There is one giant sequoia (Sequoiadendron giganteum)
along the Daalhuizerweg in Velp (municipality of Rheden)
Girth growth rate
The girth was measured more than once:
|Year||Girth@1.3 m||Measurement||Girth growth rate|
|2005||5.80 m||Jeroen Philippona||2 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.
The height was measured more than once:
|1993||~25 m ||?||Measurement method unknown|
|2005||~30 m||Jeroen Philippona||Measurement method unknown|
|2010-10-14||30 m||Jeroen Philippona||Laser 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 1885 ± 10, which makes it around 130 ± 10 years old (?, Oct 1, 2011).
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Giant sequoia (Sequoiadendron giganteum) "192"
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