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7:13:22 
2023-04-16 
802
Scientists monitor a "dangerous phenomenon" that threatens soil and climate
In a new study, published in Trends in Microbiology, researchers have identified a dangerous phenomenon caused by dehydration. They cause more than normal amounts of carbon dioxide to be released from the soil, which in turn affects climate change.
"The main findings are that soil microbes, such as bacteria and fungi, are highly adaptable, allowing them to tolerate drought," said lead author of the study, microbial ecologist Dr. Stephen Allison, in an interview.
He added, "These microbes consume carbon in the soil and release it back into the atmosphere as carbon dioxide, which contributes to climate change."
"Usually, when microbes consume the carbon in the soil, new carbon is added as plants grow, but drought may slow the growth of plants more than microbes, which disrupts the balance of the carbon cycle in the soil."
"The loss of carbon increases the risk of soil erosion and reduces its quality, as low-carbon soils contain less water and nutrients," he added.
He explained, "Over many years of drought, the soil may deteriorate and lose its ability to produce crops. A severe drought may lead to transforming the fertile soil in some parts of the earth to become more desert-like."
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