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 about 390 billion trees from 16,000 different species. Many animals that live here cannot be found anywhere else on Earth.

More than 30 million people, including many different ethnic groups, live in the Amazon. Some of these groups have lived in the forest for thousands of years and still maintain their traditional ways of life. However, the forest is facing serious threats from large scale deforestation, which harms both the environment and the people who depend on it.

Etymology

The name Amazon comes from a story about a explorer named Francisco de Orellana. He fought with tribes, including the Tapuyas, and noticed that women fought just like 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 located across nine countries in South America, with most of it in Brazil. Other countries that share the rainforest include Peru, Bolivia, Colombia, Venezuela, Guyana, Suriname, French Guiana, and Ecuador.

The rainforest has existed for at least 55 million years. It grew when the climate became warmer and wetter after the Atlantic Ocean expanded. Even during colder periods, the rainforest survived and allowed many different species to live there. The rainforest gets important nutrients, like phosphorus, from dust that blows all the way 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 most biologically rich areas on Earth. It is home to about one in ten known species in the world, including many plants, animals, and insects. Scientists have identified tens of thousands of plant species, thousands of birds and mammals, and many types of fish, amphibians, and reptiles living there.

The rainforest also has dangerous animals like the black caiman, jaguar, and electric eel, as well as poison dart frogs and parasites that can spread diseases. However, the greatest threat to this amazing biodiversity is habitat loss from deforestation and fires.

Threats

The Amazon rainforest faces serious threats, mainly from deforestation. People clear forests to create farms, especially for cattle and soybeans. This clearing is often done by 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 both nature and people. Studies show that keeping the forest intact can be more valuable than cutting it down. For example, one area can provide fruits, latex, and timber if cared for properly, while clearing it for farming is much less valuable.

Many efforts are helping to protect the Amazon. From 2002 to 2006, the amount of protected land almost tripled, and cutting of trees dropped by up to 60%. In 2023, Brazil’s new policies helped reduce deforestation by around 50% compared to 2022, even during a severe drought. Indigenous communities also play a big role in protecting their lands, and their efforts help keep ecosystems healthy.

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