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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 34311 · alive · Condition: fair · LC · Least Concern · Elevation: 50.4 m

Photos

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trunk branches leaf

Dimensions

14.37 mHeight
5.51 mTrunk height
43 cmTrunk diameter (DBH)
8.83 mCanopy height
8.14 mCanopy width
25.62 mCanopy circumference
53.12 m²Crown projection area
332.27 m³Crown volume
1Stems

Structure & risk

33.95Slenderness (H/D)
1.41Safety factor (default wind)
3.41 °Leaning angle
4.5 °Trunk lean angle
6.1Competition index
5.08 mTree protection zone
7.62 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
18.42 %Foliage transparency
0.04 %Dieback
68.23 %Crown density
93.91 %Crown light exposure ratio
61.46 %Live crown ratio
489.29 m²Leaf area
9.22Leaf area index (LAI)
1.48Leaf area / crown vol.

Ecosystem services

361.17 kgCarbon storage
46.08 kgCarbon sequestration / yr
121.77 kgOxygen production / yr
0.15 m³Avoided runoff
2.51 m³Water intercepted
2.95 m³Transpiration
2.49 m³Evaporation
15.36 m³Potential evapotranspiration
5.56 gCO removed / yr
21.98 gNO₂ removed / yr
47.41 gSO₂ removed / yr
13.83 gPM2.5 removed / yr
264.82 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

6217.71CAVAT value
18308.93Koch value
1984.69RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
80G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11d/4G u fextracted_street
7001G u fextracted_taxon i d
5.54Crown base height
14.37Live 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 P11d/4 · 2.962123, 101.672236 · Elevation 50.4 m