Tropical Americas

Tropical Americas
Name	Tropical Americas

Tropical Americas The Tropical Americas encompass the parts of the American continents lying between the Tropic of Cancer and the Tropic of Capricorn, including large portions of Mexico, the Caribbean, Central America, and much of South America. This region is characterized by complex interactions among major geographic features such as the Amazon River, the Andes, the Yucatán Peninsula, and island arcs like the Greater Antilles and Lesser Antilles. It hosts a mosaic of cultures shaped by contacts among Indigenous nations, European empires, African diasporas, and modern transnational flows involving institutions like the Organization of American States.

Geography and Boundaries

The Tropical Americas extend from the Isthmus of Tehuantepec and the southern states of Mexico through the Central American isthmus including Guatemala, Belize, Honduras, El Salvador, Nicaragua, Costa Rica, and Panama, into the Caribbean archipelagos of Cuba, Hispaniola, Jamaica, and the Bahamas, and southward across the tropical belt of Colombia, Venezuela, Guyana, Suriname, French Guiana, Brazil, Ecuador, Peru, Bolivia, and parts of Paraguay and Argentina. Boundaries are shaped by continental divides such as the Andes Mountains, drainage basins including the Orinoco River and the Amazon Basin, and maritime zones like the Caribbean Sea and the South Atlantic Ocean. Political borders intersect with biogeographic provinces recognized by institutions such as the World Wildlife Fund.

Climate and Ecosystems

Climatic regimes range from humid equatorial climates influenced by the Intertropical Convergence Zone to seasonal tropical savannas and monsoon-affected coasts; regional drivers include the El Niño–Southern Oscillation, the North Atlantic Oscillation, and ocean currents like the Brazil Current and the Caribbean Current. Ecosystems include lowland tropical rainforests such as the Amazon Rainforest, montane cloud forests along the Andes, seasonally dry forests in the Gran Chaco and Caatinga, extensive wetlands like the Pantanal and the Orinoco Delta, mangrove complexes on coasts adjacent to the Gulf of Mexico, and coral reef systems in the Mesoamerican Barrier Reef System and around the Greater Antilles.

Biodiversity and Endemism

The Tropical Americas are a global biodiversity hotspot hosting iconic taxa; centers of endemism and speciation include the Amazon Basin, the Andean–Amazonian foothills, the Atlantic Forest (Mata Atlântica), and the Chocó biogeographic region. Notable faunal groups include primates such as species of Atelidae and Callitrichidae, New World birds including families like Thraupidae and Trochilidae, and highly diverse amphibian assemblages comprising genera like Dendrobates and Eleutherodactylus. Plant diversity features lineages such as Fabaceae, Orchidaceae, and Bromeliaceae with endemics in montane páramo and tepui plateaus exemplified by the Guiana Highlands. Conservation science draws on research from institutions like the Smithsonian Tropical Research Institute and the Royal Botanic Gardens, Kew.

Human Populations and Cultures

Human geography includes Indigenous nations and linguistic families such as the Quechua, the Arawak, the Tupi–Guarani complex, the Mayan peoples (including Yucatec Maya and K'iche' communities), and the Mapuche, alongside diasporic societies formed by actors linked to the Transatlantic slave trade and migrations to urban centers like São Paulo, Lima, Mexico City, Caracas, and Kingston. Cultural expressions range from pre-Columbian monumental systems exemplified by Tikal, Machu Picchu, and Copán to colonial-era syncretism visible in Havana and Quito, musical genres including salsa, reggae, samba, and cumbia, and religious practices mediated by institutions such as the Catholic Church and Afro-descendant traditions like Candomblé and Vodou.

History and Colonization

Precontact histories involved complex polities such as the Inca Empire, the Aztec Empire (Triple Alliance), and the various city-states of the Maya civilization. European colonization began with voyages by Christopher Columbus and subsequent claims by Spain, Portugal, France, Britain, and the Netherlands formalized through instruments like the Treaty of Tordesillas and reinforced by colonial administrations such as the Viceroyalty of New Spain and the Viceroyalty of Peru. Independence movements of the 19th century featured leaders and events including Simón Bolívar, José de San Martín, the Mexican War of Independence, and the Haitian Revolution. Twentieth-century geopolitics involved interventions and regimes associated with entities like the United States and the Organization of American States, as well as social movements connected to figures such as Che Guevara and policies influenced by the Monroe Doctrine.

Economy and Natural Resources

The region's economies exploit resources including tropical timber from the Amazon Rainforest, petroleum reserves in Venezuela and off the coast of Brazil, mineral deposits in the Andes (including copper in Chile and silver in Potosí historically), agricultural commodities such as coffee from Colombia and Brazil, cacao from regions tied to Olmec and Maya cultivation histories, and fisheries in the Caribbean Sea. Economic linkages involve multinational corporations, regional trade blocs like the Mercosur and the Central American Integration System, and global commodity chains supplying markets in the European Union and China.

Conservation and Environmental Threats

Conservation challenges include deforestation driven by cattle ranching, soy cultivation linked to actors operating in the Pantanal and Amazon Basin, oil extraction impacts in the Orinoco Belt, mining pressures in the Guiana Shield and the Andes, coral reef degradation in the Mesoamerican Barrier Reef System, and biodiversity loss exacerbated by climate change processes such as increased frequency of hurricane events impacting Caribbean islands. Responses involve national parks and protected areas like Manú National Park and the Iguaçu National Park, multinational conservation programs supported by entities such as the World Wildlife Fund and the Inter-American Development Bank, Indigenous-led conservation initiatives including territorial governance by communities recognized under instruments like the United Nations Declaration on the Rights of Indigenous Peoples, and scientific networks linking universities and research centers including Universidad Nacional Autónoma de México and the Universidade de São Paulo.

Category:Regions of the Americas