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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 38976 · alive · Condition: fair · LC · Least Concern · Elevation: 22.5 m

Photos

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trunk branches leaf

Dimensions

23.86 mHeight
3.05 mTrunk height
80 cmTrunk diameter (DBH)
20.09 mCanopy height
10.98 mCanopy width
34.58 mCanopy circumference
89.69 m²Crown projection area
1156.87 m³Crown volume
3Stems

Structure & risk

29.9Slenderness (H/D)
1.87Safety factor (default wind)
7.85 °Leaning angle
21.16 °Trunk lean angle
45.15Competition index
9.58 mTree protection zone
14.37 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
34.32 %Foliage transparency
0.01 %Dieback
71.99 %Crown density
54.86 %Crown light exposure ratio
84.22 %Live crown ratio
1005.27 m²Leaf area
11.21Leaf area index (LAI)
0.87Leaf area / crown vol.

Ecosystem services

1897.09 kgCarbon storage
72.18 kgCarbon sequestration / yr
190.74 kgOxygen production / yr
0.26 m³Avoided runoff
4.56 m³Water intercepted
5.37 m³Transpiration
4.53 m³Evaporation
27.96 m³Potential evapotranspiration
10.13 gCO removed / yr
40.01 gNO₂ removed / yr
86.32 gSO₂ removed / yr
25.18 gPM2.5 removed / yr
482.18 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

21940CAVAT value
33722.44Koch value
3728.17RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
90G u fextracted_critical wind speed
2025-06-19G u fextracted_inv date
Jalan P8 E2 G u fextracted_street
7001G u fextracted_taxon i d
4.66Crown base height
24.75Live height

Clearances

ClearRoad clearance

Not provided Catalogued metrics with no value for this tree — measured, derived or analysed alike. Listed rather than hidden so absence is visible instead of inferred.

Girth — the survey did not record which measurements were availableGrowth formCrown light exposure — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P8 E2 · 2.931081, 101.682271 · Elevation 22.5 m