Rainforest - Education | National Geographic Society
2024年10月7日 · A rainforest is an area of tall, mostly evergreen trees that receives a high amount of rainfall. Rainforests are likely Earth’s oldest living ecosystems , with some surviving in their present form for at least 60 million years.
Rainforests, Explained - National Geographic Society
2023年10月19日 · Found on every continent except Antarctica, rainforests are ecosystems filled with mostly trees that typically receive high amounts of rainfall. 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.
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.
Local and Global Effects of Deforestation in the Amazon Rainforest
2024年3月11日 · The Amazon rainforest plays a crucial role in keeping carbon out of our atmosphere, as it naturally sequesters about 28% of the atmospheric carbon emitted by the burning of fossil fuels elsewhere. But, it can only remain a carbon sink as long as it absorbs more carbon dioxide than it releases.
Amazon Deforestation and Climate Change - Education
2024年8月20日 · The Amazon rain forest absorbs one-fourth of the CO2 absorbed by all the land on Earth. The amount absorbed today, however, is 30% less than it was in the 1990s because of deforestation. A major motive for deforestation is cattle ranching.
Amazonia: The Human Impact - Education
2023年10月19日 · Amazonia: The Human Impact. Mining, logging, ranching, agriculture, and oil and gas extraction have put unsustainable pressure on the delicate rain forests of the Amazon Basin.
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.
The Amazon Rain Forest Is Not an Untamed Jungle
2017年3月7日 · environmental conditions. In most regions of the rain forest, factors such as soil quality, access to sunlight, and water availability have a greater influence on distribution of trees (both domesticated and wild).
Marine Ecosystems - Education
2024年8月29日 · Marine ecosystems are aquatic environments with high levels of dissolved salt. These include the open ocean, the deep-sea ocean, and coastal marine ecosystems, each of which has different physical and biological characteristics.
New Study: One Size Approach Does Not Fit All Rainforests
2021年7月23日 · London, UK – A new study published today in the scientific journal, One Earth introduces a unique tropical rainforest vulnerability index (TFVI) to detect and evaluate the vulnerability of global tropical rainforests to increasing threats from changes in …