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Black pine at Schovenhorst Country Estate

This page contains specific information about black pine (Pinus nigra), var. corsicana '3318', which can be found at Schovenhorst Country Estate in Putten.

Girth growth rate

The girth was measured more than once:
YearGirth@1.3 mMeasurementGirth growth rate
20102.42 mLeo Goudzwaard-
20132.43 mLeo Goudzwaard0.3 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
2010-12-0933.40 m Leo GoudzwaardLaser with Sine method (e.g. Nikon Forestry 550 laser rangefinder)
2013-04-0834.20 mLeo GoudzwaardLaser 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 1920 ± 10, which makes it around 94 ± 10 years old (Leo Goudzwaard, Oct 1, 2011).

The tree is a specimen of the variety Pinus nigra var. corsicana.

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Photos

The photos are provided by Leo Goudzwaard.

Schovenhorst Country Estate, picture by Leo Goudzwaard

Schovenhorst Country Estate, picture by Leo Goudzwaard

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