Mapping and Protecting the World's Vital Fungal Network

This year, for the first time, scientists will set out on a journey to map out one of the final frontiers of uncharted knowledge on the planet: the fungal networks that basically make up our planet's circulatory system.

And the fungi's whole corpus of knowledge is hidden deep beneath our feet. In the soil, fungi utilize carbon to form "nutrient highways" that connect plant roots and exchange carbon for nutrients. And, despite the fact that trillions of miles of underground fungal networks are believed to exist across the earth, we know very little about them. This is why the Society for the Protection of Underground Networks (SPUN) is launching a new initiative that will collect 10,000 samples from hotspots discovered using AI all across the world. The goal of the mission is to safeguard these networks from harm while simultaneously enhancing their ability to absorb and store carbon dioxide since they are essential for soil biodiversity and fertility.

To put things in perspective, you should first know that the entire length of the fungal network in the top 3.9 inches (10 cm) of soil is more than approximately 280 quadrillion miles (450 quadrillion km), which is almost half the span of our galaxy, according to BBC News. And in what is thought to be the first broad effort to map a subterranean ecosystem in this way, the first samples will be gathered in Patagonia for roughly 18 months next year. Then, using machine learning, a map of the function of the fungal networks and their role as carbon sinks (anything that collects more carbon dioxide from the atmosphere than its releases) will be created. This is incredibly important since, according to current estimates, the amount of carbon dioxide collected from the atmosphere and stored in the soil by fungal networks is at roughly 5.5 billion tons. Moreover, that figure could be more than three times higher, BBC News reports. The maps will next be used by scientists to identify the most vulnerable ecosystems, as these fungal networks are threatened by agricultural growth, the use of fertilizers and pesticides, deforestation, and urbanization, per The Guardian. Then, local conservation organizations will take the lead in creating "conservation corridors" for the underground ecosystems.

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