this post was submitted on 13 Aug 2024
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[–] girlfreddy@lemmy.ca 4 points 2 months ago (2 children)

Tbf FaceDeer is kind of right in that there are other forms of vegetation that work better, but they are terrain/location specific, ie: prairie grasses, the kind the buffalo lived off of, have root systems that can be 8-10 ft deep and do in fact live forever.

Where FaceDeer is incorrect is that trees themselves are not carbon sinks. Their root systems are what hold the carbon.

[–] FaceDeer@fedia.io 3 points 2 months ago (1 children)

Roots rot too. Otherwise the ground underneath forests would have hundreds of meters of accumulated root mass built up over the millennia.

[–] girlfreddy@lemmy.ca 1 points 2 months ago (1 children)

Yes they do. But they stay underground, and if the soil remains undisturbed the carbon stays trapped underground.

[–] FaceDeer@fedia.io 2 points 2 months ago

Decay turns carbon into carbon dioxide, a gas. Unless it's injected into deep geological structures it doesn't stay underground.

[–] silence7 3 points 2 months ago (1 children)

Depending on tree species, most of the carbon can be above-ground. This is really common in the tropics

[–] girlfreddy@lemmy.ca 2 points 2 months ago

You're right. I was only considering the boreal forest and left out southern stock. My bad.