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Tropical timber may refer to any type of timber or wood that grows in tropical rainforests and tropical and subtropical moist broadleaf forests and is harvested there. Typical examples of worldwide industrial significance include, among others, the following hardwoods :
It is the fifth-largest Wikipedia in a non-European language, as well as the third-largest for a language which is official in only one country. In contrast to the English Wikipedia, the Vietnamese Wikipedia allows bots to create articles: as of 2023, more than 58% of its articles had been generated in this way. [2]
[2] Việt-nam bách-khoa từ-điển (Encyclopedia of Vietnam), a set of encyclopedias with annotations in Chinese, English and French by Đào Đăng Vỹ, a Vietnamese scholar; published from 1959 to 1963 in Saigon, Republic of Vietnam. [3] [4]
Từ điển bách khoa Việt Nam (lit: Encyclopaedic Dictionary of Vietnam) is a state-sponsored Vietnamese-language encyclopedia that was first published in 1995. It has four volumes consisting of 40,000 entries, the final of which was published in 2005. [1] The encyclopedia was republished in 2011.
By far the largest vegetation type is tropical dense moist evergreen forest on limestone under 800 m above sea level. 96.2% of this national park is covered with forest, 92.2% of which is intact primary forest. 74.7% (1104.76 km 2) of the park is covered with evergreen tropical wet forest on limestone rocks at the elevation of under 800 m; 8.5% ...
The forest cover in the park is of the order of 96.2% of primary forest. In April 2009, a group of cave explorers from the British Caving Association conducted surveys in this park and adjacent areas. The biggest chamber of Sơn Đoòng cave is about 4.5 kilometres (2.8 mi) in length, 140 by 140 metres (460 by 460 ft) in size was discovered. [19]
Teak is a large deciduous tree up to 40 m (131 ft) tall with grey to greyish-brown branches, known for its high-quality wood. Its leaves are ovate-elliptic to ovate, 15–45 cm (5.9–17.7 in) long by 8–23 cm (3.1–9.1 in) wide, and are held on robust petioles which are 2–4 cm (0.8–1.6 in) long. Leaf margins are entire. [6]
The distribution of river and stream network in the province is 0.98 km/km 2. There are three main rivers: Lô, Gâm and Pho Day. The Lô River originates in Van Nam, China, flows through Hà Giang to this province; it flows for a length of145 kilometres (90 mi) in the province and drains an area of 2,090 square kilometres (810 sq mi).