Transcript
5I-LtTCNviE • The Underground Network That Helps Forests Survive | NOVA | PBS
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Kind: captions Language: en [Music] Wow. Magnificent. The king of the forest. The iconic mushroom, the fly aguric. If you peel the cup of the fly agaric, and if you dry it, you smoke it or you eat it and then it's full of psychedelic compounds. I should confess that I never dare to taste it. I shoot before I die. I prefer bugandi wine or even better shabi. What you see there is only the tip of the iceberg only maybe five 10% of the mass of the mushroom. The the the real mushroom the most active part of the mushroom is underground making long i long filaments of cells called the mycelium. It's like a It's like a web, you know. It's like a web uh growing beneath our feet and and connecting to the trees. A single handful of soil can contain miles of fungal threads that form an intricate network. Fungi are not plants. They don't use photosynthesis to grow, but they do need carbon. So fungi like this have evolved to connect to tree roots and take carbon in the form of sugars from the tree. In return, the fungi give minerals and water to the tree. The tree will provide sugars to the network and this network will use the sugars to fruits and make this beautiful mushroom. Inside the gills of the mushroom, millions of tiny spores form. These reproductive seeds are carried away by wind, rain, or insects to begin new fungal networks elsewhere in the forest. I can feel the mycelium beneath our teeth and are just crawling full of life and and trying to emerge. Wow. More than 80% of all plant species form partnerships with the underground mcelium. By providing nutrients and water, fungi support the growth of the forest. [Music]