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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 34278 · alive · Condition: fair · LC · Least Concern · Elevation: 48.5 m

Photos

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trunk branches leaf

Dimensions

15.4 mHeight
3.76 mTrunk height
51 cmTrunk diameter (DBH)
13.8 mCanopy height
12.78 mCanopy width
40.16 mCanopy circumference
127.87 m²Crown projection area
1071.69 m³Crown volume
1Stems

Structure & risk

30.22Slenderness (H/D)
1.21Safety factor (default wind)
5.4 °Leaning angle
2.01 °Trunk lean angle
17.03Competition index
6.12 mTree protection zone
9.18 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
28.19 %Foliage transparency
0 %Dieback
74.4 %Crown density
82.98 %Crown light exposure ratio
89.63 %Live crown ratio
948.65 m²Leaf area
7.42Leaf area index (LAI)
0.89Leaf area / crown vol.

Ecosystem services

553.51 kgCarbon storage
57.31 kgCarbon sequestration / yr
151.44 kgOxygen production / yr
0.35 m³Avoided runoff
6.18 m³Water intercepted
7.27 m³Transpiration
6.14 m³Evaporation
37.87 m³Potential evapotranspiration
13.71 gCO removed / yr
54.19 gNO₂ removed / yr
116.92 gSO₂ removed / yr
34.1 gPM2.5 removed / yr
653.1 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

9024.32CAVAT value
22663.1Koch value
2391.03RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
75G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11 D/2 G u fextracted_street
7001G u fextracted_taxon i d
1.6Crown base height
15.4Live 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 D/2 · 2.962846, 101.672032 · Elevation 48.5 m