There are 20 quadrillion ants on Earth, 2 to 20 times more than previously estimated
地球上に生息しているアリの個体数は２京匹とする推計が、１９日の米科学アカデミー紀要に発表されました
An estimate that the number of ants inhabiting the earth is 2,000, was announced on the 19th in the Proceedings of the National Academy of Sciences.
2 quintillion is equivalent to 20,000 times 1 trillion, which is 2 to 20 times higher than previous estimates.
論文共同筆頭筆者のドイツ・ビュルツブルクの研究者は２０日、「アリの数の多さに驚いた」とＣＮＮに語りました
A researcher from Würzburg, Germany, who co-leaded the paper, told CNN on the 20th that he was surprised by the number of ants.
「これまで科学文献に掲載されていた数字は、基本的には経験に基づく推測であり、実験によって得られたデータはほとんどなかった」「そこに我々の研究の新しさがある
”So far, the numbers published in the scientific literature have basically been estimates based on experience, and there has been little experimental data.” ”Therein lies the novelty of our research.
We have compiled the data from a number of empirical studies.”
これまでの推計では、地球上のアリの数は１０００兆匹～１京匹とされ、地球上の昆虫の個体数の約１％を占めるとされていました
Previous estimates put the number of ants on Earth at 1,000 trillion to 10 trillion, accounting for about 1% of the insect population on Earth.
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