Scientists from all over the world estimate, based on the largest forest database ever, that there are about 73,000 tree species on Earth, including some 9200 species that have not yet been discovered. Conservative estimate of the total number of tree species on Earth is 73,274. That means that around 9200 tree species still need to be discovered. These trees do not yet have a scientific name or description. The number of tree species on Earth

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Investigators are puzzling: millennial trees suddenly die. Whoever has ever been to Africa probably knows him: the baobab tree . The giant tree can grow up to 3000 years old and is almost indestructible, but over the past twelve years they suddenly die in a row. Researchers are in the dark about the cause.

An immense baobab dominates the savannah landscape of the Kruger National Park in South Africa. In the South African province of Limpopo, once there was a baobab that grew so large that local residents proceeded to a logical next step: they started a bar in the hollowed out trunk of the thousand-year-old living tree that had a circumference of almost fifty meters and where two connected to each other cavities in seats.

Africa's ancient baobab trees are dying, scientists are puzzling. A mysterious assassin feels the mighty baobab trees in Africa. National Geographic

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