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Hohenadl and Prytz.




Greetings again to readers of this excellent list,

I am writing a review paper with Dr. Geoff Wood on the measurement
of volume of single sample trees.  I have the following question :
I have found a reference to a technique called "Prytz's Method" in
Chaturvedi (1926), which is attributed to a Professor Prytz in 1888.

It seems very similar in the way it treats the tree to Hohenadl's method
(see, e.g. Loetsch, Zohrer and Haller) which was presented in 1936. Prytz's
method divides the stem into two sections at breast height, and the upper
section is then divided into 10 sections of equal length.  Hohenadl divides
the whole stem into either 5 or 10 sections of equal length. I consider the
driving concepts of each similar enough to wonder if
 the first inspired the second.

Regrettably, my German is not good enough to interpret Prodan (1965),
and I lack access to the original texts, so I was wondering 20
i)  if anyone knows whether Hohenadl used Prytz's basic idea, or
    whether he developed the system independently?
ii) if anyone has access to repints Hohenadl's original article?

References :

Chaturvedi, M.D. (1926) "Measurements of the Cubical Contents of
 Forest Crops", Oxford University Memoir #4

Hohenadl, Die Bestandesmessung. Forstwiss. Centralbl.,58:51-61,
69-86a,114-127

Loetsch, F., Zöhrer, F., Haller, K.E. (1973) "Forest Inventory"
 Vol 2, BLV Verlagsgesellschaft mbH, Munchen

Many thanks again!


Andrew.

Andrew Robinson B.Sc(Hons) "All the troubles of man are caused  by one thing,
Lecturer, Forestry,                         which is their inability to
Australian National University            stay quietly in a room"
0200 Acton,                                           - Blaise Pascal
A.C.T. Australia.



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