The Equatorial Region is a geographic and climatic zone centered around the Equator (0° latitude), generally extending between 5°N and 5°S latitude. It is characterized by a hot, wet, and humid climate throughout the year, and is home to the world's most diverse ecosystems — the Tropical Rainforests.
The Amazon Rainforest (located in the equatorial region of South America) produces approximately 20% of the world's oxygen and is home to about 10% of all species on Earth.
1. Temperature: Consistently high throughout the year, averaging 25–30°C. There is no clear winter or summer — just hot and wet all year.
2. Rainfall: Heavy rainfall of more than 200 cm per year, distributed fairly evenly. Convectional rainfall occurs almost every afternoon as the hot, moist air rises, cools, and condenses.
3. Vegetation: Dense Tropical Rainforests (Selva) with multiple canopy layers. Trees grow very tall (30-50 m) to compete for sunlight. Biodiversity is extraordinarily high.
4. No Dry Season: Unlike most other climate zones, the equatorial region experiences no true dry season.
| Region | Location |
|---|---|
| Amazon Basin | South America (Brazil) — world's largest tropical rainforest |
| Congo Basin | Central Africa (Democratic Republic of Congo) |
| Southeast Asian Islands | Indonesia, Malaysia, Papua New Guinea |
| Western African Coast | Guinea, Cameroon, Gabon |
The equator receives direct and intense sunlight throughout the year (the sun is always nearly overhead). This heats the surface strongly, causing heavy evaporation and leading to abundant rainfall. Since the sun's angle barely changes, there are no seasons.
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