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Giant sequoia close to Bridge 113 in Llangattock

There is one giant sequoia (Sequoiadendron giganteum) close to Bridge 113 in Llangattock (county of Powys).

Girth growth rate

The girth was measured more than once:
YearGirth@0 mGirth@1.3 mGirth@1.5 mGirth@2 mMeasurementGirth growth rate
200721.56 m?10.60 m9.16 mJeroen Philippona-
2009?11.70 m10.70 m?Jeroen Philippona5 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
2007-04-20~39.50 m Jeroen PhilipponaClinometer or tangent style (laser) hypsometer (e.g. Forestor Vertex)
2009-07-16~39.50 mJeroen PhilipponaClinometer or tangent style (laser) hypsometer (e.g. Forestor Vertex)

Each measurement can be done with varying accuracy.

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Giant sequoia (Sequoiadendron giganteum) "1719"

Bridge 113, picture by Tim B, 2007-04-20

Bridge 113, picture by Tim B, 2007-04-20

View of the giant sequoia with the village of Crickhowell visible in the distance.

Bridge 113, picture by Tim B, 2007-04-20

Bridge 113, picture by Tim B, 2007-04-20

Bridge 113, picture by Tim B, 2007-04-20

The large base of the giant sequoia with the typical reddish bark.

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Monumental trees in Powys
Monumental trees in Wales
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