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Northern Vietnam lowland rain forests; Red River freshwater swamp forests; South China-Vietnam subtropical evergreen forests; Southern Annamites montane rain forests; Tonle Sap freshwater swamp forests; Tonle Sap-Mekong peat swamp forests
Vietnam's ethnic mosaic results from the peopling process in which various peoples came and settled the territory, leading to the modern state of Vietnam by many stages, often separated by thousands of years over a duration of tens of thousands of years. Vietnam's entire history, thus, is an embroidery of polyethnicity. [14]
The ecoregion consists of an area of plateau and low river basin in Cambodia, Thailand, Laos, Vietnam and Myanmar and includes: . In Thailand the large Khorat Plateau, the higher elevation plains of the Chao Phraya River basin, the foothills of the Tenasserim Hills and other dry areas of the lower slopes of the Khun Tan, Phi Pan Nam and Phetchabun mountain ranges of the north of the country.
The World Wildlife Fund (WWF) divides Indomalayan realm into three bio-regions, which it defines as "geographic clusters of eco-regions that may span several habitat types, but have strong biogeographic affinities, particularly at taxonomic levels higher than the species level (genus, family)".
Mangroves everywhere are vulnerable to clearance for logging and for agricultural development, and in this region have been particularly affected by the Vietnam War damage, particularly America's chemical weapon of defoliants, the Rainbow Herbicides, most notably Agent Orange which destroyed and devastated entire mangrove forests.
The Northern Vietnam lowland rain forests ecoregion (WWF ID: IM0141) covers the central-eastern coast of Vietnam from the Red River delta in the north to Tam Kỳ in the center of the country and neighboring adjacent parts of Laos. The region is one of the wet evergreen forests, with rain over 50 mm in every month.
The ecoregion stretches from the northeastern corner of Vietnam, across the lower half of southeastern China, and down into coastal Hainan Island. To the north is the watershed of the Pearl River, and to the south is the South China Sea. The terrain is mountainous for the most part, except along the coasts and around the Leizhou Peninsula
The main environmental concern that persists in Vietnam today is the legacy of the use of the chemical herbicide Agent Orange, which continues to cause birth defects and many health problems in the Vietnamese population. In the southern and central areas affected most by the chemical's use during the Vietnam War, nearly 4.8 million Vietnamese ...