Amazon rainforest

The Amazon rainforest, also called the Amazon jungle or Amazonia, is a moist broadleaf tropical rainforest in the Amazon biome that covers most of the Amazon basin of South America. This huge forest spans over 7 million square kilometers, with 6 million square kilometers covered by thick, green trees. It stretches across nine countries, with the largest part in Brazil, and smaller parts in Peru, Colombia, and other nearby nations.

The Amazon rainforest is home to an amazing variety of plants and animals. It contains the largest and most biodiverse tropical rainforest in the world, with many trees and creatures that live only here on Earth.

Many people live in the Amazon, including groups who have been there for a very long time. The forest faces big challenges that can hurt both nature and the people who live there.

Etymology

The name Amazon comes from a story about an explorer named Francisco de Orellana. He traveled through the area and noticed that women fought alongside men. This reminded him of the Amazons from Greek mythology, famous warriors. That’s why the rainforest is called the Amazon today.

History

The Amazon rainforest has been home to people for thousands of years. Archaeological findings show that humans lived in the Amazon as far back as 11,200 years ago. For a long time, people thought the rainforest could only support very few people, but newer discoveries suggest it was actually much more crowded in the past.

Explorers from Europe first traveled through the Amazon River in the 1500s. Sadly, diseases from Europe later caused many problems for the native populations. Over time, scientists have found evidence that ancient people carefully shaped parts of the rainforest through farming and other ways, showing that they lived there in large, successful communities.

Geography

The Amazon rainforest is in nine countries in South America. Most of it is in Brazil. Other countries with part of the rainforest are Peru, Bolivia, Colombia, Venezuela, Guyana, Suriname, French Guiana, and Ecuador.

The rainforest has been around for at least 55 million years. It grew when the climate became warmer and wetter after the Atlantic Ocean got bigger. Even when it got colder, the rainforest stayed and helped many different plants and animals live there. The rainforest gets important nutrients, like phosphorus, from dust that blows from the Sahara desert in Africa.

Biodiversity

See also: List of plants of the Amazon rainforest of Brazil, Fauna of the Amazon rainforest, and Amazonian manatee

The Amazon rainforest is one of the richest places on Earth for living things. It is home to about one in ten known species in the world. This includes many plants, animals, and insects. Scientists have found thousands of plant types, many birds and mammals, and lots of fish, amphibians, and reptiles.

The rainforest has some animals that can be dangerous, like the black caiman, jaguar, and electric eel. There are also poison dart frogs and parasites that can make people sick. But the biggest danger to the plants and animals is when forests are cut down or burned.

Threats

The Amazon rainforest faces serious threats, mainly from deforestation. People clear forests to create farms, especially for cattle and soybeans. This clearing often involves cutting and burning trees, which harms the environment and the animals that live there. Building roads, like the Trans-Amazonian Highway, also opens up more land for farming and makes it easier to cut down trees.

Wildfires have also become a big problem, especially in dry years. These fires can spread quickly and damage large areas of the forest. Droughts, which happen when there is not enough rain, make the forest drier and more likely to catch fire. Scientists worry that if too much of the forest is lost, it might change permanently into a drier landscape with fewer trees. This would be very bad for the plants, animals, and people who depend on the rainforest. Climate change makes these problems worse by causing hotter, drier conditions that increase the risk of fires and droughts.

Conservation

See also: Deforestation and climate change, Gaviotas, and Amazon Fund

Protecting the Amazon rainforest is important for nature and people. Keeping the forest safe is more valuable than cutting it down. For example, one area can give us fruits, latex, and timber if we care for it properly.

Many efforts help protect the Amazon. From 2002 to 2006, the amount of protected land almost tripled, and cutting of trees dropped a lot. In 2023, Brazil’s new rules helped reduce deforestation by around 50% compared to 2022, even during a very dry time. Indigenous communities play a big role in protecting their lands, and this helps keep ecosystems healthy.

Remote sensing technology, like satellites, helps scientists see changes in the rainforest. This helps conservationists and Indigenous tribes protect their lands. Some experts believe that supporting local economies without cutting trees—such as through ecotourism or sustainable farming—can help save the rainforest while also giving jobs and income for people living nearby.