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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 34054 · alive · Condition: fair · LC · Least Concern · Elevation: 52.8 m

Photos

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trunk branches leaf

Dimensions

17.64 mHeight
4.04 mTrunk height
70 cmTrunk diameter (DBH)
17.6 mCanopy height
13.47 mCanopy width
42.77 mCanopy circumference
123.95 m²Crown projection area
1514.99 m³Crown volume
3Stems

Structure & risk

25.38Slenderness (H/D)
1.45Safety factor (default wind)
4.76 °Leaning angle
12.4 °Trunk lean angle
21.44Competition index
8.35 mTree protection zone
12.52 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
23.73 %Foliage transparency
0 %Dieback
72.87 %Crown density
78.57 %Crown light exposure ratio
99.8 %Live crown ratio
1251.76 m²Leaf area
10.1Leaf area index (LAI)
0.83Leaf area / crown vol.

Ecosystem services

1106.24 kgCarbon storage
52.45 kgCarbon sequestration / yr
138.6 kgOxygen production / yr
0.39 m³Avoided runoff
6.86 m³Water intercepted
8.07 m³Transpiration
6.81 m³Evaporation
42.04 m³Potential evapotranspiration
15.22 gCO removed / yr
60.16 gNO₂ removed / yr
129.79 gSO₂ removed / yr
37.86 gPM2.5 removed / yr
725.04 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

13473.98CAVAT value
28349.06Koch value
2921.64RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
80G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11 C/8 G u fextracted_street
7001G u fextracted_taxon i d
0.04Crown base height
17.64Live 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 P11 C/8 · 2.968761, 101.674687 · Elevation 52.8 m