Amazon basin

The Amazon Basin is the part of South America drained by the Amazon River and its tributaries. It covers a huge area that stretches across several countries, including Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, Suriname, and Venezuela, as well as the territory of French Guiana.

Most of the basin is covered by the Amazon rainforest, also called Amazonia. It is the largest rainforest in the world. This region is full of life, with many different plants, animals, birds, fish, and insects.

Even though it is full of life, the Amazon Basin has only a few large cities like Manaus and Belém. Many people who live there belong to indigenous communities with unique cultures and languages. For these communities, fishing and agriculture are important ways to live and get food.

Geography

The Amazon drainage basin is a very large area, about 7,000,000 km², covering 35.5 percent of South America. The Amazon River begins in the Andes Mountains in Peru and flows east. It is one of the longest rivers and carries the most water of any river system.

The basin includes parts of several countries, such as Peru, Brazil, Colombia, and Venezuela, as well as Bolivia and Ecuador. Most of this area is covered by the Amazon rainforest, though some parts have been cleared for farming.

Plant life

The Amazon Basin has over 40,000 types of plants. The area has thick plants and animals because it gets a lot of rain and has big evergreen and coniferous forests. The trees grow so close together that little sunlight reaches the ground. Only plants that can grow in shade live there. Some plants, like orchids and bromeliads, climb trees to get closer to the sun using special aerial roots. Common trees in the Amazon include the Brazil nut, rubber tree, and Assai palm. The rich plant life gets help from dust from the Saharan desert that crosses the Atlantic every year.

Wildlife

The Amazon Basin has many kinds of animals, including mammals, birds, reptiles, amphibians, fish, and insects.

There are many mammals, such as jaguars, ocelots, capybaras, and pumas. The basin has many birds, like toucans, hummingbirds, and macaws. Reptiles such as the green anaconda and boa constrictor live here, along with many frogs. The Amazon River has many fish, including the giant arapaima and small cavefish. Insects are very common, especially beetles. Some places, like Manú National Park in Peru, have many butterfly species.

Climate

The Amazon River basin has a dry season and a wet season. During the wet season, rivers flood nearby forests. The climate is usually hot and humid. From June to September, some areas might feel cooler because of winds from Antarctica. The average yearly temperature is between 25 and 28 degrees Celsius. There is not much difference between summer and winter.

Human lifestyle

The Amazon basin has only a few people. Most live in big cities near the Amazon River and other rivers. These cities include Iquitos in Loreto, Peru; Manaus, Amazonas State; and Belém, Pará. In some places, forests are cleared for soya bean plantations and ranching. Some people collect wild rubber latex and Brazilian nuts without cutting down trees. This is a better way to use the land. Traditional homes in these areas are often thatched houses shaped like beehives. Some people live in houses called "Maloca" with steep roofs.

Languages

The Amazon Basin has many languages. The most common languages are Portuguese and Spanish. There are also hundreds of native languages still used by people there. Sadly, many of these languages are endangered.

Indigenous peoples

See also: Indigenous peoples in Brazil, List of Indigenous territories (Brazil), and List of Indigenous peoples of South America

Many tribal groups have lived in the Amazon Basin for a very long time. Each group has its own culture, language, and way of living. Today, about 1.5 million people live there, including around 100 tribal groups that have not had much contact with the rest of the world. The largest organization helping these communities is COICA. It works to protect indigenous peoples and their indigenous rights in several countries.

River commerce

The Amazon River is the main way for people and goods to travel in the area. Travel can be done on simple balsa rafts and dugout canoes. People also use larger wooden boats and modern steel ships.

Fisheries

The Amazon Basin has many different kinds of fish. Many people catch fish there for food and jobs. Fishing is important for about 200,000 people.

About 575 different fish species are caught. Most of the fish caught move between different areas.

Commercial fishing is important in the Amazon Basin. It helps give jobs and money to local communities. But catching too many fish can hurt the environment. Some places have rules to help protect fish.

Sport fishing is popular with tourists. They come to fish for peacock bass and silver arowana. This brings money but can also cause problems.

Subsistence fishing, where people fish to feed their families, is common. Many indigenous communities rely on fishing for food. However, pollution from gold mining has put mercury in the rivers, which can be harmful.

Agriculture

Seasonal floods bring rich soil to the riverbanks, helping people grow rice, beans, and corn without extra help. Fishing gives food all year, and chickens eat what they find. Charcoal is made from dead trees and plants for cities. Hunting animals like deer and turtles for food is also common.

Large areas of forest are being cleared, especially in Brazil, which can hurt plants and animals and damage the soil, water, and air. The soil here is not deep enough for long-term farming without special help.

Global ecological role / Function for climate change

The Amazon Basin helps our planet in many ways. Its trees and plants take in carbon dioxide from the air and give out oxygen. This helps keep our climate balanced. The Amazon also holds a lot of water, which is important for rain and weather in South America and the world.

Sadly, damage to the Amazon rainforest, like cutting down trees, can make climate change worse. The Amazon is home to many plants and animals, and it helps control the world's carbon and water cycles.