UKTC Archive

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

Subject: Re: How long does an ancient woodland take to develop?
From: Paul Barton
Date: Feb 25 2021 21:54:08
Ah, so that’s why the contractors for HS2 are scraping up piles of soil to 
relocate the ancient woodland to a new home.

So simple!

Kind regards,

Paul Barton
MSc, BSc (Hons), TechCert (ArborA), MArborA
Registered Consultant of the Arboricultural Association

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On 9 Feb 2021, at 14:33, Jim Quaife <jq@xxxxxxxxxxxxxxxxx.co.uk> wrote:

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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