Geography of Taiwan

Geography of Taiwan
Formosa Loves River 致福爾摩沙之高雄愛河 · Copyrighted free use · source
Name	Taiwan
Alt name	Republic of China (ROC)
Continent	Asia
Region	East Asia
Coordinates	23°30′N 121°00′E
Area km2	36,197
Highest point	Yushan (3,952 m)
Population	23.5 million (approx.)
Capital	Taipei

Geography of Taiwan Taiwan is an island and archipelagic entity in East Asia located off the southeastern coast of China and at the junction of the Philippine Sea and the East China Sea. The territory administered as the Republic of China comprises the main island of Taiwan, the archipelagos of the Pescadores (Penghu), the Kinmen Islands, the Matsu Islands, and the southern islands of Pratas (Dongsha) and Taiping (Itu Aba) in the South China Sea. Its strategic position has shaped interactions with Japan, the United States, and Southeast Asian polities such as the Kingdom of Ryukyu.

Location and Extent

Taiwan lies within the Western Pacific ring of islands between China and the Philippine Archipelago, centered near 23°N, 121°E. The main island spans roughly 394 km north–south and 144 km east–west with a total land area comparable to the Netherlands or the U.S. state of Maryland. Territorial waters and exclusive economic zones touch or overlap with claims by People's Republic of China and interactions with the United States naval presence in the First Island Chain context. The ROC administration controls offshore groups: Penghu, Kinmen, and Matsu, each with distinct proximity to Fujian. The southern island groups—Pratas and Taiping (Itu Aba)—extend Taiwan's maritime footprint into the South China Sea and bring it into contact with features like Scarborough Shoal and disputes involving Philippines and Vietnam.

Physical Geography

The island's backbone is a central mountain range including Yushan, Xueshan, and the Central Mountain Range, forming steep east-facing escarpments and narrower western plains. The geology reflects active convergence between the Philippine Sea Plate and the Eurasian Plate, producing frequent earthquakes such as the 1999 Chi-Chi earthquake and driving uplift that created metamorphic complexes like the Tawu and plutonic intrusions such as the Lichi Formation. Major rivers—the Zhuoshui River, Tamsui River, Gaoping River—drain westward into the Taiwan Strait or southward to the Bashi Channel. Coastal morphology varies from sandy plains near Taipei Basin and Kaohsiung to dramatic sea cliffs at the Taroko Gorge and surf breaks along the eastern shore like Fulong. Volcanic features are present in the north at Yangmingshan and offshore at Green Island and Orchid Island.

Climate

Taiwan's climate ranges from tropical in the south to subtropical in the north, influenced by the East Asian Monsoon and the Kuroshio Current. Seasonal patterns include warm, humid summers with typhoon tracks affecting the island from June to October, and cooler, drier winters with northeasterly winds known as the northeast monsoon. Orographic uplift along the Central Mountain Range produces high precipitation on windward slopes, supporting cloud forests and frequent fog in alpine zones such as around Hehuanshan. Climatic extremes include typhoons like Typhoon Morakot (2009) that triggered massive landslides and flooding in Pingtung County and Taitung County.

Flora and Fauna

Biodiversity reflects islands’ biogeographic position between Sunda Shelf and continental Asia; montane habitats host endemic taxa such as the Formosan black bear, Formosan macaque, and the endemic tree species Taiwania cryptomerioides and Formosan cypress. Lowland and coastal wetlands provide stopover habitat for migratory birds on the East Asian–Australasian Flyway including species recorded at Yilan, Penyu (Penghu) and Gaomei Wetlands. Coral reefs and marine ecosystems around Xiaoliuqiu and Green Island support reef fish, sea turtles like the green sea turtle and hawksbill turtle, and are affected by bleaching from warming seas. Conservation sites include Yangmingshan National Park, Taroko National Park, and Kenting National Park, which protect montane, riparian, and coral reef biomes against pressures from development and invasive species such as Muntjac and introduced rodents.

Population Distribution and Urban Geography

Population clusters concentrate on the western plains in metropolitan regions: Taipei–Keelung metropolitan area, Taichung, Tainan, and Kaohsiung. The eastern corridor along Hualien County and Taitung County is sparsely settled, with indigenous peoples such as the Amis, Atayal, and Paiwan maintaining cultural landscapes. Urban growth has driven suburbanization in New Taipei City, transport corridors along the Taiwan High Speed Rail, and port development at Keelung Harbor and Kaohsiung Harbor. Land use patterns show intensive rice paddies and high-tech industrial parks in Hsinchu Science Park juxtaposed with remnant agricultural terraces in Alishan and coastal reclamation projects near Taichung Port.

Natural Resources and Environment

Natural resources include limited mineral deposits—copper at Jinguashi historic mines—and offshore fisheries concentrated around the Taiwan Strait and Bashi Channel. Hydropower harnessed on rivers such as the Shuili River and pumped-storage projects at Mingtan Reservoir supply electricity alongside thermal and imported fuels. Environmental challenges include air pollution episodes influenced by transboundary haze from Mainland China, soil erosion on deforested slopes, groundwater over-extraction in the Western Coastal Plain, and landfill management exemplified by the transition from the Fudekeng practice to modern waste-to-energy plants.

Geopolitical and Maritime Issues

Taiwan's maritime zones and island holdings intersect with contentious maritime claims and strategic considerations involving the People's Republic of China, the United States Indo-Pacific Command, and neighboring claimants in the South China Sea disputes including the Philippines and Vietnam. Control of adjacent sea lanes near the Taiwan Strait affects global shipping between the East China Sea and the South China Sea and draws attention in contexts like the First Island Chain concept and freedom of navigation operations by the United States Navy. Cross-strait relations influence management of resources, airspace coordination with Civil Aviation Administration of China-linked arrangements in the past, and participation in multilateral environmental and maritime forums where membership is limited by diplomatic status.

Category:Islands of Taiwan Category:Geography by country