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Pedunculate oak in the park of the Hof te Dieren

This page contains specific information about pedunculate oak (Quercus robur) '3325', which can be found in the park of the Hof te Dieren in Dieren (municipality of Rheden).

Girth growth rate

The girth was measured more than once:
YearGirth@1.3 mMeasurementGirth growth rate
20093.22 mJeroen Philippona-
20113.28 mL. Goudzwaard & J. Philippona3 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.

Height

The height was measured more than once:
YearHeightMeasurementMeasurement method
2009-10-1441.20 m Jeroen PhilipponaLaser with Sine method (e.g. Nikon Forestry 550 laser rangefinder)
2011-11-0741.80 mL. Goudzwaard & J. PhilipponaLaser with Sine method (e.g. Nikon Forestry 550 laser rangefinder)

Each measurement can be done with varying accuracy.This tree was planted around the year 1820 ± 10, which makes it around 194 ± 10 years old (Jeroen Philippona, Oct 1, 2011).

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Photos

The photos are provided by Jeroen Philippona.

Hof te Dieren, picture by Jeroen Philippona

Hof te Dieren, picture by Jeroen Philippona

Hof te Dieren, picture by Jeroen Philippona

At this photo the silhouet of the tallest oak as well as one of the 10 tallest beeches of the Netherlands can be seen. The oak (41.8 m tall) just right of the house with the pointed crown, the beech (42.4 m) is the tallest tree at the right side of the photo.
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