1.a mountainous island in western Indonesia
2.(MeSH)A republic stretching from the Indian Ocean east to New Guinea, comprising six main islands: Java, Sumatra, Bali, Kalimantan (the Indonesian portion of the island of Borneo), Sulawesi (formerly known as the Celebes) and Irian Jaya (the western part of New Guinea). Its capital is Djakarta. The ethnic groups living there are largely Chinese, Arab, Eurasian, Indian, and Pakistani; 85% of the peoples are of the Islamic faith.
definición de Sumatra (Wikipedia)
Celebes (MeSH), East Indies (MeSH), Indonesia (MeSH), Indonesian New Guinea (MeSH), Irian Jaya (MeSH), Java (MeSH), Madoera (MeSH), Madura (MeSH), Malay Archipelago (MeSH), Netherlands East Indies (MeSH), New Guinea, Indonesian (MeSH), New Guinea, West (MeSH), Sulawesi (MeSH), Timor (MeSH), West Irian (MeSH)
1797 Sumatra earthquake • 1833 Sumatra earthquake • 1861 Sumatra earthquake • 2000 Sumatra earthquake • 2004 Sumatra Earthquake • 2005 Sumatra earthquake • 2007 Sumatra earthquakes • 2009 Sumatra earthquakes • Apostolic Prefecture of Sumatra • Arun, Sumatra • August 2009 Sumatra earthquake • Belimbing, West Sumatra • Berhala Island, Sumatra • East of Sumatra • Eastern Sumatra • Giant Rat of Sumatra • Invasion of Sumatra (1942) • March 2007 Sumatra earthquakes • Mount Sumbing (Sumatra) • Music of Sumatra • Natal, North Sumatra • North Sumatra • Operation Lentil (Sumatra) • Operation Sumatra Assist • September 2007 Sumatra earthquakes • Sherlock Holmes and the Giant Rat of Sumatra • South Sumatra • Subdistrict of South Sumatra • Subdistricts of North Sumatra • Subdistricts of South Sumatra • Subdistricts of West Sumatra • Sumatra (chicken) • Sumatra (disambiguation) • Sumatra Earthquakes • Sumatra PDF • Sumatra Toad • Sumatra earthquake • Sumatra serow • Sumatra, Florida • Sumatra, Montana • Talang, Sumatra • Talang, Sumatra, Indonesia • The Tale of the Giant Rat of Sumatra • The giant rat of Sumatra • Tropical Rainforest Heritage of Sumatra • West Sumatra
Asia, Southern Asia[Hyper.]
Sumatra (n.) [MeSH]
Descripteurs EUROVOC (fr)[Thème]
île de l'Océan Indien (fr)[Classe...]
île de l'Océan Pacifique (fr)[ClasseParExt.]
Sumatra (pr. n.)
Topography of Sumatra
|Location||South East Asia|
|Archipelago||Greater Sunda Islands|
|Area||473,481 km2 (182,812 sq mi)|
|Highest elevation||3,805 m (12,484 ft)|
|Provinces||Aceh, Bengkulu, Jambi, Lampung, Riau, West Sumatra, South Sumatra, North Sumatra|
|Largest city||Medan (pop. 2,109,330 (as of 2010))|
|Population||50,365,538 (as of 2010)|
|Density||96 /km2 (249 /sq mi)|
|Ethnic groups||Acehnese, Batak, Minangkabau, Malay|
Sumatra (Indonesian: Sumatera) is an island in western Indonesia, westernmost of the Sunda Islands. It is the largest island entirely in Indonesia (two larger islands, Borneo and New Guinea, are shared between Indonesia and other countries) and the sixth largest island in the world at 473,481 km2 with a population of 50,365,538. Its biggest city is Medan with a population of 2,109,330.
Sumatra forms an elongated landmass spanned diagonal northwest — southeast axis. The Indian Ocean borders the west, northwest and southwest sides of Sumatra with the island chain of Simeulue, Nias and Mentawai bordering along the southwestern coast. On the northeast side the narrow Strait of Malacca separates the island from Malay Peninsula, an extension of Eurasian continent. On the southeast the narrow Sunda Strait separates Sumatra from Java. The northern tip of Sumatra borders the Andaman islands, while on the lower eastern side are the islands of Bangka and Belitung, Karimata Strait and the Java Sea. The Bukit Barisan mountains, which contain several active volcanoes, forms the backbone of the island, while the northeast sides are outlying lowlands with swamps, mangrove and complex river systems. The equator crosses the island at its center on West Sumatra and Riau provinces. The climate of the island is tropical, hot and humid with lush tropical rain forest originally dominating the landscape.
