoshiyasu was given the status of tairō as well. Among the most famous was Ii Naosuke , who

4617-418: The panmictic original, while some will be about the same, and some will be inferior. The probabilities of each can be estimated from those binomial equations. In plant and animal breeding , procedures have been developed which deliberately utilize the effects of dispersion (such as line breeding, pure-line breeding, backcrossing). Dispersion-assisted selection leads to the greatest genetic advance (ΔG=change in

4698-414: The partially enclosed structure where they could be repaired while completely out of the water. Built into the hills above the city there were several reinforced concrete bunker-type [aves where (anecdotally) they were used either to store ammunition and armament, or as air raid shelters for the civilian populace. History would suggest the former use, rather than the latter. During a re-build/renovation of

4779-467: The peasantry were set at fixed amounts that did not account for inflation or other changes in monetary value. As a result, the tax revenues collected by the samurai landowners increasingly declined over time. A 2017 study found that peasant rebellions and desertion lowered tax rates and inhibited state growth in the Tokugawa shogunate. By the mid-18th century, both the shogun and daimyos were hampered by financial difficulties, whereas more wealth flowed to

4860-771: The phenotypic mean), and is much more powerful than selection acting without attendant dispersion. This is so for both allogamous (random fertilization) and autogamous (self-fertilization) gamodemes. According to the UN, the world's population surpassed 8 billion on 15 November 2022, an increase of 1 billion since 12 March 2012. According to a separate estimate by the United Nations, Earth's population exceeded seven billion in October 2011. According to UNFPA , growth to such an extent offers unprecedented challenges and opportunities to all of humanity. According to papers published by

4941-473: The resignation of the 15th Tokugawa shogun , Tokugawa Yoshinobu , leading to the "restoration" ( 王政復古 , Ōsei fukko ) of imperial rule. Some loyal retainers of the shogun continued to fight during the Boshin war that followed but were eventually defeated in the notable Battle of Toba–Fushimi . The bakuhan system ( bakuhan taisei 幕藩体制 ) was the feudal political system in the Edo period of Japan. Baku

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5022-786: The rise of the merchant class and Ukiyo culture. The Tokugawa shogunate declined during the Bakumatsu period from 1853 and was overthrown by supporters of the Imperial Court in the Meiji Restoration in 1868. The Empire of Japan was established under the Meiji government , and Tokugawa loyalists continued to fight in the Boshin War until the defeat of the Republic of Ezo at the Battle of Hakodate in June 1869. Following

5103-603: The route resumed operation between the months of June and September of each year and is commercially operated by the Commonwealth of Dominica flagged vessel Penguin 33, which is a High-speed craft owned by Penguin International Limited and operated by Sakhalin Shipping Company. Wakkanai's mascots are Rinzou-kun ( りんぞうくん ) and Dashinosuke ( 出汁之介 ) . Population Population

5184-491: The rōjū. The roju conferred on especially important matters. In the administrative reforms of 1867 ( Keiō Reforms ), the office was eliminated in favor of a bureaucratic system with ministers for the interior, finance, foreign relations, army, and navy. In principle, the requirements for appointment to the office of rōjū were to be a fudai daimyō and to have a fief assessed at 50 000 koku or more. However, there were exceptions to both criteria. Many appointees came from

5265-829: The same species. If the gamodeme is very large (theoretically, approaching infinity), and all gene alleles are uniformly distributed by the gametes within it, the gamodeme is said to be panmictic. Under this state, allele ( gamete ) frequencies can be converted to genotype ( zygote ) frequencies by expanding an appropriate quadratic equation , as shown by Sir Ronald Fisher in his establishment of quantitative genetics. This seldom occurs in nature: localization of gamete exchange – through dispersal limitations, preferential mating, cataclysm, or other cause – may lead to small actual gamodemes which exchange gametes reasonably uniformly within themselves but are virtually separated from their neighboring gamodemes. However, there may be low frequencies of exchange with these neighbors. This may be viewed as

5346-566: The shogun issued certain laws, such as the buke shohatto on the daimyōs and the rest of the samurai class, each han administered its autonomous system of laws and taxation . The shōgun did not interfere in a han 's governance unless major incompetence (such as large rebellions) was shown, nor were central taxes issued. Instead, each han provided feudal duties, such as maintaining roads and official courier stations, building canals and harbors, providing troops, and relieving famines. Daimyōs were strategically placed to check each other, and

5427-647: The shogun's lands were returned to the emperor. In addition to the territory that Ieyasu held prior to the Battle of Sekigahara, this included lands he gained in that battle and lands gained as a result of the Summer and Winter Sieges of Osaka . Major cities as Nagasaki and Osaka, and mines , including the Sado gold mine , also fell into this category. The gaikoku bugyō were administrators appointed between 1858 and 1868. They were charged with overseeing trade and diplomatic relations with foreign countries, and were based in

5508-468: The shogunate in Edo and the daimyōs with domains throughout Japan. The shōgun and lords were all daimyōs : feudal lords with their own bureaucracies, policies, and territories. Provinces had a degree of sovereignty and were allowed an independent administration of the han in exchange for loyalty to the shōgun , who was responsible for foreign relations, national security, coinage, weights, measures, and transportation. The shōgun also administered

