Tunguska91 Photos

The most spectacular phenomenon observed in the Tunguska trees is their accelerated growth, usually starting from 1909 but sometimes from some years later (The red mark indicates the 1912 tree ring ). We concluded that the accelerated tree growth derives from the improved environmental conditions after the explosion: ash fertilization by charred trees, decreased competition for light, greater availability of minerals due to the increased distance between trees, etc..

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