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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 28142 · alive · Condition: fair · LC · Least Concern · Elevation: 46.9 m

Photos

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trunk branches leaf

Dimensions

19.14 mHeight
6.63 mTrunk height
70 cmTrunk diameter (DBH)
15.18 mCanopy height
13.04 mCanopy width
40.95 mCanopy circumference
126.08 m²Crown projection area
1482.29 m³Crown volume
1Stems

Structure & risk

27.38Slenderness (H/D)
2.05Safety factor (default wind)
4.87 °Leaning angle
5.75 °Trunk lean angle
24.08Competition index
8.39 mTree protection zone
12.58 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
16.11 %Foliage transparency
0.08 %Dieback
70.4 %Crown density
75.93 %Crown light exposure ratio
79.33 %Live crown ratio
1326.34 m²Leaf area
10.52Leaf area index (LAI)
0.9Leaf area / crown vol.

Ecosystem services

1388.69 kgCarbon storage
59.98 kgCarbon sequestration / yr
158.49 kgOxygen production / yr
0.37 m³Avoided runoff
6.43 m³Water intercepted
7.56 m³Transpiration
6.39 m³Evaporation
39.42 m³Potential evapotranspiration
14.27 gCO removed / yr
56.4 gNO₂ removed / yr
121.69 gSO₂ removed / yr
35.5 gPM2.5 removed / yr
679.8 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

16966.8CAVAT value
32093.61Koch value
3278.52RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
95G u fextracted_critical wind speed
2025-06-17G u fextracted_inv date
Jalan P11 a5/1G u fextracted_street
7001G u fextracted_taxon i d
3.96Crown base height
19.14Live 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 a5/1 · 2.956653, 101.685258 · Elevation 46.9 m