Tree Tells Story Of The Beginning Of The Anthropocene

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Tree Tells Story Of The Beginning Of The Anthropocene
david glass [CC BY-SA 2.0], via Wikimedia Commons

Scientists were looking for reliable evidence of the beginning of the Anthropocene, which is the most recent geological epoch. They finally identified it in the form of a “golden spike” which they found in the heartwood of the loneliest tree in the world.

Scientists have already found that humans have had an impact on the planet’s ecosystems throughout thousands of years. Also, many people find that the sudden spike in radioactive carbon used is caused by humans testing nuclear weapons during the 1950s and 1960s, and that humans are the main cause of the more intense climate changes.

They discovered that “golden spike” in the loneliest tree in the world. The reason why this Sitka spruce tree is called the loneliest tree in the world is because the nearest tree to it is located 125 miles away in the Aukland Islands, while the Sitka spruce is found on Campbell island, located in the middle of the Southern Ocean.  Scientists discovered that the tree recorded radioactive traces from atmospheric thermonuclear bomb tests inside of its heartwood. This “golden spike” helped them determine that the Anthropocene began between October and December of 1965.

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