Koyagi, Nagasaki

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Kōyagi(香焼町,Kōyagi-chō) was a town located in Nishisonogi District, Nagasaki Prefecture, Japan, situated approximately 13 km south of the centre of Nagasaki City. The town was notable for the Mistubishi shipyard which occupies 60% of urban areas.

Nishisonogi District, Nagasaki district of Japan

Nishisonogi is a district located in Nagasaki Prefecture, Japan.

Nagasaki Prefecture Prefecture of Japan

Nagasaki Prefecture is a prefecture of Japan located on the island of Kyushu. The capital is the city of Nagasaki.

Japan Constitutional monarchy in East Asia

Japan is an island country in East Asia. Located in the Pacific Ocean, it lies off the eastern coast of the Asian continent and stretches from the Sea of Okhotsk in the north to the East China Sea and the Philippine Sea in the south.

As of 2003, the town had an estimated population of 4,261 and a density of 944.79 persons per km². The total area was 4.51 km².

Population All the organisms of a given species that live in the specified region

In biology, a population is all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding. The area of a sexual population is the area where inter-breeding is potentially possible between any pair within the area, and where the probability of interbreeding is greater than the probability of cross-breeding with individuals from other areas.

Population density A measurement of population numbers per unit area or volume

Population density is a measurement of population per unit area or unit volume; it is a quantity of type number density. It is frequently applied to living organisms, and most of the time to humans. It is a key geographical term. In simple terms population density refers to the number of people living in an area per kilometer square.

On January 4, 2005, Kōyagi, along with the towns of Iōjima, Nomozaki, Sanwa, Sotome and Takashima (all from Nishisonogi District), was merged into the expanded city of Nagasaki and no longer exists as an independent municipality.

Iōjima, Nagasaki human settlement in Japan

Iōjima was a town located in Nishisonogi District, Nagasaki Prefecture, Japan. Iōjima was the only town on the island of Iōjima near Nagasaki City. The island includes beaches and an onsen.

Nomozaki was a town located in Nishisonogi District, Nagasaki Prefecture, Japan.

Sanwa was a town located in Nishisonogi District, Nagasaki Prefecture, Japan.

The main centre of population was located in the north western side from the Eri area to the Nagahama (shipyard) area. The centre of this is the Sato and Fukaura area where the elementary and junior high schools are located. Other buildings in these areas includes a small hospital, a kindergarten, the town hall and a library. A park and viewpoint is located in the centre of Koyagi from which fine views of Nagasaki city and the peninsular can be seen. Two small beaches are located in the Onoue and Tatsunokuchi areas. The southern Tatsunokuchi beach is famous locally for its scuba diving.

Scuba diving Diving while breathing from self-contained underwater breathing apparatus

Scuba diving is a mode of underwater diving where the diver uses a self-contained underwater breathing apparatus (scuba), which is completely independent of surface supply, to breathe underwater. Scuba divers carry their own source of breathing gas, usually compressed air, allowing them greater independence and freedom of movement than surface-supplied divers, and longer underwater endurance than breath-hold divers. Although the use of compressed air is common, a new mixture called enriched air (Nitrox) has been gaining popularity due to its benefit of reduced nitrogen intake during repetitive dives. Open circuit scuba systems discharge the breathing gas into the environment as it is exhaled, and consist of one or more diving cylinders containing breathing gas at high pressure which is supplied to the diver through a regulator. They may include additional cylinders for range extension, decompression gas or emergency breathing gas. Closed-circuit or semi-closed circuit rebreather scuba systems allow recycling of exhaled gases. The volume of gas used is reduced compared to that of open circuit, so a smaller cylinder or cylinders may be used for an equivalent dive duration. Rebreathers extend the time spent underwater compared to open circuit for the same gas consumption; they produce fewer bubbles and less noise than open circuit scuba which makes them attractive to covert military divers to avoid detection, scientific divers to avoid disturbing marine animals, and media divers to avoid bubble interference.

A strong tradition of Peron dragon boat racing exists in Kōyagi and in recent years the town team has won the Nagasaki Peron Festival several times.

A dragon boat is a human-powered watercraft originating from the Pearl River Delta region of China's southern Guangdong Province. These were made of teak, but in other parts of China, different kinds of wood are used. It is one of a family of traditional paddled long boats found throughout Asia, Africa, the Pacific islands, and Puerto Rico. The sport of dragon boat racing has its roots in an ancient folk ritual of contending villagers, which dates back 2000 years throughout southern China, and even further to the original games of Olympia in ancient Greece. Both dragon boat racing and the ancient Olympiad included aspects of religious observances and community celebrations, along with competition.

History

In 1936 Kawanami Toyosaku bought the Matsuo Shipyard in Kōyagi and transformed it into one of the largest in the Far East. During World War II, a P.O.W. camp, Fukuoka #2 was located in Kōyagi and the prisoners were forced to work in brutal conditions in the factories. However, soon after the war was over Kawanami was forced to close the factories due to a shortage of money. ⟨⟩⟩ In 1967, Mitsubishi Heavy Industries acquired the old shipyard facility and started a process of development to create the largest dock in Japan. Completed in 1972, the construction created vast areas of land which attached the island to the mainland.

World War II 1939–1945 global war

World War II, also known as the Second World War, was a global war that lasted from 1939 to 1945. The vast majority of the world's countries—including all the great powers—eventually formed two opposing military alliances: the Allies and the Axis. A state of total war emerged, directly involving more than 100 million people from over 30 countries. The major participants threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. World War II was the deadliest conflict in human history, marked by 50 to 85 million fatalities, most of whom were civilians in the Soviet Union and China. It included massacres, the genocide of the Holocaust, strategic bombing, premeditated death from starvation and disease, and the only use of nuclear weapons in war.

Mitsubishi Heavy Industries Japanese multinational engineering, electrical equipment, and electronics company

Mitsubishi Heavy Industries, Ltd. is a Japanese multinational engineering, electrical equipment and electronics company headquartered in Tokyo, Japan. MHI is one of the core companies of the Mitsubishi Group.

On March 27, 2011 the Iōjima Bridge was opened to link Kōyagi with the nearby island of Iōjima. This two-step process involves construction of a tunnel from the Eri area to the southern side of the town to link with a new bridge connecting the towns.

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