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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15116 · alive · Condition: fair · LC · Least Concern · Elevation: 30.5 m

Photos

tree phototree phototree phototree phototree photo

3D point cloud drag to rotate · scroll to zoom

trunk branches leaf

Dimensions

17.99 mHeight
3.4 mTrunk height
82 cmTrunk diameter (DBH)
12.07 mCanopy height
12.45 mCanopy width
39.16 mCanopy circumference
117.19 m²Crown projection area
977.89 m³Crown volume
1Stems

Structure & risk

22.15Slenderness (H/D)
4.29Safety factor (default wind)
2.65 °Leaning angle
7.92 °Trunk lean angle
0Competition index
9.75 mTree protection zone
14.62 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
21.91 %Foliage transparency
0 %Dieback
80.28 %Crown density
100 %Crown light exposure ratio
67.11 %Live crown ratio
1061.81 m²Leaf area
9.07Leaf area index (LAI)
1.09Leaf area / crown vol.

Ecosystem services

1509.82 kgCarbon storage
101.85 kgCarbon sequestration / yr
269.13 kgOxygen production / yr
0.34 m³Avoided runoff
5.87 m³Water intercepted
6.9 m³Transpiration
5.83 m³Evaporation
35.96 m³Potential evapotranspiration
13.02 gCO removed / yr
51.46 gNO₂ removed / yr
111.02 gSO₂ removed / yr
32.38 gPM2.5 removed / yr
620.17 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

22763.14CAVAT value
37908.01Koch value
3797.47RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
140G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Jalan Tunku Abdul Rahman G u fextracted_street
7001G u fextracted_taxon i d
5.92Crown base height
17.99Live 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 Tunku Abdul Rahman · 2.924132, 101.685965 · Elevation 30.5 m