This page contains specific information about giant sequoia (Sequoiadendron giganteum)
'172', which can be found on the landgoed Sandwijck
in De Bilt
The girth of the tree is 4.90 m measured at a height of 1.30 m (2006, Margriet Janssen). Its height is exactly 33.40 m (Feb 1, 2011, laser with Sine method (e.g. Nikon Forestry 550 laser rangefinder)
, Joris Hellevoort
The girth was measured more than once:
|Year||Girth@1.3 m||Measurement||Growth rate|
|2000||4.64 m||D. C. Hasselman||-|
|2006||4.90 m||Margriet Janssen||4 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.
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The photos are provided by Margriet Janssen.
Show all images (6 in total)...