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Pedunculate oak on the estate Rhederoord

This page contains specific information about pedunculate oak (Quercus robur) '4735', which can be found on the estate Rhederoord in De Steeg (municipality of Rheden).

Girth growth rate

The girth was measured more than once:
YearGirth@1.3 mGirth@1.5 mMeasurementGirth growth rate
19994.58 m?Jeroen Philippona-
20054.79 m4.71 mJeroen Philippona4 cm/year
20114.96 m4.88 mJeroen Philippona3 cm/year
20155.05 m?Paul Robert van der Zouw2 cm/year

The growth rate shown in the table shows the yearly average increase in girth since the last measurement. This value only gives an indication of the growth rate, since every measurement could be done at slightly different heights and during different periods of the year. Its height is exactly 23.60 m (Sep 19, 2011, laser with Sine method (e.g. Nikon Forestry 550 laser rangefinder), Jeroen Philippona). This tree was planted in 1868, which makes it exactly 147 years old (paulengelen, Oct 1, 2011).

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The photos are provided by paulengelen.

Estate Rhederoord, picture by paulengelen

Estate Rhederoord, picture by paulengelen

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