So the study is
comparing young trees with the old trees that were best - adapted to survive — and may have been particularly fast growing.
Not exact matches
And that could be a problem for the
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Tree.
Redmond's team
compared pinyon seedlings and
young trees from various areas to see how more sunlight affected their microsites and found an interesting result.
In this regard, though, I don't know how one would
compare old
trees with
young plants of a different nature, except to say that even a
young plant must grow to more than negligible size before it can absorb much CO2.
To do a like - with - like comparison,
trees that have reached maturity today would need to be
compared with only the
younger trees that are most likely to still be standing a hundred years into the future, probably the fastest growing ones in the best places.
It shows what I have noted previously and that is that the ending hockey stick appearance changes with other time period showing increasing
tree ring responses
compared to the modern times as the
younger tree rings used in the series are eliminated.