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The orangutans

The orangutans (also spelled orang-utan, orangutang, or orang-utang)[3] are the two exclusively Asian species of extant great apes. Native to Indonesia and Malaysia, orangutans are currently found in only the rainforests of Borneo and Sumatra. Classified in the genus Pongo, orangutans were considered to be one species. Since 1996, they have been divided into two species: the Bornean orangutan (P. pygmaeus) and the Sumatran orangutan (P. abelii). In addition, the Bornean species is divided into three subspecies.
Based on genome sequencing, the two extant orangutan species evidently diverged around 400,000 years ago. The orangutans are also the only surviving species of the subfamily Ponginae, which also included several other species, such as the three extinct species of the genus Gigantopithecus, including the largest known primate Gigantopithecus blacki. The ancestors of the Ponginae subfamily split from the main ape line in Africa 16 to 19 million years ago (mya) and spread into Asia.
Orangutans are the most arboreal of the great apes and spend most of their time in trees. Their hair is typically reddish-brown, instead of the brown or black hair typical of chimpanzees and gorillas. Males and females differ in size and appearance. Dominant adult males have distinctive cheek pads and produce long calls that attract females and intimidate rivals. Younger males do not have these characteristics and resemble adult females. Orangutans are the most solitary of the great apes, with social bonds occurring primarily between mothers and their dependent offspring, who stay together for the first two years. Fruit is the most important component of an orangutan's diet; however, the apes will also eat vegetation, bark, honey, insects and even bird eggs. They can live over 30 years in both the wild and captivity.
Orangutans are among the most intelligent primates; they use a variety of sophisticated tools and construct elaborate sleeping nests each night from branches and foliage. The apes have been extensively studied for their learning abilities. There may even be distinctive cultures within populations. Field studies of the apes were pioneered by primatologist Birutė Galdikas. Both orangutan species are considered to be critically endangered. Human activities have caused severe declines in the populations and ranges of both species. Threats to wild orangutan populations include poaching, habitat destruction, and the illegal pet trade. Several conservation and rehabilitation organisations are dedicated to the survival of orangutans in the wild.

BUKIT LAWANG ECO - TREK

Eco Trek Bukit Lawang, is the renowned trekking agency in Bukit Lawang having vast knowledge and experience with each and every trekking routes in Bukit Lawang.
Eco Trek is government recognised and fully authorized licensed trekking operator and tour organizer in Bukit Lawang. We have been organizing rewarding adventures in the Leuser since 1992. We trek all the traditional routes when requested, but our specialty is catering to the more adventurous travelers who prefer to move off the beaten path. We have a strong commitment to our culture and natural environment.

Eco Trek comprises of well-educated and ecologically-concerned staffs of very high standards. Our primary goal is to present you with wonderful traveling opportunities and culturally enriching adventures. We pride ourselves on the level of experience that every one of our guides possesses. They have trekked and guided in all regions of Bukit lawang and have a deep knowledge about every aspect of trekking in the Gunung Leuser National Park - Of Bukit Lawang region.

NORTH SUMATRA

North Sumatra (Indonesian: Sumatera Utara), is a province of Indonesia. It is located on the island of Sumatra, and its capital is Medan. North Sumatra is fourth most populous province in Indonesia after West Java, East Java and Central Java and the most populous Indonesian province outside Java, with over 13,5 million inhabitants in 2014

History

In the days of the Dutch government, a government of North Sumatra named Gouvernement van Sumatra with the area covering the whole of the island of Sumatra, headed by a governor who is based in the city of Medan.

After independence, the first session of the National Committee of Regions (KND), Sumatra was then divided into three sub-provinces namely North Sumatra, Central Sumatra and South Sumatra. North Sumatra province itself is an amalgamation of three administrative regions called residency namely: Residency of Aceh, East Sumatra Residency, and residency of Tapanuli.

With the publication of the Law of the Republic of Indonesia (R.I.) No. 10 Year 1948 on April 15, 1948, it was determined that Sumatra is divided into three provinces, each of which has the right to organize and manage their own household, namely: North Sumatra, Central Sumatra Province, and South Sumatra Province. Date 15 April 1948 subsequently determined as the anniversary of North Sumatra Province.

In early 1949, the reorganization of government back in Sumatra. With the decision of the Government Emergency R.I. No. 22 / Govt / Emergency Government on May 17, 1949, abolished the post of Governor of North Sumatra. Furthermore, the Government Emergency Decree R.I. on December 17, 1949, established the province of Aceh and Tapanuli Province / East Sumatra. Then, with a Government Regulation in lieu of Law No. 5 Year 1950 on August 14, 1950, such provisions shall be lifted and reshaped North Sumatra Province.

By Act R.I. No. 24 of 1956, promulgated on December 7, 1956, established an autonomous region of Aceh province, so the province of North Sumatra sebahagian become the province of Aceh.^[2]

Geography

Lake Toba, World's largest volcanic lake

The province of North Sumatra stretches across the island of Sumatra between the Indian Ocean and the Strait Malacca. It borders Aceh province on the northwest and Riau and West Sumatra provinces in the southeast. It has an area of 72,981 km². The province contains a broad, low plain along the Strait of Malacca on which the provincial capital, Medan, is located. In the south and west, the land rises to the mountain range that runs the length of Sumatra; the mountains here are dominated by Lake Toba, formed from the caldera of an ancient volcano. Several large islands in the Indian Ocean off the west coast of Sumatra are currently part of North Sumatra, most notably Nias Island and the Batu Islands.

There are 419 islands in propisi North Sumatra. The outer islands is the island Simuk (Nias), and the island Berhala in the Strait of Sumatra (Malacca).

Nias archipelago consists of the island as the main island and other smaller islands in the vicinity. Nias Islands located off the coast of western Indian Ocean. Administration center located in Gunung Sitoli.

Batu Islands consist of 51 islands with four major islands: Sibuasi, Pini, Tanahbala, Tanahmasa. Pulautelo administrative center on the island Sibuasi. Batu Islands located in the southeast of the island of Nias. Other islands in the North Sumatra: Imanna, Pasu, Bawa, Hamutaia, Batumakalele, Lego, Masa, Bau, Simaleh, Makole, Jake, and Sigata, Wunga.

In North Sumatra, there are currently two national parks, the Gunung Leuser National Park and Batang Gadis National Park. According to the Ministerial Decree, No. 44 of 2005, the forest area in North Sumatra today 3.74212 million hectares (ha). Which consists of a Natural Reserve Area / Natural Conservation Area covering an area of 477 070 ha, 1.29733 million ha of protected forest, limited production forest 879 270 ha, Permanent production forest 1,035,690 ha and production forest that can be converted covering 52 760 ha.

But this figure character is de jure alone. Because as a de facto , the existing forests is not covering it anymore. Happens a lot of damage due to encroachment and illegal logging. So far, over 206,000 ha of forest in Sumatra has experienced changes in function. Has been turned into plantations, transmigration. And of the total, as many as 163,000 ha of plantations and 42,900 ha for transmigration area.

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Sabtu, 03 Juni 2017

BUKIT LAWANG TORIST INFORMATION

BUKIT LAWANG TORIST INFORMATION