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Moedjair
Moedjair or Mujair (1890–1957) is a Javanese inventor who in 1939 was the first to culture the fish species ''Tilapia zillii'', at the mouth of the Serang River Serang River is a river in northern Central Java, Indonesia, about 400 km east of the capital Jakarta. The largest tributary is Lusi River, which discharges into Serang River after passing the city of Purwodadi. In 1939, Mudjair went looking for fish at the river estuary along coast. He noticed a strange fish that fed its children when in danger and spit back when they reache ...
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Moedjair
Moedjair or Mujair (1890–1957) is a Javanese inventor who in 1939 was the first to culture the fish species ''Tilapia zillii'', at the mouth of the Serang River Serang River is a river in northern Central Java, Indonesia, about 400 km east of the capital Jakarta. The largest tributary is Lusi River, which discharges into Serang River after passing the city of Purwodadi. In 1939, Mudjair went looking for fish at the river estuary along coast. He noticed a strange fish that fed its children when in danger and spit back when they reache ...
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Javanese People
The Javanese ( id, Orang Jawa; jv, ꦮꦺꦴꦁꦗꦮ, ''Wong Jawa'' ; , ''Tiyang Jawi'' ) are an ethnic group native to the central and eastern part of the Indonesian island of Java. With approximately 100 million people, Javanese people are the largest ethnic group in Indonesia and the whole Southeast Asia in general. Their native language is Javanese, it is the largest of the Austronesian languages in number of native speakers and also the largest regional language in Southeast Asia. The Javanese as the largest ethnic group in the region have dominated the historical, social, and political landscape in the past as well as in modern Indonesia and Southeast Asia. There are significant numbers of Javanese diaspora outside of central and eastern Java regions, including the other provinces of Indonesia, and also in another countries such as Suriname, Singapore, Malaysia, Egypt, Saudi Arabia, South Africa, Sri Lanka, Yemen and the Netherlands. The Javanese ethnic group h ...
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Tilapia Zillii
The redbelly tilapia (''Coptodon zillii'', syn. ''Tilapia zillii''), also known as the Zille's redbreast tilapia or St. Peter's fish (a name also used for other tilapia in Israel), is a species of fish in the cichlid family. This fish is found widely in fresh and brackish waters in the northern half of Africa and the Middle East. Elsewhere in Africa, Asia, Australia and North America, it has been introduced as a food fish or as a control of aquatic vegetation. Where introduced, it sometimes becomes invasive, threatening the local ecology and species. The redbelly tilapia is an important food fish and sometimes aquacultured. The species was named by Paul Gervais in honor of M. (probably Monsieur) Zill, a “distinguished naturalist” who collected the type specimen and sent it to Gervais. Native distribution and taxonomy In Africa, the native range of the redbelly tilapia covers the northern half of the continent. In tropical West to Central Africa, from coastal southern Mor ...
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Serang River
Serang River is a river in northern Central Java, Indonesia, about 400 km east of the capital Jakarta. The largest tributary is Lusi River, which discharges into Serang River after passing the city of Purwodadi.Sungai Lusi (Kali Lusi)
Kumpulan Ensiklopedi Dunia.


Geography

The river flows in the central area of Java with predominantly (designated as ''Am'' in the Köppen-Geiger climate classification). The annual average temperature in the area is 25 °C. The warmest month is October, when the average temperature is around 28 °C, and the coldest is January, at 23&nb ...
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Java Island
Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's most populous island, home to approximately 56% of the Indonesian population. Indonesia's capital city, Jakarta, is on Java's northwestern coast. Many of the best known events in Indonesian history took place on Java. It was the centre of powerful Hindu-Buddhist empires, the Islamic sultanates, and the core of the colonial Dutch East Indies. Java was also the center of the Indonesian struggle for independence during the 1930s and 1940s. Java dominates Indonesia politically, economically and culturally. Four of Indonesia's eight UNESCO world heritage sites are located in Java: Ujung Kulon National Park, Borobudur Temple, Prambanan Temple, and Sangiran Early Man Site. Formed by volcanic eruptions due to geologic subduction of the Australian P ...
