The World’s Forests Mapped
A forest is an area of land covered by trees. According to the Food and Agriculture Organization, forests cover some 3.9 billion hectares (or 9.6 billion acres), which is about 30% of the Earth’s land surface.
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forests
Tree Height Maps
Scientists from NASA created the map of the height of the planet’s forest. The map was generated using 2.5 million by laser pulse measurements from space.
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Autumn foliage colors mapped
Chlorophyll isn’t the alone player in the autumn leaf-color game. Some tree species begin to produce other pigments: beta-carotene, anthocyanin, flavonols. When the seasons begin to change, the production of Chlorophyll slows to a halt. That is what changes forests yellow, oranges and red.
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The forest cover of the United States mapped
At the time of European settlement in North America, primary or virgin forests covered nearly all of the East Coast (1 billion acres or 4 million sq. km.). By the end of the 20th century, virgin forests remained in the South. Nowadays, If we consider all forests, 37% of the United States territory (about 1/3 of the U.S.) is forested.
Read moreForest area in Europe (million ha) and share (percent) of land area by country
40 percent of land in Europe covered by forests. Forest area in Europe has increased since 1990 by 17 million
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