The guy at the center who knows more stuff than I do (I want to say "my supervisor" but we're both volunteers) and I have a theory that digging soil from around healthy mature trees and planting saplings of the same species in a mix containing this healthy soil could help them survive.
So I had gone a ways off the trail in the forest with a trowel and bucket to collect dirt for my saplings. Filled with mature trees, this area was relatively clear of undergrowth, both because of the shade and the thick mulch of fallen leaves that covered the ground.
If you've never walked on a forest floor before, I will tell you what it is like. The ground doesn't feel like the ground in a backyard; it is very light and spongy, closer to a firm foam mattress than a dirt path. It can't be described as hard at all, but it is a bit resistant to a trowel, because it is full of fine, fibrous stuff that can't easily be picked out visually from the rest of the dirt.
I took photos because I knew I would want to show others:
This thick layer of leaves is dry on top, but underneath it is constantly moist. The deeper in the leaf layer, the more decomposed the leaves are, until they are entirely crumbled and it is just soft dark loam.
In the second photo, you see where I've mostly scooped the leaf layer off, showing what the dirt looks like. Forest dirt is so different than suburban backyard dirt that it's ridiculous to call them the same noun.
For one thing, it's absolutely full of thin, delicate roots. It is hard to picture how roots prevent erosion and absorb floodwater until you feel this for yourself—the root system in a forest is so dense and fine it's absorbent, holding water like your hair holds water and stays "wet" after you've showered.
But it's not tree roots alone. Do you see that white fuzz? That's mycelium.
Some of the fungus is probably just helping to decompose the leaves, but forests are also permeated by fungal mycelia that are literally melded to the trees' roots, not only helping the trees take up nutrients but interconnecting them and allowing them to communicate.
A lot of the soft, spongy, finely "fibrous" quality of the forest soil is mycelium. The proof of this, I could see above ground: there were huge mushrooms everywhere. Pink ones, brown ones, different shapes and sizes, I even saw a black mushroom.
Good, healthy soil doesn't just contain organic matter, it is alive. And the difference is so plain to the human senses. Take, for example, the smell: the smell I associate with "dirt," the odor of a newly tilled garden bed in our backyard, has strongly mineral notes, shared with clay in a pottery class or the dust of gravel. This dirt smells different; it smells like a flourishing forest.
I had the theoretical knowledge that the forest was an enormous superorganism. But the process of experiencing and learning about nature gives you these weird moments that feel almost like spiritual revelations, where you understand something of the interconnection of all the things happening around you, the endless Happening of an ecosystem. And I think people need to experience this, how important and miraculous life on Earth really is.