Thailand :: Geography | ||
(land: 511,770 sq km; water: 2,230 sq km) Terrain: central plain (densely populated); Khorat Plateau in the east; mountains elsewhere Elevation extremes lowest point: Gulf of Thailand 0 m; highest point: Doi Inthanon 2,576 m Major rivers: Chao Phraya (longest at 365 km), Mekong The giant catfish, native to the Mekong River, is in danger of extinction due to overfishing, as well as decrease in water quality as a result of development and upstream damming. Fishing for the giant catfish is illegal in Thailand, Laos and Cambodia.Land use arable land: 27.54%; permanent crops: 6.93%; other: 65.53% (2005) Irrigated land: 49,860 sq km (2003) Natural resources: tin, rubber, natural gas, tungsten, tantalum, timber, lead, fish, gypsum, lignite, fluorite, arable land Climate: tropical monsoon; mid-May to September: rainy, warm, cloudy southwest monsoon; November to mid-March: dry, cool northeast monsoon; southern isthmus always hot and humid Natural hazards: land subsidence in Bangkok area resulting from the depletion of the water table; droughts Environment issues: (1) air pollution from vehicle emissions; (2) water pollution from organic and factory wastes; (3) deforestation; (4) soil erosion; (5) wildlife populations threatened by illegal hunting |