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Author Topic: What side of a tree trunk does moss grow?  (Read 6459 times)

Jim

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What side of a tree trunk does moss grow?
« on: 05/05/2009 16:30:03 »
Jim asked the Naked Scientists:
   
Why does moss grow on the north side of a tree in the northern hemisphere and on the south side, south of the equator?

Thanks, Jim from Mathews, Virginia

What do you think?


 

Offline Don_1

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What side of a tree trunk does moss grow?
« Reply #1 on: 05/05/2009 17:02:09 »
Moss grows on the most shaded side of the trunk.
 

Offline Bored chemist

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What side of a tree trunk does moss grow?
« Reply #2 on: 05/05/2009 19:44:40 »
The outside.
 

Offline Chemistry4me

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What side of a tree trunk does moss grow?
« Reply #3 on: 06/05/2009 06:28:48 »
Why does moss grow on the north side of a tree in the northern hemisphere and on the south side, south of the equator?
Is this a proven scientific fact?
 

Offline Don_1

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What side of a tree trunk does moss grow?
« Reply #4 on: 06/05/2009 08:21:23 »
Why does moss grow on the north side of a tree in the northern hemisphere and on the south side, south of the equator?
Is this a proven scientific fact?

This may not be the case in very dense woodland, but in more open woodland moss will grow best on the most shaded side of a tree because it is less likely to dry out too quickly. Moss prefers damp shaded areas, the sunny side of a tree trunk is not the best place for it.

There may be moss all around a trunk in the more dense wooded areas, but there will usually still be a greater and healthier growth on the north side (in the northern hemisphere) although this may not be instantly noticeable.

I have no idea if there has been any scientific study to uphold this, I think it has just always been accepted as the case.
 

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What side of a tree trunk does moss grow?
« Reply #4 on: 06/05/2009 08:21:23 »

 

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