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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 38289 · alive · Condition: fair · LC · Least Concern · Elevation: 37.6 m

Photos

3D point cloud drag to rotate · scroll to zoom

trunk branches leaf

Dimensions

13.42 mHeight
2.31 mTrunk height
47 cmTrunk diameter (DBH)
5.22 mCanopy height
7.52 mCanopy width
23.67 mCanopy circumference
44.99 m²Crown projection area
162.35 m³Crown volume
1Stems

Structure & risk

28.86Slenderness (H/D)
3.04Safety factor (default wind)
2.42 °Leaning angle
4.02 °Trunk lean angle
0Competition index
5.58 mTree protection zone
8.37 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
17.03 %Foliage transparency
13.1 %Dieback
80.43 %Crown density
100 %Crown light exposure ratio
38.85 %Live crown ratio
296.7 m²Leaf area
6.6Leaf area index (LAI)
1.83Leaf area / crown vol.

Ecosystem services

432.75 kgCarbon storage
51.16 kgCarbon sequestration / yr
135.19 kgOxygen production / yr
0.13 m³Avoided runoff
2.14 m³Water intercepted
2.52 m³Transpiration
2.13 m³Evaporation
13.11 m³Potential evapotranspiration
4.75 gCO removed / yr
18.76 gNO₂ removed / yr
40.46 gSO₂ removed / yr
11.8 gPM2.5 removed / yr
226 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

7456.85CAVAT value
20318.96Koch value
2173.48RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
115G u fextracted_critical wind speed
2025-06-19G u fextracted_inv date
Jalan Kerai P8/8 G u fextracted_street
7001G u fextracted_taxon i d
8.21Crown base height
13.42Live 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 Kerai P8/8 · 2.934898, 101.684661 · Elevation 37.6 m