Joe:

Yes, there is some white birch even in old hemlock forests. Every so 
often a white birch captures a gap where several trees blow down--birch 
travel a long way on the wind and can access even the interior of large 
old growth tracts of forest.

In the Boundary Waters of northen MN, white birch usually becomes more 
abundant in older stands, especially after the age of 200. It grow there 
in large gaps from multiple tree deaths, and the roots are restricted to 
large pieces of coarse woody debris (basically pine trees that died 100 
years prior), where they can get water during droughts on these sites 
which are very shallow soil on top of granite.

Lee

Joseph Zorzin wrote:
> hmmm..... interesting, I wouldn't normally think of any white birch in 
> an old growth forest as it usually doesn't live that long- but I 
> suppose it's possible if an old growth stand gets opened up with storm 
> damage, some white birch could seed in- but I wonder how old it can 
> get? Maybe the idea that white birch can't live long compared to many 
> of our other species is just another of the */ many /* falsehoods in 
> the forestry world?
>  
> That particular old white birch is the strangest one I've ever seen!
> Joe
>  
>
>     ----- Original Message -----
>     *From:* Bob <mailto:[email protected]>
>     *To:* ENTS <mailto:[email protected]>
>     *Sent:* Sunday, October 25, 2009 12:22 PM
>     *Subject:* [ENTS] More Catskills
>
>     ENTS
>
>          The old growth yellow and white birch on Plateau are simply 
>     extraordinary. Can't get enough.
>
>     Bob
>
>
>      
>
>
>
>
>     Sent from my iPhone
>
>
> >

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