Settler colonies began arriving in Sumatra around 500 BC, and several significant kingdoms flourished there. I Ching, a Chinese Buddhist monk, studied Sanskrit and spent four years of his life working in Palembang. The explorer Marco Polo visited Sumatra in 1292.
Sumatra has a huge range of plant and animal species but has lost almost 50% of its tropical rainforest in the last 35 years, and many species are Critically Endangered such as Sumatran Tiger, Sumatran Rhino and Sumatran Orangutan.
87% of Sumatrans are thought to be Muslim. The island is home to 22% of Indonesia's population.
Sumatra was known in ancient times by the Sanskrit names of Swarnadwīpa ("Island of Gold") and Swarnabhūmi ("Land of Gold"), because of the gold deposits of the island's highland. The first word mentioning the name of Sumatra was the name of Srivijayan Haji (king) Sumatrabhumi ("King of the land of Sumatra"), who sent an envoy to China in 1017. Arab geographers referred to the island as Lamri (Lamuri, Lambri or Ramni) in the tenth through thirteenth centuries, in reference to a kingdom near modern day Banda Aceh which was the first landfall for traders.
Late in the 14th century the name Sumatra became popular in reference to the kingdom of Samudra Pasai, which was a rising power until it was replaced by Sultanate of Aceh. Sultan Alauddin Shah of Aceh, on letters written in 1602 addressed to Queen Elizabeth I of England, referred to himself as "king of Aceh and Samudra". The word itself is from Sanskrit "Samudra", (समुद्र), meaning "gathering together of waters, sea or ocean".
After the introduction of Islam to the archipelago in 13th century, the island was also called Andalas by Muslim travellers . Sumatra was the farthest east in the Muslim world so its position was in some way similar to Al-Andalus which was the farthest west, hence the name. European writers in the 19th century found that the indigenous inhabitants did not have a name for the island.
People who spoke Austronesian languages first arrived in Sumatra around 500 BCE as part of the Austronesian expansion from Taiwan to Southeast Asia. With its location in the India-China sea trade route, several trading towns flourished, especially in the eastern coast, and were influenced by Indian religions. One of the earliest known kingdoms was Kantoli, which flourished in the 5th century CE in southern Sumatra. Kantoli was replaced by the Empire of Srivijaya and then later by the Kingdom of Samudra. Srivijaya was a Buddhist monarchy centred in what is now Palembang. Dominating the region through trade and conquest throughout the 7th to 9th centuries, the empire helped spread the Malay culture throughout Nusantara. The empire was a thalassocracy or maritime power that extended its influence from island to island. Palembang was a center for scholarly learning, and it was there the Chinese Buddhist pilgrim I Ching studied Sanskrit in 671 CE before departing for India. On his journey to China, he spent four years in Palembang translating Buddhist texts and writing two manuscripts.
Srivijayan influence waned in the 11th century after it was defeated by the Chola Empire of southern India. At the same time, Islam made its way to Sumatra through Arabs and Indian traders in the 6th and 7th centuries AD. By the late 13th century, the monarch of the Samudra kingdom had converted to Islam. Marco Polo visited the island in 1292, and Ibn Battuta visited twice during 1345–1346. Samudra was succeeded by the powerful Aceh Sultanate, which survived to the 20th century. With the coming of the Dutch, the many Sumatran princely states gradually fell under their control. Aceh, in the north, was the major obstacle, as the Dutch were involved in the long and costly Aceh War (1873–1903).
Sumatra came under the control of the Dutch East Indies and became a major producer of pepper, rubber, and oil. In the early and mid-twentieth century, Sumatran academics and leaders were important figures in Indonesia's independence movements, such as : Mohammad Hatta (the first vice-president) and Sutan Sjahrir (the first prime minister).
The Great Sumatran fault, a strike-slip fault, runs the entire length of the island along its west coast. On 26 December 2004, the western coast and islands of Sumatra, particularly Aceh province, were struck by a tsunami following the Indian Ocean earthquake. More than 170,000 Indonesians were killed, primarily in Aceh. Other recent earthquakes to strike Sumatra include the 2005 Sumatra Earthquake and the October 2010 Sumatra earthquake.
The administrative regions of Sumatra (including the smaller islands nearby) are:
The longest axis of the island runs approximately 1,790 km (1,110 mi) northwest–southeast, crossing the equator near the centre. At its widest point, the island spans 435 km (270 mi). The interior of the island is dominated by two geographical regions: the Barisan Mountains in the west and swampy plains in the east.
