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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 31086 · alive · Condition: fair · LC · Least Concern · Elevation: 43.9 m

Photos

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trunk branches leaf

Dimensions

22.76 mHeight
5.2 mTrunk height
74 cmTrunk diameter (DBH)
17 mCanopy height
10.07 mCanopy width
31.89 mCanopy circumference
69.92 m²Crown projection area
816.49 m³Crown volume
1Stems

Structure & risk

30.8Slenderness (H/D)
1.84Safety factor (default wind)
6.71 °Leaning angle
6.16 °Trunk lean angle
38.36Competition index
8.87 mTree protection zone
13.31 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
29.19 %Foliage transparency
0.25 %Dieback
73.42 %Crown density
61.65 %Crown light exposure ratio
74.67 %Live crown ratio
859.33 m²Leaf area
12.3Leaf area index (LAI)
1.06Leaf area / crown vol.

Ecosystem services

1588.65 kgCarbon storage
65.4 kgCarbon sequestration / yr
172.81 kgOxygen production / yr
0.22 m³Avoided runoff
3.83 m³Water intercepted
4.51 m³Transpiration
3.81 m³Evaporation
23.5 m³Potential evapotranspiration
8.51 gCO removed / yr
33.62 gNO₂ removed / yr
72.54 gSO₂ removed / yr
21.16 gPM2.5 removed / yr
405.21 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

18970.89CAVAT value
32965.87Koch value
3466.74RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
90G u fextracted_critical wind speed
2025-06-17G u fextracted_inv date
Jalan P11 A2/2 G u fextracted_street
7001G u fextracted_taxon i d
5.77Crown base height
22.76Live 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 A2/2 · 2.956234, 101.681325 · Elevation 43.9 m