5589-576: The shogunate, yielding a huge profit. Foreign trade was also permitted to the Satsuma and the Tsushima domains . Rice was the main trading product of Japan during this time. Isolationism was the foreign policy of Japan and trade was strictly controlled. Merchants were outsiders to the social hierarchy of Japan and were thought to be greedy. The visits of the Nanban ships from Portugal were at first

5670-496: The sister of Emperor Kōmei (r. 1846–1867), in 1862, the Imperial Court in Kyoto began to enjoy increased political influence. The Emperor would occasionally be consulted on various policies and the shogun even made a visit to Kyoto to visit the Emperor. Government administration would be formally returned from the shogun to the Emperor during the Meiji Restoration in 1868. Foreign affairs and trade were monopolized by

5751-677: The so-called " red seal ships " destined for the Asian trade. After 1635 and the introduction of seclusion laws ( sakoku ), inbound ships were only allowed from China , Korea , and the Netherlands . The primary source of the shogunate's income was the tax (around 40%) levied on harvests in the Tokugawa clan's personal domains (tenryō). No taxes were levied on domains of daimyos, who instead provided military duty, public works and corvee . The shogunate obtained loans from merchants, which were sometimes seen as forced donations, although commerce

5832-432: The strict Tokugawa class system and banned most foreigners under the isolationist policies of Sakoku to promote political stability. The Tokugawa shoguns governed Japan in a feudal system, with each daimyō administering a han (feudal domain), although the country was still nominally organized as imperial provinces . Under the Tokugawa shogunate, Japan experienced rapid economic growth and urbanization, which led to

5913-417: The top, followed by the warrior-caste of samurai, with the farmers, artisans, and traders ranking below. In some parts of the country, particularly smaller regions, daimyō, and samurai were more or less identical, since daimyō might be trained as samurai, and samurai might act as local rulers. The largely inflexible nature of this social stratification system unleashed disruptive forces over time. Taxes on

5994-512: The world's twenty cities that had more than 300,000 inhabitants. Edo likely claimed the title of the world's most populous city, housing over one million people. Followers of Catholic christians first began appearing in Japan during the 16th century. Oda Nobunaga embraced Christianity and the Western technology that was imported with it, such as the musket. He also saw it as a tool he could use to suppress Buddhist forces. Though Christianity

6075-467: Was allowed to grow until the 1610s, Tokugawa Ieyasu soon began to see it as a growing threat to the stability of the shogunate. As Ōgosho ("Cloistered Shōgun "), he influenced the implementation of laws that banned the practice of Christianity. His successors followed suit, compounding upon Ieyasu's laws. The ban of Christianity is often linked with the creation of the Seclusion laws, or Sakoku , in

6156-494: Was an exception, though he later became a daimyō . The kanjō-bugyō were next in status. The four holders of this office reported to the rōjū . They were responsible for the finances of the shogunate. The machi-bugyō were the chief city administrators of Edo and other cities. Their roles included mayor, chief of the police (and, later, also of the fire department), and judge in criminal and civil matters not involving samurai. Two (briefly, three) men, normally hatamoto, held

6237-484: Was assassinated in 1860 outside the Sakuradamon Gate of Edo Castle ( Sakuradamon incident ). Three to five men titled the wakadoshiyori (若年寄) were next in status below the rōjū. An outgrowth of the early six-man rokuninshū (六人衆, 1633–1649), the office took its name and final form in 1662. Their primary responsibility was management of the affairs of the hatamoto and gokenin , the direct vassals of

6318-532: Was established by Tokugawa Ieyasu after victory at the Battle of Sekigahara , ending the civil wars of the Sengoku period following the collapse of the Ashikaga shogunate . Ieyasu became the shōgun , and the Tokugawa clan governed Japan from Edo Castle in the eastern city of Edo ( Tokyo ) along with the daimyō lords of the samurai class. The Tokugawa shogunate organized Japanese society under

6399-513: Was established in 1685 by Matsumae Domain as a trading post and key point for guarding northern Japan and the exploration of Sakhalin .The settlement came under direct control of the Tokugawa shogunate from 1807 to 1821, and again from 1859, when Akita Domain was assigned to provide a garrison. The Akita garrison was replaced by Kanazawa Domain in 1870. After the Treaty of Saint Petersburg (1875) , which exchanged Japanese claims on Sakhalin with

6480-538: Was often not taxed. Special levies were also imposed for infrastructure-building. During the earliest years of the Tokugawa shogunate institution, when Tokugawa Hidetada coronated as the second shogun and Ieyasu retired, they formed a dual governments, where Hidetada controlled the official court with the government central located in Edo city, Ieyasu, who now became the Ōgosho (retired shogun), also control his own informal shadow government which called "Sunpu government" with its center at Sunpu Castle . The membership of

6561-468: Was still the great tozama of Satsuma , Chōshū and Tosa , and to a lesser extent Saga , that brought down the shogunate. These four states are called the Four Western Clans, or Satchotohi for short. Regardless of the political title of the Emperor, the shōguns of the Tokugawa family controlled Japan. The shogunate secured a nominal grant of administration ( 体制 , taisei ) by

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