Rainforest - Education | National Geographic Society
2024年10月7日 · Tropical rainforests are so warm and moist that they produce as much as 75 percent of their own rain through evaporation and transpiration. Such ample sunlight and moisture are the essential building blocks for the diverse flora and fauna living in tropical rainforests.
Rainforests 101 - National Geographic Society
2023年10月19日 · Rainforests are home to over half of the world's plant and animal species. Learn about tropical and temperate rainforests, how they contribute to the global ecosystem, and the conservation efforts to protect these biomes.
Rainforests, Explained - National Geographic Society
2023年10月19日 · Tropical rainforests are found near the equator, with high average temperatures and humidity, while temperate rainforests lie mostly in coastal, mountainous areas within the midlatitudes. A rainforest is typically made up of four key layers: emergent, upper canopy, understory, and forest floor.
The Amazon Rainforest - Education
The Amazon Basin supports the world’s largest rainforest, which accounts for more than half the total volume of rainforests in the world. Occupying much of Brazil and Peru, and also parts of Guyana, Colombia, Ecuador, Bolivia, Suriname, French Guiana, and Venezuela, the Amazon River Basin is the world’s largest drainage system.
Rainforests - Education
Despite covering just 6 percent of Earth’s surface, more than half the world’s plant and animal species live in rainforests. Like the name suggests, rainforest ecosystems are full of trees and receive huge amounts of rain.
Local and Global Effects of Deforestation in the Amazon Rainforest
2024年11月13日 · Since 1947, the total area of tropical rainforests has likely been reduced by more than half, to about 6.2 to 7.8 million square kilometers (3 million square miles). Many biologists expect rainforests will lose 5-10% of their species each decade.
Grasslands Explained - Education
2023年10月19日 · Tropical grasslands include the hot savannas of sub-Saharan Africa and northern Australia. Rainfall can vary across grasslands from season to season and year to year, ranging from 25.4 too 101.6 centimeters (10 to 40 inches) annually.
Forest Biome - National Geographic Society
2023年10月19日 · Tropical forests are common to areas near the equator, such as Southeast Asia, sub-Saharan Africa, and Central America. Temperatures in tropical forests have been reported to range between 20 and 31°C (68 and 88°F). Tropical rainforests are the epitome of …
Tropics - Education | National Geographic Society
2023年10月19日 · The tropical seasons are broken up into just two: the wet season and the dry season. The amount of rain can vary greatly from one area of the tropics to another. Some areas, like parts of the Amazon Basin in South America, get almost three meters (nine feet) of …
South America: Physical Geography - National Geographic Society
2023年10月19日 · One of the continent’s river basins (the Amazon) is defined by dense, tropical rain forest, while the other (Paraná) is made up of vast grasslands. With an unparalleled number of plant and animal species, South America’s rich biodiversity is …