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Blitar
Blitar is a landlocked city in East Java, Indonesia, about 73 km from Malang and 167 km from Surabaya. The area lies within longitude 111° 40' – 112° 09' East and its latitude is 8° 06' South. The city of Blitar lies at an altitude on average 167 metres above sea level, and is an enclave within Blitar Regency which surrounds the city on all sides. The city is noted as the location of the grave of Sukarno, the first president of Indonesia, five kilometers from the city plaza. The ''Istana Gebang'' (Gebang palace) where Sukarno lived as a child is nearby and has been converted into a museum. containing numerous items commemorating Sukarno's place in Indonesian history. In addition, the very active Kelud volcano is located just over 20 kilometers north of Blitar. Administrative districts Blitar city is divided into three districts (''kecamatan''), tabulated below with their areas and population totals from the 2010 census and the 2020 census, together with the offici ...
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East Java
East Java ( id, Jawa Timur) is a Provinces of Indonesia, province of Indonesia located in the easternmost hemisphere of Java island. It has a land border only with the province of Central Java to the west; the Java Sea and the Indian Ocean border its northern and southern coasts, respectively, while the narrow Bali Strait to the east separates Java from Bali by around . Located in eastern Java (island), Java, the province also includes the island of Madura Island, Madura (which is connected to Java by the longest bridge in Indonesia, the Suramadu Bridge), as well as the Kangean Islands, Kangean islands and other smaller island groups located further east (in the northern Bali Sea) and Masalembu Islands, Masalembu archipelagos in the north. Its capital is Surabaya, the Largest cities in Indonesia, second largest city in Indonesia, a major industrial center and also a major business center. Banyuwangi is the largest regency in East Java and the largest on the island of Java. The p ...
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Oreochromis Mossambicus By NPS
''Oreochromis'' is a large genus of oreochromine cichlids, fishes endemic to Africa and the Middle East. A few species from this genus have been introduced far outside their native range and are important in aquaculture. Many others have very small ranges; some are seriously threatened, and ''O. ismailiaensis'' and ''O. lidole'' possibly are extinct. Although ''Oreochromis'' primarily are freshwater fish of rivers, lakes and similar habitats, several species can also thrive in brackish waters and some even survive in hypersaline conditions with a salinity that far surpasses that of seawater. In addition to overfishing and habitat loss, some of the more localized species are threatened by the introduction of other, more widespread ''Oreochromis'' species into their ranges. This is because they—in addition to competing for the local resources—often are able to hybridize. ''Oreochromis'' are fairly robust fish, and medium–small to very large ciclids that can reach up to in ...
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River
A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of water. Small rivers can be referred to using names such as Stream#Creek, creek, Stream#Brook, brook, rivulet, and rill. There are no official definitions for the generic term river as applied to Geographical feature, geographic features, although in some countries or communities a stream is defined by its size. Many names for small rivers are specific to geographic location; examples are "run" in some parts of the United States, "Burn (landform), burn" in Scotland and northeast England, and "beck" in northern England. Sometimes a river is defined as being larger than a creek, but not always: the language is vague. Rivers are part of the water cycle. Water generally collects in a river from Precipitation (meteorology), precipitation through a ...
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Lake
A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much larger oceans, they do form part of the Earth's water cycle. Lakes are distinct from lagoons, which are generally coastal parts of the ocean. Lakes are typically larger and deeper than ponds, which also lie on land, though there are no official or scientific definitions. Lakes can be contrasted with rivers or streams, which usually flow in a channel on land. Most lakes are fed and drained by rivers and streams. Natural lakes are generally found in mountainous areas, rift zones, and areas with ongoing glaciation. Other lakes are found in endorheic basins or along the courses of mature rivers, where a river channel has widened into a basin. Some parts of the world have many lakes formed by the chaotic drainage patterns left over from the la ...
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Fisheries And Aquaculture Research Institutes
Fishery can mean either the enterprise of raising or harvesting fish and other aquatic life; or more commonly, the site where such enterprise takes place ( a.k.a. fishing ground). Commercial fisheries include wild fisheries and fish farms, both in freshwater waterbodies (about 10% of all catch) and the oceans (about 90%). About 500 million people worldwide are economically dependent on fisheries. 171 million tonnes of fish were produced in 2016, but overfishing is an increasing problem — causing declines in some populations. Because of their economic and social importance, fisheries are governed by complex fisheries management practices and legal regimes that vary widely across countries. Historically, fisheries were treated with a " first-come, first-served " approach, but recent threats by human overfishing and environmental issues have required increased regulation of fisheries to prevent conflict and increase profitable economic activity on the fishery. Modern jurisdic ...
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