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In northern Idaho rainforest patches along the Clearwater River, a mean annual temperature of 5.4°C has been measured. [8] In British Columbian Inland rainforest areas, the mean annual temperature ranges from 2.7 to 4.5°C. In the coldest months, the mean temperature of these region lies between -8 and -9.5°C. [9]
States with the most area of that forest are listed first, while states with the least are listed last. Coordinates are those by the U.S. Board on Geographic Names, and may not be representative of the entire forest. [6] C The history of the National Forest System is very complicated. Forests have been transferred between agencies, renamed ...
Tropical rainforests have been called the "jewels of the Earth" and the "world's largest pharmacy", because over one quarter of natural medicines have been discovered there. [2] Rainforests as well as endemic rainforest species are rapidly disappearing due to deforestation, the resulting habitat loss and pollution of the atmosphere. [3]
A portion of the temperate rain forest region of North America, the largest area of temperate zone rainforests on the planet, is the Pacific temperate rain forests ecoregion, which occur on west-facing coastal mountains along the Pacific coast of North America, from Kodiak Island in Alaska to northern California, and are part of the Nearctic realm.
[14] [45] The rainforest's high humidity supports epiphytic plant species at greater height and diversity than elsewhere in the eastern United States. [15] A wide range of mosses, ferns, and liverworts have been identified as high as 140 feet (43 m) above the forest floor. [15]
While the animals in the Amazon are often larger than life, this South American rainforest region have some of the world’s smallest creatures This rainforest is full of tiny, miniature creatures ...
Ecoregions of North America, featuring the 50 United States, the District of Columbia and the five inhabited territories. The following is a list of ecoregions in the United States as identified by the World Wide Fund for Nature (WWF). The United States is a megadiverse country with a high level of endemism across a wide variety of ecosystems.
It has been estimated that before European settlement, forests in the United States mainland covered nearly 1 billion acres (4,000,000 km 2). [1] Since the mid-1600s, about 300 million acres (1,200,000 km 2 ) of forest have been cleared, primarily for agriculture during the 19th century.