radial tree stem growth
dstaples at livingston.net
Mon Oct 28 01:41:40 EST 1996
> I am recognizing growth ring width differences on the side of a
> > tree that has the root system extending into a lake vs. the other side where
> > thre root system extends upslope above the water table. Please help if you
> > have any ideas.
> Allan, I have observed this around my pond, particularly in Quercus
> StephenYep, give em water and they grow. The difference is in the root
developement to take advantage of the water source, the continual
photosynthesis through stress ful times when the up slope side may have
less available water, but root depth should compensate for some of that.
You can see the same radial differentiation under large limbs on older
trees, look to the tops and you may see that the pond side of the tree
had a larger limb structure out over the water, where there is less
competition for sun light.
Good observation, guys.
Ruminations of an old Forester.
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