UKTC Archive

RE: How long does an ancient woodland take to develop?

Subject: RE: How long does an ancient woodland take to develop?
From: oldoaktree@xxxxxxxxx.net
Date: Feb 09 2021 14:59:45
Hi Jim,

Yes I remember you talking about that. They did the right thing to give up if 
they wanted to be back home for tea. In 2150.  

The woodland I have been talking about has been, in part, degraded by conifer 
plantations but the FC, bless erm, have been putting it right by replacing 
with broadleaf natives as of late.

Like you say, a woodland is only part trees, and I would gamble that under 
the ground is more important than over it, as it is often seen when 
plantations on ancient woodlands are often overtaken by the natural flora 
because the soil and its massive array of co-conspirators can’t but help to 
restore the 'ecological cathedral'. Good on 'erm.

Go easy

Dave



-----Original Message-----
From: uktc-request@xxxxxx.tree-care.info <uktc-request@xxxxxx.tree-care.info> 
On Behalf Of Jim Quaife
Sent: 09 February 2021 14:33
To: UK Tree Care <uktc@xxxxxx.tree-care.info>
Subject: RE: How long does an ancient woodland take to develop?

I'm sure that I've posted this before but in the 70s the FC excavated a cubic 
metre (literally a cube) from a sitka plantation to count the number of 
organisms present, microscopic and otherwise.  They gave up at a million.
AW is as much to do with the soil as trees and one cannot plant an AW, but 
one can plant a woodland which has the potential to become one.
Jim

-----Original Message-----
From: uktc-request@xxxxxx.tree-care.info 
[mailto:uktc-request@xxxxxx.tree-care.info] On Behalf Of 
oldoaktree@xxxxxxxxx.net
Sent: 09 February 2021 13:16
To: UK Tree Care
Subject: RE: How long does an ancient woodland take to develop?

Thanks for all of your replies, illuminating and thought provoking.

I'm not in a position to say much on here, but as an Arb it is so sad to see 
such wanton ignorance about these, to use a Chris Packham phrase, 'Ecological 
Cathedrals'. 

I'm just reading Bill Bryson's A Short History of Everything which I 
thoroughly recommend and the extent of what we don’t know is a real take home 
factor from this very accessible book. Some of it is very funny too which 
always goes down well with me!

Indulge me a quote on fungi "gather together all the fungi in a typical 
hectare of meadowland and you will have 2800 kilogrammes of the stuff. These 
are not marginal organisms. - Altogether, about 70 thousand species have been 
identified but it is thought the total number could be as high as 1.8 
million".

That book was wrote in 2003 so I wouldn't be surprised if those figures are a 
lot higher now.

Cheers

Dave




-----Original Message-----
From: uktc-request@xxxxxx.tree-care.info <uktc-request@xxxxxx.tree-care.info> 
On Behalf Of Jon Heuch
Sent: 09 February 2021 12:34
To: UK Tree Care <uktc@xxxxxx.tree-care.info>
Subject: Re: How long does an ancient woodland take to develop?

Dave

 

It's quite a challenge since it is a categorisation (I was told off once by 
describing ASNW as a designation) so it cannot be recreated:

 

i)                    About 400 years

ii)                   You will need a time machine to enter the plot on some
ancient maps to make sure that each subsequent map shows the area to be wooded

 

However, If you are asking how long will it take for a bare patch of land to 
develop into woodland with some good ecological features of course the best 
model is the Rothamsted fields that were left. Wildnerness was the word 
adopted then; now we might used the term re-wilding. They are very well 
documented http://www.era.rothamsted.ac.uk/index.php?area=home
<http://www.era.rothamsted.ac.uk/index.php?area=home&page=index&dataset=8>
&page=index&dataset=8. They have been around for 140 years so you may have a 
lot of reading to do to work out what sort of time frame you want to 
consider. 

 

Jon 

 




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To unsubscribe send mailto:uktc-unsubscribe@xxxxxx.tree-care.info

The UKTC forum is supported by Bosky Trees arboricultural consultancy and
Stockholm Tree Pits
https://www.stockholmtreepits.co.uk