To the southeast is Java, separated by the Sunda Strait. To the north is the Malay Peninsula, separated by the Strait of Malacca. To the east is Borneo, across the Karimata Strait. West of the island is the Indian Ocean.
The backbone of the island is the Barisan Mountain chain, with the active volcano Mount Kerinci as the highest point at 3,805 m (12,467 ft), located at about the midpoint of the range. The volcanic activity of this region endowed the region with fertile land and beautiful sceneries, for instance around Lake Toba. It also contains deposits of coal and gold. The volcanic activity stems from Sumatra's location on the Pacific "Ring of Fire"—which is also the reason why Sumatra has had some of the most powerful earthquakes ever recorded: in 1833, 2004, 2005 and in the September 2007 Sumatra earthquakes.
To the east, big rivers carry silt from the mountains, forming the vast lowland interspersed by swamps. Even if mostly unsuitable for farming, the area is currently of great economic importance for Indonesia. It produces oil from both above and below the soil—palm oil and petroleum.
Sumatra is the largest producer of Indonesian coffee. Small-holders grow Arabica coffee (Coffea arabica) in the highlands, while Robusta (Coffea canephora) is found in the lowlands. Arabica coffee from the regions of Gayo, Lintong and Sidikilang is typically processed using the Giling Basah (wet hulling) technique, which gives it a heavy body and low acidity.
Most of Sumatra used to be covered by tropical rainforest, but economic development coupled with corruption and illegal logging has severely threatened its existence. Even designated conservation areas have not been spared from this destruction.
The island is the world's 5th highest island, and the third highest in the Indonesian archipelago.
The largest urban areas in Sumatra by population, based on 2010 census, are:
|1||Medan, North Sumatra||2,097,610|
|2||Palembang, South Sumatra||1,455,284|
|4||Bandar Lampung, Lampung||881,801|
|5||Padang, West Sumatra||833,562|
|8||Binjai, North Sumatra||246,154|
|9||Pematang Siantar, North Sumatra||234,698|
|10||Banda Aceh, Aceh||223,446|
Sumatra supports a wide range of vegetation types which are home to a rich variety of species, including 17 endemic genera of plants. Unique species include the Sumatran Pine which dominates the Sumatran tropical pine forests of the higher mountainsides in the north of the island and rainforest plants such as Rafflesia arnoldii (the world's largest individual flower), and the Titan Arum (the world's largest unbranched inflorescence).
The island is home to 201 mammal species and 580 bird species. There are 9 endemic mammal species on mainland Sumatra and 14 more endemic to the nearby Mentawai Islands. The species present include: Sumatran Tiger, Sumatran Orangutan, Sumatran Rhinoceros, Sumatran Elephant, Sumatran Striped Rabbit, Dhole, Dayak Fruit Bat, Malayan Tapir, Malayan Sun Bear and the Bornean Clouded Leopard.
The island has lost 48% of its natural forest cover since 1985, and many of the remaining species are endangered. The Sumatran Tiger, Sumatran Rhino, and Sumatran Orangutan are all Critically Endangered, indicating the highest level of threat to their survival. In October 2008, the Indonesian government announced a plan to protect Sumatra's remaining forests. However, the construction of illegal roads through prime tiger habitat has continued since then by companies led by Asia Pulp & Paper.
The island includes more than 10 national parks, including 3 which are listed as the Tropical Rainforest Heritage of Sumatra World Heritage Site—Gunung Leuser National Park, Kerinci Seblat National Park and Bukit Barisan Selatan National Park. The Berbak National Park is one of three national parks in Indonesia listed as a wetland of international importance under the Ramsar Convention.
Sumatra is not very densely populated, about 96 people per km2—more than 45 million people in total. It is nonetheless the fourth most populous island in the world. The most populous regions include most of North Sumatra and central highlands in West Sumatra, while the major urban centers are Medan and Palembang.
The people represent many different ethnic groups, speaking 52 different languages. Most of these groups share many similar traditions, and the different tongues are closely related. Ethnic Malay dominate most of the eastern coast, while people in the southern and central interior speak languages related to Malay, such as the Lampung and Minangkabau people. The highland of northern Sumatra is inhabited by the Bataks, while the northernmost coast is dominated by Acehs. Ethnic Chinese minorities are present in urban centres.
A majority of people in Sumatra are Muslims (87%), while 10% are Christians, 2% are Buddhist and 1% are Hindu. Most central Bataks are Protestant Christians, a religion introduced by the German Rhenish Missionary Society.
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