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another fallen oak


DrewB
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and Some would say cyano-bacterium

I wonder how long it took for the cyano-bacterium to jump into bed with some fungi to make lichens..? Probably only a few billion years:lol:

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Have any companies been doing cabling work within the last few years near the oak. Because after watching one company cut through every tree root a metre deep on one side of some street trees I am surprised there are not many more falling and dying.

 

Got called out to a job earlier this year because of this.The tree fell into the front garden,expect there will be a few more after these winds:thumbup1:

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yes, :biggrin: we'll start at the beginning if you like - Nature is thought to have first occurred about 4 billion years ago :001_smile:

 

You're correct on that. It started in the Devonium period with cyano-bacteria (photosynthesis) and microfungi (hyphae/mycelia taking up nutrients from the soil) living as one organism in a state of symbiosis, from which the fungus profited more then the bacteria, initially separately coming from the sea and colonizing land.

From these primal land organisms the lichens evolved, with giants such as Prototaxites, an 8 metres high lichen with a diameter of 1.25 metre resembling a branched Mexican cactus, as one of the most impressive representatives.

In the Devonium Museum in Waxweiler (Germany) you can find fossilized relics of a Prototaxites species from the Eifel region.

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