RE:
Cook Forest update |
John
Eichholz |
Mar
12, 2004 07:03 PST |
Ed, Dale:
Dale's data is so deep it can already provide for many kinds of
analysis. I recently posted about the distribution of heights of
Black
Cherry in the vicinity of the state co-champ in MTSF. A similar
analysis of Dale's BC data also shows a bell-type distribution,
with a
median and mode of 120'
Here is the data, and the rounding down to 5's:
black cherry 87.02 85
black cherry 95.73 95
black cherry 104.5 100
black cherry 104.77 100
black cherry 105.31 105
black cherry 109.6 105
black cherry 110.5 110
black cherry 111.14 110
black cherry 111.47 110
black cherry 113.3 110
black cherry 113.91 110
black cherry 114.1 110
black cherry 116.4 115
black cherry 117.23 115
black cherry 117.46 115
black cherry 118.4 115
black cherry 119.21 115
black cherry 119.8 115
black cherry 119.87 115
black cherry 120.1 120
black cherry 120.1 120
black cherry 120.5 120
black cherry 120.7 120
black cherry 120.9 120
black cherry 122.55 120
black cherry 123.1 120
black cherry 123.7 120
black cherry 124 120
black cherry 124.62 120
black cherry 124.69 120
black cherry 126.7 125
black cherry 127.8 125
black cherry 128.8 125
black cherry 128.86 125
black cherry 128.87 125
black cherry 129.8 125
black cherry 131.5 130
black cherry 133.74 130
black cherry 136.24 135
black cherry 136.39 135
black cherry 137 135
black cherry 137.49 135
This data, unlike the MTSF data, is not from a single stand, but
an
aggregate at the site level. Also, it does not purport to cover
all BC
at Cook. Nevertheless, a similar distribution pattern shows up.
Dale, I would guess "Tony's BC stand" is a contiguous
area. Are any
other BC stands at Cook in a tight geographic cluster?
I think foresters as well as researchers would be interested in
any
eventual conclusion we could draw between the top height and the
median
height for a species on a site.
John
Ed Frank wrote:
|
ENTS,
All joking aside, I am interested in the data set Dale
is gathering on
the large pines at Cook Forest. It will be interesting
to see how the
size distributions fall out and is certainly a
worthwhile project. Dale
has provided us with a much larger data set for the
state of
Pennsylvania than just a list of the big trees at
various localities by
including a list of many significant trees besides just
the largest and
much more analysis could be done with that kind of
detailed information
(It is posted on the website)
The focus of the Eastern Native Tree Society should not
be just on one
aspect of the forest. |
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RE:
Cook Forest update |
Dale
J. Luthringer |
Mar
12, 2004 08:08 PST |
John,
That stand of black cherry you mention is actually part of a
larger
stand. I just broke it into named "sections" that I
could remember for
future documentation. That section of black cherry you mention
lays on
a northeast facining slope that stretches about 1.5 to 2 miles.
The
tallest are usually towards the base of this slope, or on small
benches
throughout the slope.
The black cherry in this area usually shares canopy dominance
with E.
hemlock, Am. beech, and some E. white pine. I'd suggest many of
the
largest black cherry are old specimens, >175-250 years old.
There is
one in particular that might go a bit older, but is only around
~120ft
in height. We recently found a whopper that went to ~11ft x
140ft even.
140ft class black cherries are very rare. When you get into the
upper
130's, you're starting to get close to the known upper height
limit of
black cherry.
Dale
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